most read articles

These are the most read articles in the last six months.

The structure of sodium thymonucleate fibres. I. The influence of water content. R. E. Franklin & R. G. Gosling (1953). Acta Cryst. 6, 673-677. 
The structure of synthetic polypeptides. I. The transform of atoms on a helix. W. Cochran, F. H. Crick & V. Vand (1952). Acta Cryst. 5, 581-586. 
The observation by electron diffraction of a `superlattice' in annealed nickel single crystal films. E. I. Alessandrini & J. F. Freedman (1963). Acta Cryst. 16, 54-57. 
The structure of sodium thymonucleate fibres. II. The cylindrically symmetrical Patterson function. R. E. Franklin & R. G. Gosling (1953). Acta Cryst. 6, 678-685. 
The scattering of electrons by atoms and crystals. I. A new theoretical approach. J. M. Cowley & A. F. Moodie (1957). Acta Cryst. 10, 609-619. 
Peter Debye, 1884-1966. P. P. Ewald (1967). Acta Cryst. 22, 947-949. 
The packing of [alpha]-helices: simple coiled-coils. F. H. C. Crick (1953). Acta Cryst. 6, 689-697. 
Complex alloy structures regarded as sphere packings. I. Definitions and basic principles. F. C. Frank & J. S. Kasper (1958). Acta Cryst. 11, 184-190. 
The structure of graphitic carbons. R. E. Franklin (1951). Acta Cryst. 4, 253-261. 
The crystal structure of zinc acetate dihydrate, Zn(CH3COO)2.2H2O. J. N. van Niekerk, F. R. L. Schoening & J. H. Talbot (1953). Acta Cryst. 6, 720-723. 
The crystal structure of ferrocene. J. D. Dunitz, L. E. Orgel & A. Rich (1956). Acta Cryst. 9, 373-375. 
The crystal structure of silk fibroin. J. O. Warwicker (1954). Acta Cryst. 7, 565-573. 
The compound Sr3Ti2O7 and its structure. S. N. Ruddlesden & P. Popper (1958). Acta Cryst. 11, 54-55. 
Line profiles of neutron powder-diffraction peaks for structure refinement. H. M. Rietveld (1967). Acta Cryst. 22, 151-152. 
Primary crystallographic data. O. Kennard, J. C. Speakman & J. D. H. Donnay (1967). Acta Cryst. 22, 445-449. 
Errata in den International Tables for X-ray Crystallography, Vol. I (1 Ausgabe). E. Schultze-Rhonhof (1966). Acta Cryst. 20, 321. 
The crystal structures of WTe2 and high-temperature MoTe2. B. E. Brown (1966). Acta Cryst. 20, 268-274. 
Crystallographic data for certain alkaloids. I. Some cinchona alkaloids; correction. P. J. F. Griffiths (1952). Acta Cryst. 5, 554. 
The crystal structure of tetragonal ZrO2. G. Teufer (1962). Acta Cryst. 15, 1187. 
Arthur Lindo Patterson, 1902-1966. R. E. Marsh & D. P. Shoemaker (1967). Acta Cryst. 22, 749-750. 
Refinement of the hydroxyapatite structure. A. S. Posner, A. Perloff & A. F. Diorio (1958). Acta Cryst. 11, 308-309. 
Angle calculations for 3- and 4-circle X-ray and neutron diffractometers. W. R. Busing & H. A. Levy (1967). Acta Cryst. 22, 457-464. 
Corrigenda: The crystal structure of barium tetrasulfide monohydrate. S. C. Abrahams (1954). Acta Cryst. 7, 866. 
The Fourier transform of a coiled-coil. F. H. C. Crick (1953). Acta Cryst. 6, 685-689. 
A general theory of X-ray diffraction in crystals. W. H. Zachariasen (1967). Acta Cryst. 23, 558-564. 
The crystal and molecular structure of phosphorus tricyanide. Erratum. K. Emerson & D. Britton (1967). Acta Cryst. 23, 506. 
p-bromobenzoic anhydride and biferrocenyl - corrigenda. J. Trotter (1965). Acta Cryst. 19, 690. 
Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types. W. H. Zachariasen (1949). Acta Cryst. 2, 388-390. 
The crystal structure of potassium trioxalatochromate (III), K3[Cr(C2O4)3]H2O. J. N. van Niekerk & F. R. L. Schoening (1952). Acta Cryst. 5, 196-202. 
Precision measurement of lattice parameters of polycrystalline specimens. Erratum in the International Tables for X-ray Crystallography. W. Parrish & A. J. C. Wilson (1961). Acta Cryst. 14, 439. 
On the structure of vaterite CaCO3. S. R. Kamhi (1963). Acta Cryst. 16, 770-772. 
International Tables for X-ray Crystallography. Errata. K. Lonsdale (1960). Acta Cryst. 13, 49. 
Trioctahedral one-layer micas. III. Crystal structure of a synthetic fluormica. Errata. H. Takeda & J. D. H. Donnay (1967). Acta Cryst. 22, 430. 
New compounds of the K2NIF4 type. S. N. Ruddlesden & P. Popper (1957). Acta Cryst. 10, 538-539. 
