October 11, 2005
Methyl Rotational Tunneling Dynamics of p-xylene Confined in a Crystalline
Zeolite Host
S. Nair, R. M. Dimeo, D. A. Neumann, A. J. Horsewill, and M. Tsapatsis,
J. Chem. Phys., 121, 4810 (2004).
Xue Q., Horsewill A.J., Johnson M.R., Trommsdorff H.P. - Isotope effects associated
with tunneling and double proton transfer in the hydrogen bonds of benzoic acid
Journal of Chemical Physics Vol. 120 pp. 11107-11119, 2004
Noeldeke C., Asmussen B., Press W., Buettner H., Kearley G. - Small rotational
barriers for H2O flips in phase III of [Me(H2O)6](ClO4)2 with Me=Mg, Ni, and
Zn
Chemical Physics Vol. 289 pp. 275-280, 2003
Visualization and measurements of quantum rotational dynamics
R. M. Dimeo,
Am. J. Phys., 71, 885-893 (2003).
The effects of confinement on rotational tunneling
R. M. Dimeo and D. A. Neumann,
App. Phys. A, 74 S, S1382 (2002)
Pore Size Dependence of Rotational Tunneling in Confined Methyl Iodide
R. M. Dimeo, D. A. Neumann, Y. Glanville, and D. B. Minor,
Phys. Rev. B, 66, 104201 (2002).
Prager M., Press W., Asmussen B., Combet J. - Phase III of methane: Crystal
structure and rotational tunneling
Applied Physics A Vol. 74 pp. S1360-S1362, 2002
Moreno A.J., Alegria A., Colmenero J., Frick B. - The rotational barrier for
methyl group dynamics in anhydrous sodium acetate
Applied Physics A Vol. 74 pp. S1351-S1353, 2002
Conf :International Conference on Neutron ScatteringMunich, Germany, 2001-09-09
/ 13
Moreno A.J., Alegria A., Colmenero J., Frick B. - Methyl-group dynamics from
tunneling to hopping in NaCH3CO2.3H2O: Comparison between a crystal and its
glassy counterpart
Physical Review B Vol. 65 pp. 134202-1-134202-10, 2002
Prager M., Combet J., Parker S.F., Desmedt A., Lechner R.E. - The
methyl rotational potentials of Ga(CH3)3 derived by neutron spectroscopy
Journal of Physics Condensed Matter Vol. 14 pp. 10145-10157,
2002
Moreno A.J., Alegria A., Colmenero J., Frick B. - Methyl group dynamics
in poly(methyl methacrylate): From quantum tunneling to classical hopping
Macromolecules Vol. 34 pp. 4886-4896, 2001
Low Temperature Dynamics of Confined Methyl Iodide
R. M. Dimeo and D. A. Neumann,
Phys. Rev. B, 63, 014301 (2001).
Meinnel J., Mani M., Cousson A., Boudjada F., Paulus W., Johnson
M. - Structure of trihalogenomesitylenes and tunneling of the methyl
groups protons: II. Protonated tribromomesitylene
Chemical Physics Vol. 261 pp. 165-187, 2000
Moreno A.J., Alegria A., Colmenero J., Frick B. - Methyl group rotational
tunnelling in glasses: A direct comparison with the crystal
Physica B Vol. 276-278 pp. 361-362, 2000
Conf :Proceedings of the Second European Conference on Neutron Scattering
ECNS'99Budapest, Hungary, 1999-09-01 / 04
Johnson M.R. - De l'effet tunnel des protons a la modelisation de
la surface d'energie potentielle - Universite Joseph Fourier, Grenoble
1 / Institut Laue-langevin, Grenoble, France1999-01
Prager M., Schiebel P., Johnson M., Grimm H., Hagdorn H., Ihringer
J., Prandl W., Lalowicz Z. - The isotope effect and phase transitions
in ammonium hexachloropalladate studied by neutron tunnelling spectroscopy
Journal of Physics Condensed Matter Vol. 11 pp. 5483-5495,
1999
Johnson M.R., Prager M., Grimm H., Neumann M.A., Kearley G.J., Wilson C.C.
