Acta Crystallographica Section C

Crystal Structure Communications

Volume 55, Part 6 (June 1999)

Cover illustration Cover illustration: Study of a diastereoisomeric dihydrothiophene derivative at 150 K, see Diánez, Estrada, López-Castro & Pérez-Garrido, pages 1020-1023. Displacement ellipsoids are shown at the 50% probability level.

cif-access (inorganic compounds)

Acta Cryst. (1999). C55, IUC9900052    [ doi:10.1107/S0108270199099394 ]

Ammonium tetraoxoiodate(VII)

W. Levason and M. Webster

Synopsis: During the attempted crystal growth of periodate complexes of lanthanide elements, good quality crystals of ammonium iodate(VII) formed and were used to confirm the structure. The I-O distance was 1.772(3)Å, and the O-I-O angles were 108.4(1) (×4) and 111.6(2)° (×2).

Formula: (NH4)[IO4]

cif-access (metal-organic compounds)

Acta Cryst. (1999). C55, IUC9900056    [ doi:10.1107/S0108270199099382 ]

Sodium 2,4-dichloro-5-nitrobenzoate dihydrate

A. D. Morales, H. Novoa de Armas, L. Xuárez Marill, R. Pellón Comdom and S. García-Granda

Synopsis: The Na+ ion is in a distorted octahedral enviroment, with four vertices being occupied by water O atoms and two by carboxylate O atoms. The structure is composed of discrete [C6H2Cl2NO2CO2]- anionic units, held together by intervening Na+ ions and two nobreak water molecules.

Formula: Na+C7H2Cl2NO4-2H2O

Acta Cryst. (1999). C55, IUC9900057    [ doi:10.1107/S0108270199099370 ]

Sodium tris(1,4-dioxane) iodide

V. K. Belsky and V. I. Maslennikova

Synopsis: The sodium ion, located on a threefold axis, is surrounded by six centrosymmetric dioxane molecules octahedally, which link sodium ions to give a polymeric structure.

Formula: Na+3C4H8O2I-

Acta Cryst. (1999). C55, IUC9900058    [ doi:10.1107/S0108270199099369 ]

A dinuclear nickel(II) complex with triethylenetetraaminehexaacetic acid

D.-F. Li, Z.-R. Liao and Y. Xiong

Synopsis: Numerous intra- and intermolecular hydrogen bonds exist in the title compound, hexaaquanickel(II) [bold mu]-triethylenetetraaminehexaacetato-bis[aquadinickel(II)], [Ni(H2O)6]2+.[Ni2(TTHA)(H2O)2]2-.4H2O. The [Ni(H2O)6]2+ cations are connected by hydrogen bonds to form a one-dimensional chain and the whole molecule forms an intricate three-dimensional network.

Formula: [Ni(H2O)6][Ni2(C18H24N4O12)(H2O)2]4H2O

Acta Cryst. (1999). C55, IUC9900059    [ doi:10.1107/S0108270199099357 ]


A. V. Virovets, D. Yu. Naumov, L. G. Lavrenova and M. B. Bushuev

Synopsis: The centrosymmetric title complex [CuL2(NO3)2], where L is 3-acetylamino-1,2,4-triazole, has been investigated. The environment of the Cu atom is elongated octahedral.

Formula: [Cu(NO3)2(C4H6N4O)2]

Acta Cryst. (1999). C55, IUC9900062    [ doi:10.1107/S0108270199099345 ]

cis-[1,2-Bis(diphenylphosphino)ethene]dichloropalladium(II) bis(trichloromethane) solvate

P. Juanatey, A. Suárez, M. López, J. M. Vila, J. M. Ortigueira and A. Fernández

Synopsis: In the title compound, the Pd atom is coordinated to cis-[Ph2PC(H)=(H)CPPh2] through the P atoms and to two Cl atoms in a slightly distorted square-planar arrangement, with the most noticeable distortion in the P-Pd-P angle of 86.10(4)°. The Pd-P and Pd-Cl bond lengths of 2.2291(8) and 2.3617(8)Å, respectively, are similar to the values found in related palladium(II) complexes.