Erratum à l'article, phases cubiques type Th3P4 dans les sulfures, les séléniures et les tellurures L2X3 et L3X4 des terres rares,et dans leurs combinaisons ML2X4 avec les sulfures et séléniures MX de calcium, strontium et baryum. Formation et propriétés cristallines. J. Flahaut, M. Guittard, M. Patrie, M. P. Pardo, S. M. Golabi & L. Domange (1966). Acta Cryst. 21, 431. 
Corrigenda: The molecular structure of thiophthen from X-ray crystal analysis. E. G. Cox, R. J. J. H. Gillot & G. A. Jeffrey (1950). Acta Cryst. 3, 243. 
Erratum: nuclear magnetic resonance in BaCl2.2H2O. Z. M. El Saffar (1966). Acta Cryst. 21, 450. 
Errata in International Tables for X-ray Crystallography Vol. II, Mathematical Tables (1959). J. D. H. Donnay & G. Donnay (1966). Acta Cryst. 21, 431. 
The crystal structure of [gamma]-Cd(OH)2. Corrigenda. P. M. de Wolff (1967). Acta Cryst. 22, 441. 
The stereochemistry of deoxyribonucleic acid. II. Hydrogen-bonded pairs of bases. M. Spencer (1959). Acta Cryst. 12, 66-71. 
Erratum in den International Tables for X-ray Crystallography, Vol. I. E. Schultze-Rhonhof (1966). Acta Cryst. 21, 431. 
Rotatory power and other optical properties of certain liquid crystals. Hl. de Vries (1951). Acta Cryst. 4, 219-226. 
Physical Properties of Crystals by F. Nye. (Book received). Book-review editor (1957). Acta Cryst. 10, 391. 
Antiferromagnetism in LiFePO4. R. P. Santoro & R. E. Newnham (1967). Acta Cryst. 22, 344-347. 
Journal of crystal growth. (Book received). Book-review editor (1967). Acta Cryst. 23, 338. 
The crystal structure of baddeleyite (monoclinic ZrO2) and its relation to the polymorphism of ZrO2. D. K. Smith & W. Newkirk (1965). Acta Cryst. 18, 983-991. 
The structure of metallic dodecarborides. V. I. Matkovich, J. Economy, R. F. Giese Jnr & R. Barrett (1965). Acta Cryst. 19, 1056-1058. 
Crystal structure and antiferromagnetism of CrSb. B. T. M. Willis (1953). Acta Cryst. 6, 425-426. 
The crystal structure of samarium. A. H. Daane, R. E. Rundle, H. G. Smith & F. H. Spedding (1954). Acta Cryst. 7, 532-535. 
The crystal structure of Bi and of solid solutions of Pb, Sn, Sb and Te in Bi. P. Cucka & C. S. Barrett (1962). Acta Cryst. 15, 865-872. 
Crystal chemical studies of the 5f-series of elements. I. New structure types. W. H. Zachariasen (1948). Acta Cryst. 1, 265-268. 
The structures of the pyrimidines and purines. VII. The crystal structure of caffeine. D. J. Sutor (1958). Acta Cryst. 11, 453-458. 
Ternary semiconducting compounds with sodium chloride-like structure: AgSbSe2, AgSbTe2, AgBiS2, AgBiSe2. S. Geller & J. H. Wernick (1959). Acta Cryst. 12, 46-54. 
The crystal structures of new forms of silicon and germanium. J. S. Kasper & S. M. Richards (1964). Acta Cryst. 17, 752-755. 
Some mixed metal oxides of perovskite structure. A. J. Smith & A. J. E. Welch (1960). Acta Cryst. 13, 653-656. 
The crystal structures and lattice parameters of high-purity scandium, yttrium and the rare earth metals. F. H. Spedding, A. H. Daane & K. W. Herrmann (1956). Acta Cryst. 9, 559-563. 
Crystal chemical studies of the 5f-series of elements. VI. The Ce2S3-Ce3S4 type of structure. W. H. Zachariasen (1949). Acta Cryst. 2, 57-60. 
The crystal structure of baddeleyite (monoclinic ZrO2). J. D. McCullough & K. N. Trueblood (1959). Acta Cryst. 12, 507-511. 
The crystal structure of sucrose. C. A. Beevers, T. R. R. McDonald, J. H. Robertson & F. Stern (1952). Acta Cryst. 5, 689-690. 
Complex alloy structures regarded as sphere packings. II. Analysis and classification of representative structures. F. C. Frank & J. S. Kasper (1959). Acta Cryst. 12, 483-499. 
Significance tests on the crystallographic R factor. W. C. Hamilton (1965). Acta Cryst. 18, 502-510. 
Refinement of the crystal structure of In2O3 at two wavelengths. M. Marezio (1966). Acta Cryst. 20, 723-728. 
The crystal structure of Na2Ti3O7. S. Andersson & A. D. Wadsley (1961). Acta Cryst. 14, 1245-1249. 
The crystal structure of MoTe2. D. Puotinen & R. E. Newnham (1961). Acta Cryst. 14, 691-692. 
