Acta Crystallographica Section B

Structural Science

Volume 50, Part 4 (August 1994)

Cover illustration: Difference electron-density distributions for the prismane derivative clearly reveal `bent bonds' in the three- and four-membered rings, see Irngartinger & Oeser, pages 459-464.

• research papers
• short communications
• research papers
• book reviews
• books received

research papers

Acta Cryst. (1994). B50, 405-414    [doi:10.1107/S0108768193012820]

A neutron powder investigation of the high-temperature structure and phase transition in LiNbO₃

H. Boysen and F. Altorfer

Acta Cryst. (1994). B50, 414-425    [doi:10.1107/S0108768193013552]

Method of crystal-structure similarity searching

A. V. Dzyabchenko

Acta Cryst. (1994). B50, 425-431    [doi:10.1107/S0108768193014569]

The optical activity and absolute optical chirality of NaNH₄SO₄.2H₂O

S. Arzt and A. M. Glazer

Acta Cryst. (1994). B50, 431-435    [doi:10.1107/S0108768193013539]

Structure of the Hofmann clathrates Ni(NH₃)₂Ni(CN)₄.2C₆D₆ and Zn(NH₃)₂Ni(CN)₄.2C₆H₆

H. G. Büttner, G. J. Kearley, C. J. Howard and F. Fillaux

Acta Cryst. (1994). B50, 435-441    [doi:10.1107/S0108768194002284]

Synchrotron X-ray study of the electron density in -Fe₂O₃

E. N. Maslen, V. A. Streltsov, N. R. Streltsova and N. Ishizawa

Acta Cryst. (1994). B50, 441-447    [doi:10.1107/S0108768193014442]

Structure determination with Laue diffraction data - including refinement when anomalous scatterers are present

I. M. Dodd, Q. Hao, M. M. Harding and S. M. Prince

Acta Cryst. (1994). B50, 448-455    [doi:10.1107/S0108768193011887]

X-ray and neutron investigation of the structure and disorder in dicalcium barium acrylate

G. Hofstätter, W. Prandl, T. Brückel and W. Hiller

Acta Cryst. (1994). B50, 455-458    [doi:10.1107/S0108768193013850]

Structure of trans,trans-4,4'-di(methoxycarbonylimino)dicyclohexylmethane: a model for trans,trans-4,4'-diisocyanatodicyclohexylmethane/1,4-butanediol-based units in polyurethane hard segments

W. Milius, C. Steinlein and C. D. Eisenbach

short communications

Acta Cryst. (1994). B50, 459-464    [doi:10.1107/S0108768194000169]

Difference-density distribution of a prismane derivative

H. Irngartinger and T. Oeser

research papers

Acta Cryst. (1994). B50, 465-472    [doi:10.1107/S0108768194000479]

X-ray Rietveld structure determination of ammonium Rochelle salt at 120 (paraelectric phase) and 100 K (ferroelectric phase)

Z. Brozek, D. Mucha and K. Stadnicka

Acta Cryst. (1994). B50, 472-479    [doi:10.1107/S0108768194001655]

Structure of the stable phase of methylhydrazine - first observations of phase transitions

M. Foulon, N. Lebrun, M. Muller, A. Amazzal and M. T. Cohen-Adad

book reviews

Acta Cryst. (1994). B50, 479-480    [doi:10.1107/S0108768194004362]

Reviews in computational chemistry. Vol. 3 edited by K. B. Lipkowitz and D. B. Boyd

books received

Acta Cryst. (1994). B50, 480    [doi:10.1107/S0108768194099957]

Minerals and reactions at the atomic scale. Transmission electron microscopy edited by P. Buseck

Acta Cryst. (1994). B50, 480    [doi:10.1107/S0108768194099945]

Electron crystallography edited by D. Dorset

Acta Cryst. (1994). B50, 480    [doi:10.1107/S0108768194099933]

The structural chemistry of silicates edited by A. Wright

Acta Cryst. (1994). B50, 480    [doi:10.1107/S0108768194099921]

Linear and nonlinear optical properties of molecules by G. H. Wagnière

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