Formula: [PdCl2(C26H22P2)]2CHCl3

Acta Cryst. (1999). C55, IUC9900065    [ doi:10.1107/S0108270199099333 ]

Triquinolinium hexanitratolanthate(III) monohydrate

Y. Cui, F. Zheng, J. Chen and J. Huang

Synopsis: In the title compound, the LaIII ion is 12-coordinate, surrounded by six bidentate nitrate groups, with La-O bond lengths ranging from 2.627(2) to 2.706(2)Å. Hydrogen bonding between the lattice water molecule and the nitrate O atoms forms a one-dimensional zigzag chain.

Formula: (C9H8N)3[La(NO3)6]H2O

cif-access (organic compounds)

Acta Cryst. (1999). C55, IUC9900054    [ doi:10.1107/S0108270199099321 ]


B. Therrien and A. L. Beauchamp

Synopsis: In the title compound, the two rings are approximately coplanar. The molecule lies on a crystallographic inversion center and adopts the anti conformation, keeping the methyl groups apart.

Formula: C8H10N4

Acta Cryst. (1999). C55, IUC9900055    [ doi:10.1107/S010827019909931X ]

Cyclopropanation reactions on [alpha]-cis-himachalene and a [beta]-himachalene

A. Auhmani, E. Kossareva, E. Lassaba, M. Réglier, M. Pierrot and A. Benharref

Synopsis: The crystallographic structures of 3[alpha],4[alpha]-dibromomethano-3,5,5-trimethyldecahydro-1H-benzocycloheptene-9,1'-spiro(2',2'-dibromocyclopropane), C17H24Br4, (3), 3[alpha],4[alpha]-dichloromethano-3,5,5-trimethyldecahydro-1H-benzocycloheptene-9,1'-spiro(2',2'-dichlorocyclopropane), C17H24Cl4, (4), and 9[alpha],9a[alpha]-dichloromethano-3,5,5,9-tetramethyl-1,4a,5,6,7,8,9,9a-octahydro-2H-benzocycloheptene, C16H24Cl2, (5), resulting from cyclopropanation reactions of the C=C double bonds of [alpha]-cis-himachalene and [beta]-himachalene, are reported.

Formula: C17H24Br4, C17H24Cl4 and C16H24Cl2

Acta Cryst. (1999). C55, IUC9900053    [ doi:10.1107/S0108270199099308 ]

[2-Hydroxy-(1S,2R)-1,2-bis(4-methoxyphenyl)ethyl]ammonium L-tartrate hydrate

L. Jian, D. Chen, Y. Jiang, K. Yu and A. S. C. Chan

Synopsis: In the title compound, the ammonium cation is connected to tartrate anions and water molecules through O-H...O and N-H...O hydrogen bonds. As a whole, the structure is stabilized by numerous hydrogen bonds.

Formula: C16H20NO3+C4H5O6-H2O

Acta Cryst. (1999). C55, IUC9900061    [ doi:10.1107/S0108270199099291 ]

DL-Aminophenylacetic acid

B. Dalhus and C. H. Görbitz

Synopsis: The racemate DL-aminophenylacetic acid (DL-2-amino-2-phenylethanoic acid) crystallizes in space group P21/c. The crystal is divided into distinct hydrophilic and hydrophobic layers. The structure is part of an ongoing program to provide accurate H-atom positions in crystal structures of hydrophobic amino acids [Dalhus & Görbitz (1999a). Acta Cryst. C55. In the press].

Formula: C8H9NO2

Acta Cryst. (1999). C55, IUC9900064    [ doi:10.1107/S010827019909928X ]


L. Dupont, B. Pignon and L. Christiaens

Synopsis: The title compound is an original potential drug analogue of clozapine (C18H19ClN4), a well known atypical antipsychotic compound. The crystal structure is isostructural with that of C18H18ClN3S published previously. The selenoazepine ring adopts a boat conformation and the piperazine ring has a normal chair conformation.

