Acta Crystallographica Section B

Structural Science

Volume 51, Part 5 (October 1995)

Cover illustration: The electrostatic potential and deformation density of the benzene ring. Courtesy of J. R. Ruble and A. Galvao.

topical reviews
research papers
short communications
book reviews
books received

topical reviews

Acta Cryst. (1995). B51, 641-649 [doi:10.1107/S0108768195003417]

Semi-empirical groundwork of the bond-valence model

V. S. Urusov

research papers

Acta Cryst. (1995). B51, 650-660 [doi:10.1107/S0108768194012851]

Computational studies of crystalline H₃PO₄

G. R. Moss, M. Souhassou, R. H. Blessing, E. Espinosa and C. Lecomte

Acta Cryst. (1995). B51, 661-668 [doi:10.1107/S0108768194014643]

Experimental electron density in crystalline H₃PO₄

M. Souhassou, E. Espinosa, C. Lecomte and R. H. Blessing

Acta Cryst. (1995). B51, 668-673 [doi:10.1107/S0108768194014047]

Crystal structure of the antiferroelectric perovskite Pb₂MgWO₆

G. Baldinozzi, Ph. Sciau, M. Pinot and D. Grebille

Acta Cryst. (1995). B51, 673-680 [doi:10.1107/S0108768194014096]

Structure of Na₃YSi₆O₁₅ - a unique silicate based on discrete Si₆O₁₅ units, and a possible fast-ion conductor

S. M. Haile, J. Maier, B. J. Wuensch and R. A. Laudise

Acta Cryst. (1995). B51, 680-687 [doi:10.1107/S0108768195005684]

Structure of Cs₃(HSO₄)₂(H₂PO₄) - a new compound with a superprotonic phase transition

S. M. Haile, K.-D. Kreuer and J. Maier

Acta Cryst. (1995). B51, 688-697 [doi:10.1107/S010876819401431X]

The structure refinement of compositely modulated Nb₂Zr_x-2O_2x+1 (x = 12)

K. Fütterer, S. Schmid, J. G. Thompson, R. L. Withers, N. Ishizawa and S. Kishimoto

Acta Cryst. (1995). B51, 698-708 [doi:10.1107/S0108768195000589]

Structures of Ta₂₂W₄O₆₇ and Ta₇₄W₆O₂₀₃.I. Refined structural models using synchrotron radiation

S. Schmid, J. G. Thompson, A. D. Rae, B. D. Butler, R. L. Withers, N. Ishizawa and S. Kishimoto

Acta Cryst. (1995). B51, 709-721 [doi:10.1107/S0108768195003740]

Structures of Ta₂₂W₄O₆₇ and Ta₇₄W₆O₂₀₃. II. A composite modulated structure approach to the (1-x)Ta₂O₅.xWO₃, 0 x 0.267, solid solution

A. D. Rae, S. Schmid, J. G. Thompson, R. L. Withers and N. Ishizawa

Acta Cryst. (1995). B51, 721-733 [doi:10.1107/S0108768194014382]

Thermal parameters for minerals of the olivine group: their implication on vibrational spectra, thermodynamic functions and transferable force fields

T. Pilati, F. Demartin and C. M. Gramaccioli

Acta Cryst. (1995). B51, 733-737 [doi:10.1107/S0108768194014631]

Single-crystal pulsed neutron diffraction of a highly hydrous beryl

G. Artioli, R. Rinaldi, C. C. Wilson and P. F. Zanazzi

Acta Cryst. (1995). B51, 737-745 [doi:10.1107/S0108768194014813]

Site preference of cations and structural variation in Y₃Fe_5-xGa_xO₁₂ (0 x 5) solid solutions with garnet structure

A. Nakatsuka, A. Yoshiasa and S. Takeno

Acta Cryst. (1995). B51, 746-753 [doi:10.1107/S0108768195000371]

A composite modulated structure refinement of Zr₉(N,O,F)₂₀

S. Schmid and R. L. Withers

Acta Cryst. (1995). B51, 753-757 [doi:10.1107/S0108768195001728]

Isosymmetric structural phase transitions: phenomenology and examples

A. G. Christy

Acta Cryst. (1995). B51, 758-767 [doi:10.1107/S0108768195004381]

Structures containing shift-lattice distributed planar faults

R. J. D. Tilley and R. P. Williams

Acta Cryst. (1995). B51, 768-779 [doi:10.1107/S0108768194013303]

The low-temperature phase transition sequence of the halide perovskite tetramethylammonium trichlorogermanate(II) and the structure of its incommensurately modulated -phase

K. Fütterer, W. Depmeier and V. Petrícek

Acta Cryst. (1995). B51, 779-789 [doi:10.1107/S0108768194014345]

Determination of the incommensurately modulated structure of (perylene)Co(mnt)₂(CH₂Cl₂)_0.5 by direct methods

E. J. W. Lam, P. T. Beurskens, J. M. M. Smits, S. van Smaalen, J. L. de Boer and H.-F. Fan

Acta Cryst. (1995). B51, 789-797 [doi:10.1107/S0108768195000401]

Anion disorder in the 115-118 K structures of the organic superconductors _L-(BEDT-TTF)₂Cu(CF₃)₄(C₂H₃Cl₃) and _L-(BEDT-TTF)₂Ag(CF₃)₄(C₂H₃Cl₃) [BEDT-TTF=3,4;3',4'-bis(ethylenedithio)-2,2',5,5'-tetrathiafulvalene]