- Methyl group dynamics in paracetamol and acetanilide: probing the static
properties of intermolecular hydrogen bonds formed by peptide groups
Chemical Physics Vol. 244 pp. 49-66, 1999
Moreno A.J., Alegria A., Colmenero J., Frick B. - Isotope effect on the
rotational tunneling transitions of methyl groups in glassy polymers
Physical Review B Vol. 59 pp. 5983-5986, 1999
P Schiebel, G Amoretti, C Ferrero, B Paci, M Prager, R Caciuffo,
Coherent internal and centre of mass quantum rotation of methyl groups in
the p-tert-butyl-calix[4]arene(2:1)p-xylene supramolecular complex
J Phys:Condens Matter 10 2221 (1998)
Neumann M.A., Johnson M.R., Aibout A., Horsewill A.J. - Measured
and calculated rotational tunnelling dynamics in methyl acetate
Chemical Physics Vol. 229 pp. 245-256, 1998
Nicolai B. - Dynamique rotationnelle de groupements méthyles
et structure cristalline à basse température : étude
par diffusion des neutrons et modélisation - Institut Laue-Langevin,
Grenoble, France1998
Neumann M., Brougham D.F., Mcgloin C.J., Johnson M.R., Horsewill A.J.,
Trommsdorff H.P. - Proton tunneling in benzoic acid crystals at intermediate
temperatures: nuclear magnetic resonance and neutron scattering studies
Journal of Chemical Physics Vol. 109 pp. 7300-7311, 1998
Neumann M.A., Craciun S., Corval A., Johnson M.R., Horsewill A.J., Benderskii
V.A., Trommsdorff H.P. - Hydrogen bond dynamics in benzoic acid crystals
Journal of Luminescence Vol. 76-77 pp. 56-59, 1998
Neumann M.A., Craciun S., Corval A., Johnson M.R., Horsewill A.J., Benderskii
V.A., Trommsdorff H.P. - Proton dynamics and the tautomerization potential in
benzoic acid crystals
Berichte der Bunsengesellschaft fuer Physikalische Chemie Vol. 102 pp.
325-334, 1998
Conf :Discussion meeting on hydrogen transfer : Experiment and theoryBerlin,
Germany, 1997-09-10 / 13
Nicolai B., Kaiser E., Fillaux F., Kearley G.J., Cousson A., Paulus
W. - Inelastic neutron scattering study of methyl tunnelling in an oriented
single-crystal of 2,6-dimethylpyrazine at low temperature and rotational-potential
calculations
Chemical Physics Vol. 226 pp. 1-13, 1998
Colmenero J., Mukhopadhyay R., Alegria A., Frick B. - Quantum rotational
tunneling of methyl groups in polymers
Physical Review Letters Vol. 80 pp. 2350-2353, 1998
Horsewill A.J., Brougham D.F., Jenkinson R.I., Mcgloin C.J., Trommsdorff H.P.,
Johnson M.R. - The quantum dynamics of proton transfer in the hydrogen bond
Berichte der Bunsengesellschaft fuer Physikalische Chemie Vol. 102 pp.
317-324, 1998
Conf :Discussion Meeting on Hydrogen Transfer: Experiment and TheoryBerlin,
Germany, 1997-09-10 / 13
Horsewill T., Johnson M.R., Trommsdorff H.P. - Proton tunnelling in intermolecular
hydrogen bonds
Europhysics News Vol. 28 pp. 140-142, 1997
Johnson M.R., Neumann M.A., Nicolai B., Smith P., Kearley G.J. - The origin
and temperature dependence of the single particle, methyl-group rotational
potential in acetic acid
Chemical Physics Vol. 215 pp. 343-353, 1997
Neumann M.A., Johnson M.R., Trommsdorff H.P. - Rotational tunneling
of methyl groups: probes of intermolecular potentials
Journal of Luminescence Vol. 72-74 pp. 459-461,
1997
Buettner H.G., Kearley G.J., Frick B. - Tunnelling of the one-dimensionnal
rotor NH3D+ in the NH4ClO4 and NH4PF6 lattices
Chemical Physics Vol. 214 pp. 425-429, 1997
Prager M., Heidemann A. - Rotational tunneling and neutron spectroscopy:
A compilation
Chemical Reviews Vol. 97 pp. 2933-2966, 1997
Nicolai B., Kearley G.J., Randl O.G., Fillaux F., Trommsdorff H.P.
