Acta Crystallographica Section C

Crystal Structure Communications

Volume 65, Part 3 (March 2009)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: Hydrogen-bonding in the discrete cyclic centrosymmetric bis(cation-anion) `heterotetramer' structural units in 2-aminopyrimidinium 2-carboxy-4,5-dichlorobenzoate, shown as dashed lines. Non-interacting H atoms have been omitted. See Smith, Wermuth & White [Acta Cryst. (2009), C65, o103-o107].

inorganic compounds


 

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Acta Cryst. (2009). C65, i7-i8  [ doi:10.1107/S0108270109000766 ]

Sc2MgGa2 and Y2MgGa2

M. Sahlberg and Y. Andersson

Synopsis: The title intermetallic compounds crystallize in the tetragonal Mo2FeB2-type structure. All three crystallographically unique atoms occupy special positions and the site symmetries of (Sc/Y, Ga) and Mg are m2m and 4/m, respectively. The coordinations around Sc/Y, Mg and Ga are pentagonal (Sc/Y), tetragonal (Mg) and triangular (Ga) prisms, with four (Mg) or three (Ga) additional capping atoms leading to the coordination numbers [10], [8+4] and [6+3], respectively. The crystal structure of Sc2MgGa2 was determined from single-crystal diffraction intensities and the isostructural Y2MgGa2 was identified from powder diffraction data.

Formula: Sc2MgGa2

Online 7 February 2009


metal-organic compounds


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Acta Cryst. (2009). C65, m115-m117  [ doi:10.1107/S0108270109002571 ]

Bis[[mu]3-cis-N-(2-aminopropyl)-N'-(2-carboxylatophenyl)oxamidato(3-)]bis(2,2'-bipyridine)dichloridotetracopper(II) dihydrate

Y.-Y. Gu, Y.-T. Li, Z.-Y. Wu, W. Sun and M. Jiang

Formula: [Cu4(C12H12N3O4)2Cl2(C10H8N2)2]·2H2O

Online 7 February 2009


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Acta Cryst. (2009). C65, m118-m120  [ doi:10.1107/S0108270109003709 ]

Poly[deca-[mu]2-cyanido-dicyanidobis([mu]2-ethylenediamine)bis(ethylenediamine)tricadmium(II)dicobalt(III)]: a two-dimensional coordination polymer

O. Sereda and H. Stoeckli-Evans

Formula: [Cd3Co2(CN)12(C2H8N2)4]

Online 7 February 2009


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Acta Cryst. (2009). C65, m121-m127  [ doi:10.1107/S0108270109002534 ]

Three lanthanide complexes derived from itaconic acid and 2,2'-bipyridine

J. C. Muñoz, A. M. Atria, M. T. Garland and R. Baggio

Formula: [Gd2(C5H4O4)3(C10H8N2)2]·4H2O, [Gd2(C5H4O4)3(C10H8N2)(H2O)2] and [Ho2(C5H4O4)3(C10H8N2)2]·2H2O

Online 13 February 2009


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Acta Cryst. (2009). C65, m128-m130  [ doi:10.1107/S0108270109003813 ]

A three-dimensional hybrid framework based on novel [Co4Mo4] bimetallic oxide clusters with 3,5-bis(3-pyridyl)-1,2,4-triazole ligands

Q.-G. Zhai, S.-N. Li, M.-C. Hu and Y.-C. Jiang

Formula: [Co2Mo2O8(C12H9N5)]·H2O

Online 13 February 2009


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Acta Cryst. (2009). C65, m131-m134  [ doi:10.1107/S0108270109001851 ]

Bromido([eta]5-carboxycyclopentadienyl)dinitrosylchromium(0) and ([eta]5-benzoylcyclopentadienyl)bromidodinitrosylchromium(0)

Y.-P. Wang, H.-L. Leu, T.-S. Lin, Y. Wang and G.-H. Lee

Formula: [CrBr(C6H5O2)(NO)2] and [CrBr(C12H9O)(NO)2]

Online 13 February 2009


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Acta Cryst. (2009). C65, m135-m138  [ doi:10.1107/S0108270109004661 ]

Powder study of poly[([mu]2-2,2-dimethylpropane-1,3-diyl diisocyanide)-[mu]2-iodido-silver(I)]

M. Rukiah and M. Al-Ktaifani

Formula: [AgI(C7H10N2)]

Online 21 February 2009


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Acta Cryst. (2009). C65, m139-m142  [ doi:10.1107/S0108270109005691 ]

Square-grid coordination networks of (5,10,15,20-tetra-4-pyridylporphyrinato)zinc(II) in its clathrate with two guest molecules of 1,2-dichlorobenzene: supramolecular isomerism of the porphyrin self-assembly

R. Koner and I. Goldberg

Formula: [Zn(C40H24N8)]·2C6H4Cl2

Online 25 February 2009


organic compounds


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Acta Cryst. (2009). C65, o81-o84  [ doi:10.1107/S0108270109001991 ]

4'-[2-(2-Ethoxyethoxy)ethoxy]biphenyl-4-carboxylic acid: correlation between its crystalline and smectic phases

R. S. Montani, R. O. Garay, F. D. Cukiernik, M. T. Garland and R. Baggio

Formula: C19H22O5

Online 7 February 2009


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Acta Cryst. (2009). C65, o85-o87  [ doi:10.1107/S0108270109001814 ]

