(IUCr) Acta Crystallographica Section B Volume 49, Part 5, October 1993

Modulated structures

The theory of modulated structures and the study of such materials constitute an active and healthy field in crystallography. To view visualizations of over 60 modulated stuctures published in Acta Crystallographica Section B, click on the structure below.

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issue contents

October 1993 issue

research papers

Determination of the two-dimensional incommensurately modulated structure of Mo₂S₃

X–N study of the electron density in (ND₄)₂Cu(SO₄)₂.6D₂O at 9 K: flexible radial functions are vital

Electron-density distribution in a crystal of potassium tetrafluoronickelate, K₂NiF₄

Hydrogen thermal motion in calcium hydroxide: Ca(OH)₂

Phase transition of zeolite NH₄-Rho to a high-temperature but low-volume form

Determination of the anharmonicity constant of GaAs by means of the Bijvoet relation of the weak (666) reflection

Structure determination of the ferroelastic triple-twinned phase of K₃Na(SeO₄)₂ at 291 K and its parent phase at 390 K

Structure of C₆₀: partial orientational order in the room-temperature modification of C₆₀

Structure of K_1.0Ti₈O₁₆ and K_0.0Ti₈O₁₆

Electron density in potassium tetrachloropalladate (K₂PdCl₄) from synchrotron radiation data

Structure and disorder in single-crystal lead zirconate, PbZrO₃

Crystalline-state reaction of cobaloxime complexes. 16. Two polymorphs of [(S)-1-cyanoethyl][(S)-phenylethylamine]cobaloxime

Crystal chemistry and physical properties of a series of N-substituted (thio)morpholinium di-7,7,8,8-tetracyano-p-quinodimethanides

Empirical intermolecular potentials for organic crystals: the `6-exp' approximation revisited

C–H⋯O packing motifs in some cyclopenta[a]phenanthrenes

Structure of a cyclophane host molecule

Studies on photochromism of a thermally stable fulgide in the crystalline state: X-ray crystallographic investigation of (E)-2-isopropylidene-3-(1-naphthylmethylene)succinic anhydride

Structural studies of `push–pull' butadienes

Crystal structure correlations in the photochemistry of dimethyl 9-chloromethyl-9,10-dihydro-9,10-ethenoanthracene-11,12-dicarboxylate

Symmetry-modified conformational mapping and classification of the medium rings from crystallographic data. I. Cycloheptane

books received

Supramolecular architecture. Synthetic control in thin films and solids. ACS Symposium Series 499 edited by T. Bein

Fullerenes, Synthesis, properties, and chemistry of large carbon clusters. ACS Symposium Series 481 edited by G. S. Hammond

Proton conductors - solids, membranes and gels - materials and devices edited by P. Colomban

Modulated structures

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