- Intramolecular rotational coupling of inequivalent CH3 groups
Physica B Vol. 234-236 pp. 76-78, 1997
Conf :1. European Conference on Neutron Scattering ECNS'96Interlaken,
Switzerland, 1996-10-08 / 11
R Mukhopadhyay, J Tomkinson, C J Carlile,
Nuclear spin-conversion in mixed ammonium-alkali metal halide systems: time
resolved inelastic neutron scattering study
Physica B 226 171 (1996)
R Mukhopadhyay,
Quantum tunneling in molecular solids: inelastic neutron scattering study
Ind J Pure & Appl Phys 34 727 (1996)
B Asmussen, M Prager, M Muller, D Balszmat, W Press, C J Carlile,
Rotational excitations of a symmetric top in cubic orientational potentials
II:CH3D matrix-isolated in argon
J Chem Phys 105 1764 (1996)
J Z Larese, B Asmussen, M A Adams, C J Carlile, D Martin, M Ferrand,
Rotational tunnelling studies of methane films adsorbed on MgO: crossover
from two to three dimensions?
Physica B 226 221 (1996)
J Meinnel, C J Carlile, K S Knight, J Godard,
Assignment of tunnelling lines by single crystal neutron spectroscopy
Physica B 226 238 (1996)
B Asmussen, M Muller, D Balszunat, W Press, M Prager, C J Carlile,
Rotational excitations of the symmetric top molecule CHD3 in rare gas crystals
Physica B 226 224 (1996)
J Tomkinson,
Tunnelling spectroscopy with neutrons: quantised rotational states in solids
in Low temperature molecular spectroscopy, Ed R Fausto (Kluwer Academic)
p421 (1996)
R Mukhopadhyay, J Tomkinson, C J Carlile,
Spin-conversion in the mixed ammonium-potassium halide system
J Chem Soc, Faraday Trans 92 4367 (1996)
R Mukhopadhyay, S L Narasimhan,
Rotational excitations of NH4+ ions in metal alkali halide lattices - strain
field mediated?
Solid State Commun 94 461 (1995)
R Mukhopadhyay, J Tomkinson, C J Carlile,
Nuclear spin conversion in NH4/alkali halide systems
Sol State Phys (India) 38C 234 (1995)
R Mukhopadhyay, B A Dasannacharya, J Tomkinson, C J Carlile, J Gilchrist,
Rotational excitations in Ammonium Rubidium halide mixtures by inelastic
neutron scattering
J Chem Soc, Faraday Trans 49 1149 (1994)
Johnson M.R., Frick B., Trommsdorff H.P. - A high resolution, inelastic
neutron scattering investigation of tunnelling methyl groups in aspirin
Chemical Physics Letters Vol. 258 pp. 187-193,
1996
Fillaux F., Carlile C.J., Cook J.C., Heidemann A., Kearley G.J.,
Ikeda S., Inaba A. - Relaxation kinetics of the sine-Gordon breather
mode in 4-methyl-pyridine crystal at low temperature
Physica B Vol. 213-214 pp. 646-648, 1995
Conf :Yamada Conference XXXXI, the International Conference
on Neutron Scattering - ICNS'94Sendai, JPN, 1994-10-11 / 14
J Meinnel, M Mani, M Nusimovici, C J Carlile, B Hennion, R Carrie, B Wyncke,
M Sanquer, F Tonnard,
Methyl tunnelling in pure or matrix trapped halogeomesitylenes
Physica B 202 293 (1994)
Fillaux F., Carlile C.J., Kearley G.J., Prager M. - Inelastic neutron-scattering
study of methyl tunnelling and the quantum sine-Gordon breather mode
in isotopic mixtures of 2,6-dimethyl-pyridine at low temperature
Physica B Vol. 202 pp. 302-310, 1994
