Acta Crystallographica Section C

Crystal Structure Communications

Volume 66, Part 5 (May 2010)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: Two-dimensional isostructurality among polymorphs of benzene-1,2-diamine, showing (top) the crystal packing in one polymorph, viewed down the a axis, and (bottom) the crystal packing in a second polymorph, viewed down the b axis. Hydrogen bonds are shown as dotted lines. See Czapik & Gdaniec [Acta Cryst. (2010), C66, o198-o201].

inorganic compounds


 

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Acta Cryst. (2010). C66, i45-i49  [ doi:10.1107/S0108270110010425 ]

A new modification of thallium chromate related to the [beta]-K2SO4 family

J. Fábry, M. Dusek, K. Fejfarová, R. Krupková and P. Vanek

Synopsis: The title structure is a new modification of Tl2CrO4. It is closely related to the already known modification which belongs to the [beta]-K2SO4 family, but it differs in the number of independent cations and anions: there are four independent Tl+ cations and two [CrO4]2- anions in the title structure, in contrast with the [beta]-K2SO4 family where there are two independent cations and one anion.

Formula: Tl2CrO4

Online 22 April 2010


 

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Acta Cryst. (2010). C66, i50-i54  [ doi:10.1107/S0108270110013879 ]

Al14Ba8La26.3Ru18Sr53.7O167: a variant of cubic perovskite with isolated RuO6 units

F. J. Zúñiga, F. J. García-García, M. Hoelzel and A. Reller

Synopsis: The structure of the title compound, in the space group F23, is related to a cubic perovskite, with isolated RuO6 octahedra and distorted O polyhedra around Al. The La and Sr atoms share the same sites.

Formula: Al14Ba8La26.3Ru18Sr53.7O167

Online 22 April 2010


 

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Acta Cryst. (2010). C66, i55-i57  [ doi:10.1107/S0108270110014885 ]

[Zn3(PO4)2(H2O)0.8(NH3)1.2]

J. Stojanovic, T. Đordevic and L. Karanovic

Synopsis: The monoclinic structure (C2/c) of the title compound is built up from layers of PO4 and ZnO4 vertex-sharing tetrahedra parallel to the bc plane with interlayer ZnO2(N/O)2 tetrahedra. Neighbouring layers are linked via Zn-O-P bridges. Hydrogen bonding and weaker electrostatic contacts are present between adjacent ZnO2(N/O)2 tetrahedra and between these tetrahedra and the layers parallel to the bc plane.

Formula: [Zn3(PO4)2(H2O)0.8(NH3)1.2]

Online 28 April 2010


 

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Acta Cryst. (2010). C66, i58-i60  [ doi:10.1107/S0108270110014034 ]

Monoclinic Cu2Se3Sn

L. D. Gulay, M. Daszkiewicz, T. A. Ostapyuk, O. S. Klymovych and O. F. Zmiy

Synopsis: The Cu2Se3Sn structure investigated in this paper is a superstructure of the cubic and monoclinic modifications reported earlier. The eight independent Cu atoms and four independent Sn atoms occupy, respectively, one-third and one-sixth of the tetrahedral holes in a pseudo-close-packed Se lattice. The cation positions are fully ordered.

Formula: Cu2Se3Sn

Online 28 April 2010


metal-organic compounds


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Acta Cryst. (2010). C66, m127-m129  [ doi:10.1107/S0108270110011455 ]

Poly[bis([mu]-4-benzoyl-1-isonicotinoylthiosemicarbazide-[kappa]2N:S)dichloridocadmium(II)]

Y.-B. Wang, T.-H. Pan, Q. Liang, D.-S. Liu and C.-C. Huang

Formula: [CdCl2(C14H12N4O2S)2]

Online 13 April 2010


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Acta Cryst. (2010). C66, m130-m132  [ doi:10.1107/S010827011001156X ]

A new chain structure: catena-poly[4,4'-(ethane-1,2-diyl)dipyridinium bis[[aquadifluoridooxidovanadate]-[mu]-fluorido]]