U. Geiser, J. A. Schlueter, J. M. Williams, D. Naumann and T. Roy

Acta Cryst. (1995). B51, 798-802 [doi:10.1107/S0108768194014011]

Analysis of the diffraction pattern of a twinned crystal of (3,4;3',4'-bis(ethylenedioxo)-2,2',5,5'-tetrathiafulvalene)₂.Ag(CN)₂

R. Li, V. Petrícek, I. Cisarova and P. Coppens

Acta Cryst. (1995). B51, 803-810 [doi:10.1107/S0108768194014539]

Structural and molecular modeling study of mono(pyrrolidiniomethyl)phenylacetate antiarrhythmic agents

X. Sui and P. W. Codding

Acta Cryst. (1995). B51, 810-815 [doi:10.1107/S0108768194011778]

Tetramethylpyrazinium polyiodides

R. D. Bailey and W. T. Pennington

Acta Cryst. (1995). B51, 816-823 [doi:10.1107/S0108768194012474]

On the differences between X-ray and neutron thermal vibration parameters

R. H. Blessing

Acta Cryst. (1995). B51, 823-835 [doi:10.1107/S0108768194013054]

Molecular conformations and crystal packing properties of five 4-alkyl-N-(4-cyanophenyl)piperidines by X-ray diffraction: a surprising dependence upon alkyl chain length

B. M. Sheikh-Ali, M. Rapta, G. B. Jameson and R. G. Weiss

Acta Cryst. (1995). B51, 835-838 [doi:10.1107/S0108768194014102]

Electrostatic potentials from charge-density studies of benzamide at 123 K

J. R. Ruble and A. Galvao

Acta Cryst. (1995). B51, 838-847 [doi:10.1107/S0108768194014394]

Structure of 1,3,5-trichloro-2,4,6-trimethylbenzene at 150 and 297 K, molecular motion and reorientation

M. Tazi, J. Meinnel, M. Sanquer, M. Nusimovici, F. Tonnard and R. Carrie

Acta Cryst. (1995). B51, 847-856 [doi:10.1107/S0108768195001790]

Conformation of the two potential antipsychotic agents (-)-(S)-3-bromo-5,6-dimethoxy-N-[(1-ethyl-2-pyrrolidinyl)methyl]benzamide, FLB 457, and its 2-hydroxy analogue, FLB 463

B. Stensland, I. Csöregh and T. Högberg

Acta Cryst. (1995). B51, 856-863 [doi:10.1107/S0108768194014540]

Structure, solid-state photochemistry and reactivity in asymmetric synthesis of 3,4-bis(diphenylmethylene)-N-methylsuccinimide

F. Toda, K. Tanaka, Z. Stein and I. Goldberg

Acta Cryst. (1995). B51, 863-867 [doi:10.1107/S0108768195000541]

Structure of 5-(3,4,5-trimethoxyphenyl)-2-iodomethyltetrahydrofuran: a precursor of acetylcholinesterase inhibitors with platelet-activating factor antagonistic activity

L. Le Texier, E. Favre, J.-J. Godfroid and S. Halut-Desportes

Acta Cryst. (1995). B51, 867-873 [doi:10.1107/S0108768195000085]

Structure of (Z,Z)-N-{[2-(4-methylphenyl)-2-(4-methylphenyl)imino]ethylidene}aniline N-oxide: conjugation in systems with the nitrone moiety

P. K. Olszewski, P. Milart and K. Stadnicka

Acta Cryst. (1995). B51, 873-879 [doi:10.1107/S010876819500098X]

High-pressure X-ray diffraction study of pentaerythritol

A. Katrusiak

Acta Cryst. (1995). B51, 880-888 [doi:10.1107/S0108768194014321]

Structure at 140 K, lattice dynamics and phase transition of 4,4'-dichlorobenzophenone

F. J. Zúñiga and A. Criado

Acta Cryst. (1995). B51, 888-892 [doi:10.1107/S0108768195000899]

Crystal structures and photochemistry of triphenylphosphine oxide complexes of ethyl hydrogen 9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate

R. Jones, Z. Liu, J. R. Scheffer and J. Trotter

short communications

Acta Cryst. (1995). B51, 892 [doi:10.1107/S0108768195099812]

Experimental and theoretical determination of electronic properties in L-dopa. Erratum

S. T. Howard, M. B. Hursthouse, C. W. Lehmann and E. A. Poyner

book reviews

Acta Cryst. (1995). B51, 892-893 [doi:10.1107/S0108768194014023]

Highlights of chemistry as mirrored in Helvetica Chimica Acta edited by M. V. Kisakurek and E. Heilbronner

Acta Cryst. (1995). B51, 893-894 [doi:10.1107/S0108768195006057]

Modern crystallography. Vol. 2. Structure of crystals edited by B. K. Vainshtein, V. M. Fridkin and V. L. Indenbom

Acta Cryst. (1995). B51, 894-896 [doi:10.1107/S0108768195009931]

Structure correlation edited by J. D. Dunitz and H. B. Bürgi

books received

Acta Cryst. (1995). B51, 896 [doi:10.1107/S0108768195099241]