Frick B., Fetters L.J. - Methyl group dynamics in glassy polyisoprene:
a neutron backscattering investigation
Macromolecules Vol. 27 pp. 974-980, 1994
Prager M., Zachwieja U., Carlile C.J. - Tunnelling of coupled methyl
groups in Sn2(CH3)6
Physica B Vol. 202 pp. 360-363, 1994
M Prager, U Zachwieja, C j Carlile,
Tunnelling of strongly coupled methyl groups in Sn2(CH3)6
EPS CMD Annual Symposium Regensburg 1993
R Caciuffo, G Amoretti, F Fillaux, O Francescangeli, S Melone, M Prager,
F Ugozzoli,
A new class of compounds suited to study the torsional dynamics in the quantum
regime: the calixarenes
Chem Phys Lett 201 (1993) 427
F Fillaux, C J Carlile, G J Kearley,
Inelastic Neutron Scattering Study of the Quantum sine-Gordon Breather in
4-Methyl-Pyridine
Future directios of nonlinear dynamics in physical and biological systems,
NATO ASI SERIES, sous presse (1993)
J Meinnel, M Mani, F Tonnard, M Nusimovici, M Sanquer,
Potential decele par les methyles du tribromo-mesitylene
C R A S Paris 317 II 885 (1993)
Johnson M.R., Aibout A., Horsewill A.J., Williams J. - The pressure dependence
of methyl tunnelling in acetylacetone.
Journal of Physics Condensed Matter Vol. 5 pp. 7375-7386, 1993
R Mukhopadhyay, J Tomkinson, C J Carlile,
Rotational excitations in mixed ammonium potassium halides: a neutron scattering
study
Europhys Letts 17 201-206 (1992)
A Aibout, C J Carlile, A J Horsewill,
The Pressure Dependence of Tunnelling of Coupled Pairs of Methyl Groups in
Lithium Acetate Dihydrate
Meinnel J., Hauesler W., Mani M., Tazi M., Nusimovici M., Sanquer M.,
Wyncke B., Heidemann A., Carlile C.J., Tomkinson J., Hennion B. - Methyl
tunnelling in trihalogeno-trimethyl-benzenes.
Physica B Vol. 180-181 pp. 711-713, 1992
Prager M., Zhang D., Weiss A. - Molecular distortion, intermolecular
interaction and rotational tunnelling in mixed tetramethyllead tetremethyltin.
Physica B Vol. 180-181 pp. 671-673, 1992
C J Carlile, I M Jamie, J W White, M Prager, W Stead,
Rotational tunnelling of ammonia in two dimensional metal-ammonia solutions
J Chem Soc, Faraday Trans 87 73 (1991)
M Prager, B Asmussen, W Press, H Blank, C J Carlile,
Rotational spectra and the phase diagram of CH4/Ar mixtures
J Chem Phys 95 569 (1991)
F Fillaux, C J Carlile,
An inelastic neutron scattering study of methyl tunnelling and the quantum
Sine Gordon breather in isotopic mixtures of 4 methyl pyridine at low temperatures
Phys Rev B42 5590 (1990)
M Prager, W Langel, C J Carlile,
The rotational potential of NH3 in rare gases: A neutron scattering study
Chemical Physics Letters 173 524-530 (1990)
Ball P.C., Inaba A., Morrison J.A., Smalley M.V., Thomas R.K. - The librational
ground state of monodeuteromethane adsorbed on the surface of graphite.
Journal of Chemical Physics Vol. 92 pp. 1372-1385, 1990
Smalley M.V., Ball P.C. - The group theory of trigonal and tetrahedral
molecule rotations in trigonal and tetrahedral crystal fields
Molecular Physics Vol. 71 pp. 1233-1249, 1990
Wuerger A., Heidemann A. - Rotational tunnelling in (CH3)2SnCl2: a neutron
scattering study.