A novel three-dimensional framework constructed by 2-[(1H-imidazol-1-yl)methyl]-1H-benzimidazole and infinite chains of hydrogen-bonded water molecules

D.-Q. Qi, G.-G. Hou, J.-P. Ma, R.-Q. Huang and Y.-B. Dong

Formula: C11H10N4·2H2O

Online 7 February 2009


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Acta Cryst. (2009). C65, o88-o91  [ doi:10.1107/S0108270109003278 ]

3-Oxoandrosta-4,6-dien-17[beta]-yl 2-methyl-1H-imidazole-1-carboxylate and 3-oxo-5[alpha]-androst-17[beta]-yl 2-methyl-1H-imidazole-1-carboxylate: C-H...[pi] and [pi]-[pi] intermolecular interactions

M. Ramos Silva, V. M. Moreira, C. Cardoso, A. Matos Beja and J. A. R. Salvador

Formula: C24H30N2O3 and C24H34N2O3

Online 7 February 2009


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Acta Cryst. (2009). C65, o92-o96  [ doi:10.1107/S0108270109003370 ]

4-Hydroxy-2-vinyl-2,3,4,5-tetrahydro-1-benzazepine and its 7-fluoro and 7-chloro analogues are isomorphous but not strictly isostructural

L. M. Acosta, A. Bahsas, A. Palma, J. Cobo, M. B. Hursthouse and C. Glidewell

Formula: C12H15NO, C12H14FNO and C12H14ClNO

Online 7 February 2009


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Acta Cryst. (2009). C65, o97-o99  [ doi:10.1107/S0108270109004910 ]

Lupeol

R. S. Corrêa, C. P. Coelho, M. H. dos Santos, J. Ellena and A. C. Doriguetto

Formula: C30H50O

Online 21 February 2009


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Acta Cryst. (2009). C65, o100-o102  [ doi:10.1107/S0108270109004673 ]

The N1-(2'-deoxyribofuranoside) of 3-iodo-5-nitroindole: a universal nucleoside forming nitro-iodo interactions

S. Budow, P. Leonard, H. Eickmeier, H. Reuter and F. Seela

Formula: C13H13IN2O5

Online 21 February 2009


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Acta Cryst. (2009). C65, o103-o107  [ doi:10.1107/S0108270109004405 ]

Zero-, one- and two-dimensional hydrogen-bonded structures in the 1:1 proton-transfer compounds of 4,5-dichlorophthalic acid with the monocyclic heteroaromatic Lewis bases 2-aminopyrimidine, nicotinamide and isonicotinamide

G. Smith, U. D. Wermuth and J. M. White

Formula: C4H6N3+·C8H3Cl2O4-, C6H7N2O+·C8H3Cl2O4- and C6H7N2O+·C8H3Cl2O4-·C9H6Cl2O4

Online 21 February 2009


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Acta Cryst. (2009). C65, o108-o110  [ doi:10.1107/S0108270109004041 ]

Two crystal forms of mesogenic bis(4'-cyanobiphenyl-4-yl) butanedioate

K. Hori and N. Kouno

Formula: Two forms of C30H20N2O4

Online 21 February 2009


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Acta Cryst. (2009). C65, o111-o114  [ doi:10.1107/S0108270109004181 ]

Different hydrogen-bonded structures in the isomeric solvates 2-amino-6-anilino-4-methoxy-5-[(E)-4-nitrobenzylideneamino]pyrimidine dimethyl sulfoxide solvate and 2-amino-6-[methyl(phenyl)amino]-5-[(E)-4-nitrobenzylideneamino]pyrimidin-4(3H)-one dimethyl sulfoxide solvate

R. Rodríguez, M. Nogueras, J. Cobo and C. Glidewell

Formula: C18H16N6O3·C2H6OS

Online 25 February 2009


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Acta Cryst. (2009). C65, o115-o117  [ doi:10.1107/S0108270109004818 ]

Anomeric effect for a 2,5,7-triazabicyclo[2.2.1]heptane derivative

A. Taheri and S. M. Moosavi

Formula: C34H31N5·C8H10

Online 27 February 2009


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Acta Cryst. (2009). C65, o118-o120  [ doi:10.1107/S0108270109006325 ]

Two-dimensional hydrogen-bonded networks in 1-(diaminomethylene)thiouron-1-ium nitrate and bis[1-(diaminomethylene)thiouron-1-ium] phosphonate monohydrate

J. Janczak and G. J. Perpétuo

Formula: C2H7N4S+·NO3- and 2C2H7N4S+·HPO32-·H2O

Online 27 February 2009


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Acta Cryst. (2009). C65, o121-o122  [ doi:10.1107/S0108270109005782 ]

A three-dimensional hydrogen-bonded network in bis(4-hydroxyanilinium) selenate(VI) dihydrate

J. Janczak and G. J. Perpétuo

Formula: 2C6H8NO+·SeO42-·2H2O

Online 27 February 2009


addenda and errata


 

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Acta Cryst. (2009). C65, e11-e12  [ doi:10.1107/S0108270108000309 ]

Lupulin structures revisited

E. Molins and J. Coll

Formula: C25H38O8

Online 7 February 2009


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