D. W. Aldous, A. M. Z. Slawin and P. Lightfoot

Formula: (C12H12N2)[V2F6O2(H2O)2]

Online 14 April 2010


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Acta Cryst. (2010). C66, m133-m136  [ doi:10.1107/S0108270110013363 ]

[[mu]-4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene]bis[(trifluoroacetato)gold(I)] and its dichloromethane 0.58-solvate

T. Tunyogi and A. Deák

Formula: [Au2(C2F3O2)2(C39H32OP2)] and [Au2(C2F3O2)2(C39H32OP2)]·0.58CH2Cl2

Online 15 April 2010


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Acta Cryst. (2010). C66, m137-m140  [ doi:10.1107/S010827011001437X ]

A new polymorph of dichloridotriphenylantimony

D. J. MacDonald, M. C. Jennings and K. E. Preuss

Formula: [Sb(C6H5)3Cl2]

Online 23 April 2010


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Acta Cryst. (2010). C66, m141-m144  [ doi:10.1107/S0108270110012394 ]

An unusual three-dimensional chiral threefold polycatenating network self-assembled from inclined two-dimensional (4,4) layer motifs

S. Wang, D. Wang, J. Dou and D. Li

Formula: [Ni(C10H6O4)(C10H8N2)(H2O)2]

Online 29 April 2010


organic compounds


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Acta Cryst. (2010). C66, o241-o244  [ doi:10.1107/S0108270110010280 ]

Hydrogen-bonded supramolecular networks of N,N'-bis(4-pyridylmethyl)oxalamide and 4,4'-{[oxalylbis(azanediyl)]dimethylene}dipyridinium dinitrate

G.-H. Lee

Formula: C14H14N4O2 and C14H16N4O22+·2NO3-

Online 13 April 2010


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Acta Cryst. (2010). C66, o245-o248  [ doi:10.1107/S0108270110012023 ]

(E)-N2-{4-[(E)-2-(4-Chlorobenzoyl)ethenyl]-3-methyl-1-phenyl-1H-pyrazol-5-yl}-N1,N1-dimethylformamidine: polarized molecules within sheets of [pi]-stacked hydrogen-bonded chains

J. Quiroga, J. Trilleras, M. B. Hursthouse, J. Cobo and C. Glidewell

Formula: C22H21ClN4O

Online 13 April 2010


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Acta Cryst. (2010). C66, o249-o251  [ doi:10.1107/S0108270110009339 ]

A novel oxazolidinone antibiotic: RWJ-416457

E. Y. Cheung, M. L. Peterson, R. Chiarella and B. M. Foxman

Formula: C18H20FN5O3

Online 13 April 2010


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Acta Cryst. (2010). C66, o252-o255  [ doi:10.1107/S0108270110012850 ]

Crystallographic characterization of the first reported crystalline form of the potent hallucinogen (R)-2-amino-1-(8-bromobenzo[1,2-b;5,4-b']difuran-4-yl)propane or `bromodragonfly': the 1:1 anhydrous proton-transfer compound with 3,5-dinitrosalicylic acid

G. Smith, M. S. Cotton, U. D. Wermuth and S. E. Boyd

Formula: C13H13BrNO2+·C7H3N2O7-

Online 15 April 2010


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Acta Cryst. (2010). C66, o256-o259  [ doi:10.1107/S0108270110013387 ]

Fully and partially fluorinated flavone derivatives

A. Hori and K. Naganuma

Formula: C15HF9O2 and C15H6F4O2

Online 21 April 2010


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Acta Cryst. (2010). C66, o260-o264  [ doi:10.1107/S0108270110014393 ]

A third polymorph of 4-(2,6-difluorophenyl)-1,2,3,5-dithiadiazolyl

E. M. Fatila, M. C. Jennings, J. Goodreid and K. E. Preuss

Formula: C7H3F2N2S2

Online 27 April 2010


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