Zeitschrift fuer Physik B Vol. 80 pp. 113-118, 1990
C J Carlile, S Clough, A J Horsewill, A Smith,
Observation of a dynamic coupling of methyl groups in 4-methylpyridine
Chem Phys 134 (1989) 437-440
Cavagnat D., Trevino S.F., Magerl A. - Effect of isotopic dilution in
the methyl tunnelling spectra of molecular crystals
Journal of Physics Condensed Matter Vol. 1 pp. 10047-10051, 1989
Damay P., Leclercq F., Dianoux A.J., Press W. - The effect of orientational
and composition disorder on the low temperature/low energy rotational excitations
of the NH3 groups in calciumhexaamine Ca(NH3)6
Springer Proceedings in Physics Vol. 37 pp. 266-270, 1989
Conf :ILL Workshop on Dynamics of Disordered MaterialsGrenoble, France,
1988-09-26 / 28
Cvikl B., Schreiner L.Y., Pintar M.M., Peternel J.J., Heidemann A. -
Inelastic neutron scattering study of NH4 ground state tunneling splitting
in solid NH4SnCl3.
Fizika Vol. 21 pp. SUPPLEMENT 1, 135-138, 1989
Heidemann A., Friedrich H., Guenther E., Haeusler W. - Tunneling of coupled
methyl groups in lithium acetate: the isotope effect
Zeitschrift fuer Physik B Vol. 76 pp. 335-344, 1989
Heidemann A., Prager M., Monkenbusch M. - Methyl rotation in acetamide:
The transition from quantum mechanical tunneling to classical reorientation
studied by inelastic neutron scattering.
Zeitschrift fuer Physik B Vol. 76 pp. 77-88, 1989
Horsewill A.J., Green R.M., Alsanoosi A.M. - Methyl tunnelling in tiglic
acid and 2-methyl-2-butene.
Chemical Physics Vol. 138 pp. 179-185, 1989
Prager M., Vettier C., Mahling-Ennaoui S. - The temperature dependence
of the methyl rotational potential in methyl iodide under pressure
Zeitschrift fuer Physik B Vol. 75 pp. 217-221, 1989
F Fillaux, C J Carlile,
Collective rotation of methyl groups in isotopic mixtures of 4-methyl pyridine
at low temperature
Chemical Physics Letters (1989) 162 188
Kearley G.J., Blank H. - Rotational tunneling of the NH4+ ion in phase
II of (NH4)2PtBr6 by inelastic neutron scattering spectroscopy.
Journal of Chemical Physics Vol. 89 pp. 1199-1201, 1988 pp. 1199-1201
S Clough, K Abed, C J Carlile,
The symmetry of the methyl hindering potential and the temperature independence
of the tunnel frequency in 4-methylpyridine
Chem Phys Lett 20 L869-L874 (1987)
K J Abed, S Clough, C J Carlile, B Rosi, R C Ward,
The symmetry of the methyl hindering potential and the temperature independence
of the tunnel frequency in 4-methyl pyridine
Chem Phys Lett 141 215 (1987
A J Horsewill, A M Alsanoosi, C J Carlile,
Methyl tunnelling in acetylacetone
J Phys C 20 L869 (1987)
Cavagnat D., Magerl A., Vettier C., Clough S. - Inelastic neutron scattering study
of methyl tunnelling in alpha-crystallised toluene
In : HEIDEMANN A., MAGERL A., PRAGER M., RICHTER D., SPRINGER T.Quantum
aspects of molecular motions in solids Springer Verlag, 1987
Conf :ILL-IFF WorkshopGrenoble, France, 1986-09-24 / 26
Prager M., Stanislawski J., Haeusler W. - Inelastic incoherent neutron
scattering study of the methyl rotation in various methyl halides
Journal of Chemical Physics Vol. 86 pp. 2563-2575, 1987
Ramsay J.D.F., Poinsignon C. - Neutron scattering investigations of porous
silicas and water silica interfaces
Langmuir Vol. 3 pp. 320-326, 1987
Zhang D., Walz L., Prager M., Weiss A. - Rotational tunnelling of methyl
groups in bis(trimethyltin) sulfate dihydrate
Berichte der Bunsengesellschaft fuer Physikalische Chemie Vol. 91 pp.
