Acta Crystallographica Section A

Crystal Physics, Diffraction, Theoretical and General Crystallography

Volume 37, Part 2 (March 1981)



research papers



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Acta Cryst. (1981). A37, 145-153    [doi:10.1107/S0567739481000417]

Ferroelastic phases in Pb3(PO4)2-Pb3(AsO4)2; X-ray and optical experiments

U. Bismayer and E. Salje



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Acta Cryst. (1981). A37, 153-162    [doi:10.1107/S0567739481000429]

The effect of data truncation on the measurability of Bijvoet differences

S. Parthasarathy and M. N. Ponnuswamy



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Acta Cryst. (1981). A37, 162-169    [doi:10.1107/S0567739481000430]

Estimation of experiment time in neutron diffractometry of large structures. I. Anomalous scattering

W. Jauch and H. Dachs



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Acta Cryst. (1981). A37, 170-180    [doi:10.1107/S0567739481000442]

Models for X-ray scattering from random systems

J. Goodisman and N. Coppa



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Acta Cryst. (1981). A37, 180-183    [doi:10.1107/S0567739481000454]

A fast algorithm for determining phase values for symbols from weighted symbol relations in direct methods

P. T. Beurskens and P. A. J. Prick



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Acta Cryst. (1981). A37, 184-189    [doi:10.1107/S0567739481000466]

Determination of near-coincident cells for hexagonal crystals. Related DSC lattices

R. Bonnet, E. Cousineau and D. H. Warrington



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Acta Cryst. (1981). A37, 189-196    [doi:10.1107/S0567739481000478]

Application of cylindrical distribution functions to wide-angle X-ray scattering from oriented polymers

G. R. Mitchell and R. Lovell



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Acta Cryst. (1981). A37, 197-200    [doi:10.1107/S056773948100048X]

On the prediction of order in the [sigma] phases on the basis of a sphere-packing model

L. M. Alte da Veiga, M. M. R. R. Costa, M. J. M. de Almeida, L. R. de Andrade and A. Matos Beja



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Acta Cryst. (1981). A37, 201-210    [doi:10.1107/S0567739481000491]

Symmetrized multipole analysis of orientational distributions

M. Kara and K. Kurki-Suonio



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Acta Cryst. (1981). A37, 211-219    [doi:10.1107/S0567739481000508]

Anisotropies diamagnétiques moléculaires expérimentales des composés aromatiques condensés

G. Van den Bossche et R. Sobry



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Acta Cryst. (1981). A37, 219-226    [doi:10.1107/S056773948100051X]

Investigation and interpretation of diffuse X-ray scattering in Li3N

R. Sommer, H. Schulz and W. Kress



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Acta Cryst. (1981). A37, 227-228    [doi:10.1107/S0567739481000521]

Significance testing of a decrease in the R factor. The jacknife and Hamilton's R-factor ratio test applied to a case of a false minimum in crystallography

D. M. Thompson, M. F. Richardson and S. M. Rothstein



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Acta Cryst. (1981). A37, 229-238    [doi:10.1107/S0567739481000533]

Ca and Na positions in labradorite feldspar as derived from high-resolution electron microscopy and optical diffraction

A. Kumao, H. Hashimoto, H.-U. Nissen and H. Endoh



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Acta Cryst. (1981). A37, 238-241    [doi:10.1107/S0567739481000545]

The observation of forbidden reflections in V3Si

B. Borie



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Acta Cryst. (1981). A37, 242-249    [doi:10.1107/S0567739481000557]

Representation quadrics for crystal structures. I. Metallic elements with no variable coordinates

C. A. Sorrell



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Acta Cryst. (1981). A37, 249-251    [doi:10.1107/S0567739481000569]

On the statistics of atomic deviations from the `best' molecular plane

U. Shmueli



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Acta Cryst. (1981). A37, 251-263    [doi:10.1107/S0567739481000570]

Hydrocarbon chain disorder in C-phase potassium caprate and its associated diffuse scattering

D. M. Glover


short communications



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Acta Cryst. (1981). A37, 264-266    [doi:10.1107/S0567739481000582]

On the X-ray or neutron diffraction determination of atomic position parameters

S. L. Mair and S. W. Wilkins



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Acta Cryst. (1981). A37, 266    [doi:10.1107/S0567739481000594]

A new structural principle in anion-excess fluorite-related superlattices: erratum

D. J. M. Bevan, O. Greis and J. Strähle



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Acta Cryst. (1981). A37, 267-268    [doi:10.1107/S0567739481000600]

Anomalous dispersion calculations near to and on the long-wavelength side of an absorption edge

D. T. Cromer and D. A. Liberman


obituaries



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Acta Cryst. (1981). A37, 269    [doi:10.1107/S0567739481000612]

William Howard Barnes, 1903-1980

F. R. Ahmed, L. D. Calvert, A. W. Hanson and M. Przybylska


notes and news



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Acta Cryst. (1981). A37, 269    [doi:10.1107/S0567739481000624]

Notes And News


book reviews



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Acta Cryst. (1981). A37, 270    [doi:10.1107/S0567739481000636]

Modern X-ray analysis on single crystals by P. Luger



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Acta Cryst. (1981). A37, 270-271    [doi:10.1107/S0567739481000648]

Lattice dynamics and statics of alkali halide crystals by J. R. Hardy and A. M. Karo



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Acta Cryst. (1981). A37, 271    [doi:10.1107/S056773948100065X]

N-dimensional crystallography by R. L. E. Schwarzenberger



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Acta Cryst. (1981). A37, 272    [doi:10.1107/S0567739481000661]

Phonon scattering in condensed matter edited by H. J. Maris


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