The crystal and molecular structure of pyrene. A. Camerman & J. Trotter (1965). Acta Cryst. 18, 636-643. 
The crystal structure of hexagonal barium titanate. R. D. Burbank & H. T. Evans (1948). Acta Cryst. 1, 330-336. 
Origin of ferroelectricity in barium titanate and other perovskite-type crystals. H. D. Megaw (1952). Acta Cryst. 5, 739-749. 
X-ray study of the alkali metals at low temperatures. C. S. Barrett (1956). Acta Cryst. 9, 671-677. 
On the structures of some compounds of the perovskite type. H. L. Yakel (1955). Acta Cryst. 8, 394-398. 
On the relations between structure and morphology of crystals. I. P. Hartman & W. G. Perdok (1955). Acta Cryst. 8, 49-52. 
The crystal structure of antimony selenide, Sb2Se3. N. W. Tideswell, F. H. Kruse & J. D. McCullough (1957). Acta Cryst. 10, 99-102. 
The crystal structure of MoSe2. P. B. James & M. T. Lavik (1963). Acta Cryst. 16, 1183. 
The detection of sub-units within the crystallographic asymmetric unit. M. G. Rossmann & D. M. Blow (1962). Acta Cryst. 15, 24-31. 
The elastic tensor of given symmetry nearest to an anisotropic elastic tensor. D. C. Gazis, I. Tadjbakhsh & R. A. Toupin (1963). Acta Cryst. 16, 917-922. 
The crystal structure of the high temperature form of niobium pentoxide. B. M. Gatehouse & A. D. Wadsley (1964). Acta Cryst. 17, 1545-1554. 
The structure of bultfonteinite, Ca4Si2O10F2H6. E. J. McIver (1963). Acta Cryst. 16, 551-558. 
The crystal structure of terephthalic acid. M. Bailey & C. J. Brown (1967). Acta Cryst. 22, 387-391. 
Paul Niggli, 1988-1953. P. P. Ewald (1953). Acta Cryst. 6, 225-226. 
Precise lattice constants of germanium, aluminum, gallium arsenide, uranium, sulphur, quartz and sapphire. A. S. Cooper (1962). Acta Cryst. 15, 578-582. 
Refinement of the crystal structure of black phosphorus. A. Brown & S. Rundqvist (1965). Acta Cryst. 19, 684-685. 
The iron-nitrogen system: the crystal structures of [epsilon]-phase iron nitrides. K. H. Jack (1952). Acta Cryst. 5, 404-411. 
Max von Laue, 1879-1960. P. P. Ewald (1960). Acta Cryst. 13, 513-515. 
On Miller-Bravais indices and four-dimensional vectors. F. C. Frank (1965). Acta Cryst. 18, 862-866. 
Dynamical Theory of Crystal Lattices by M. Born and K. Huang. (Book received). Book-review editor (1955). Acta Cryst. 8, 444. 
An X-ray study of boron nitride. R. S. Pease (1952). Acta Cryst. 5, 356-361. 
The crystal structure of the metallic phase Mg32(Al, Zn)49. G. Bergman, J. L. T. Waugh & L. Pauling (1957). Acta Cryst. 10, 254-259. 
Charles Mauguin, 1878-1958. J. Wyart (1958). Acta Cryst. 11, 513-514. 
The crystal structure of quartz-like GeO2. G. S. Smith & P. B. Isaacs (1964). Acta Cryst. 17, 842-846. 
Accuracy of an automatic diffractometer. Measurement of the sodium chloride structure factors. S. C. Abrahams & J. L. Bernstein (1965). Acta Cryst. 18, 926-932. 
Separation of particle size and lattice strain in integral breadth measurements. N. C. Halder & C. N. J. Wagner (1966). Acta Cryst. 20, 312-313. 
The structure of dimethyl oxalate. M. W. Dougill & G. A. Jeffrey (1953). Acta Cryst. 6, 831-837. 
The structure of muscovite, KAl2(Si3Al)O10(OH)2. E. W. Radoslovich (1960). Acta Cryst. 13, 919-932. 
The molecular and crystal structure of uric acid. H. Ringertz (1966). Acta Cryst. 20, 397-403. 
The structure of the 9(18)-heteropoly anion in potassium 9(18)-tungstophosphate, K6(P2W18O62).14H2O. B. Dawson (1953). Acta Cryst. 6, 113-126. 
The crystal structure of I2Cl6(ICl3). K. H. Boswijk & E. H. Wiebenga (1954). Acta Cryst. 7, 417-423. 
What is a crystallographer?. R. Pepinsky (1954). Acta Cryst. 7, 520-521. 
The crystal structure of 2,2'-bipyridine. L. L. Merritt & E. Schroeder (1956). Acta Cryst. 9, 801-804. 
The crystal and molecular structure of 4,4'-dichlorodiphenyl sulphone. J. G. Sime & S. C. Abrahams (1960). Acta Cryst. 13, 1-9. 
The crystal structure of [gamma]-glycine. Y. Iitaka (1961). Acta Cryst. 14, 1-10. 
The crystal structure of sodium bicarbonate. R. L. Sass & R. F. Scheuerman (1962). Acta Cryst. 15, 77-81. 
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