1283-1287, 1987
Heidemann A., Abed K.J., Barker C.J., Clough S. - Proton spin conversion
of coupled methyl groups in lithium acetate studied by inelastic neutron
scattering
Zeitschrift fuer Physik B Vol. 66 pp. 355-358, 1987
Cavagnat D., Magerl A., Vettier C., Clough S. - Methyl tunnelling in
alpha-crystallised toluene by inelastic neutron scattering: temperature
and pressure effects
Journal of Physics C Vol. 19 pp. 6665-6672, 1986
Green R.M., Horsewill A.J. - A study of methyl group dynamics and barrier
heights in a homologous series of unbranched ketones
Molecular Physics Vol. 57 pp. 887-899, 1986
Prager M., Heidemann A., Haeusler W. - Coupled pairs of quantum rotors
in (CH3)2SnCl2: an inelastic neutron scattering study
Zeitschrift fuer Physik B Vol. 64 pp. 447-452, 1986
Cavagnat D., Magerl A., Vettier C., Anderson I.S., Trevino S.F. - Anomalous
pressure dependence of the torsional levels in solid nitromethane
Physical Review Letters Vol. 54 pp. 193-196, 1985
Heidemann A., Anderson I.S., Prager M., Press W. - Experimental investigation
of inelastic neutron scattering structure factors of three dimensional rotators
Zeitschrift fuer Physik B Vol. 51 pp. 319-326, 1983
Heidemann A., Anderson I.S., Jeffryes B., Alefeld B. - Structure factors
for neutron scattering on tunnelling methyl groups in nitromethane
Zeitschrift fuer Physik B Vol. 49 pp. 123-128, 1982
Kearley G.J., Cockcroft J.K., Fitch A.N., Fender B.E.F. - The inelastic
neutron scattering spectrum of rotational tunnelling in phase III of NH4PF6
Chemical CPrager M., Press W., Heidemann A. - Rotational tunneling in
phase III of CD4
Journal of Chemical Physics Vol. 75 pp. 1442-1450, 1981
Clough S., Heidemann A., Paley M.N.J. - Neutron scattering transitions
between spin symmetry species of methyl groups
Journal of Physics C Vol. 13 pp. 4009-4015, 1980
Prager M., Langel W. - Intermolecular interaction in Sn(CH3)4: An inelastic neutron
scattering study of matrix isolated molecules
Journal of Chemical Physics Vol. 85 pp. 5279-5285, 1986
Heidemann A., Clough S., Mcdonald P.J., Horsewill A.J., Neumaier K. -
Tunneling motions of methyl groups in manganese acetate tetrahydrate
Zeitschrift fuer Physik B Vol. 58 pp. 141-148, 1985
Clough S., Heidemann A., Lichtenbelt J.H., Paley M.N.J., Silbey R., Trommsdorff
H.P., Wiersma D.A. - Tunneling of methyl groups in toluquinone: dependence
on the electronic state of the molecule
Journal of Chemical Physics Vol. 81 pp. 2879-2883, 1984
Alefeld B., Anderson I.S., Heidemann A., Magerl A., Trevino S.F. - The
measurement of tunnel states in solid CH3NO2 and CD3NO2
Journal of Chemical Physics Vol. 76 pp. 2758-2759, 1982
Cockbain J.R., Lechner R.E., Owen M.C., Thomas R.K., White J.W. - Methyl
group rotation in 2,4-hexadiyne. II. The transition from classical to quantum
dynamics
Molecular Physics Vol. 45 pp. 1035-1051, 1982
Clough S., Heidemann A., Paley M.N.J. - The temperature dependence of
methyl tunnelling motion in three acetates
Journal of Physics C Vol. 14 pp. 1001-1008, 1981
Clough S., Horsewill A.J., Heidemann A. - Neutron scattering study of methyl tunnelling
in pentamethylbenzene
Chemical Physics Letters Vol. 82 pp. 264-266, 1981
Press W., Prager M., Heidemann A. - Rotational tunneling in methane (CD4):
Isotope effect
Journal of Chemical Physics Vol. 72 pp. 5924-5926, 1980
Clough S., Heidemann A. - A study of the temperature dependence of a
methyl tunnelling spectrum by inelastic neutron scattering
Journal of Physics C Vol. 12 pp. 761-770, 1979
Clough S., Heidemann A., Paley M., Vettier C. - The pressure dependence of methyl
tunnelling motion
Journal of Physics C Vol. 12 pp. L781-L783, 1979