Formula: C18H18ClN3Se

Acta Cryst. (1999). C55, IUC9900063    [ doi:10.1107/S0108270199099278 ]

Analogues of anacardic acids: 6-(cyclohexylmethyl)salicylic acid and 6-(2-cyclohexylethyl)salicylic acid

S. A. Bourne, I. R. Green and F. E. Tocoli

Synopsis: The title compounds, C14H18O3, (1), and C15H20O3, (2), are in monoclinic space groups C2/c and P21/c, respectively. The cyclohexane ring adopts a chair conformation in both cases. The plane of the central four atoms makes an angle of 87.1(1)° with the phenyl ring in (1) and and angle of 51.3(1)° in (2). Both structures have an intra- and an intermolecular hydrogen bond.

Formula: C14H18O3 and C15H20O3

Acta Cryst. (1999). C55, IUC9900060    [ doi:10.1107/S0108270199099266 ]

(2R,SP)-2-Hydroxymethyl-1-phenylphospholane 1-oxide

J. Deng, Z. He, K. Yu, A. Mi and Y. Jiang

Synopsis: A single-crystal structure analysis of the new title compound reveals an intermolecular hydrogen bond between the 2-methylhydroxyl group and the P=O group.

Formula: C11H15O2P

inorganic compounds

Acta Cryst. (1999). C55, 833-835    [ doi:10.1107/S0108270198018484 ]

K4Sb2O3 containing the Sb2O34- anion

M. Tillard, L. Monconduit, B. Traber and C. Belin

Synopsis: The title compound, tetrapotassium diantimony trioxide, crystallizes in the hexagonal space group P63mc. The structure consists of stacking of trigonal-pyramidal Sb2O34- anions along the c axis. The Sb-Sb bond length of 2.803(3)Å corresponds to a metal-metal single bond, while very short Sb-O bond lengths of 1.74(2)Å are characteristic of double bonds.

Formula: K4Sb2O3

Acta Cryst. (1999). C55, 835-838    [ doi:10.1107/S0108270199003066 ]

The lamellar double-hydroxide (LDH) compound with composition 3CaO.Al2O3.Ca(NO3)2.10H2O

G. Renaudin and M. François

Synopsis: The title compound, tetracalcium dialuminum dodecahydroxide dinitrate tetrahydrate, is a layered compound constituted by positively charged [Ca4Al2(OH)12]2+ main layers and negatively charged [2NO3.4H2O]2- interlayers. The interlayer part of the structure is strongly disordered.

Formula: [Ca4Al2(OH)12](NO3)24H2O

Acta Cryst. (1999). C55, 838-841    [ doi:10.1107/S0108270199002760 ]

Triclinic sodium tungsten oxide, Na5W14O44

S. T. Triantafyllou and P. C. Christidis

Synopsis: The structure of the title compound is built up of groups of four layers of WO6 octahedra linked together through a layer of a different type consisting of isolated WO5 trigonal bipyramids. The Na atoms are distributed in the hexagonal holes of these layers.

Formula: Na5O44W14

Acta Cryst. (1999). C55, 841-843    [ doi:10.1107/S0108270199000165 ]

[bold gamma]-Mo4O11

H.-K. Fun, P. Yang, M. Sasaki, M. Inoue and H. Kadomatsu

Synopsis: The space group of the title compound, tetramolybdenum undecaoxide, has been confirmed to be Pna21. Three out of the four Mo atoms are each coordinated by six O atoms to form MoO6 octahedra. The remaining Mo atom is coordinated by four O atoms to form an MoO4 tetrahedron.

Formula: Mo4O11

Acta Cryst. (1999). C55, 843-845    [ doi:10.1107/S0108270198016102 ]


M. F. Zid and T. Jouini

Synopsis: The structure of rubidium molybdyl arsenate consists of AsO4 tetrahedra and MoO6 octahedra sharing corners to form a three-dimensional framework containing large tunnels, parallel to [110], where the Rb+ ions are located. RbMoO2AsO4 is isostructural with the phosphate KMoO2PO4. They both crystallize in the orthorhombic space group Fddd.

Formula: RbMoO2AsO4

Acta Cryst. (1999). C55, 845-847    [ doi:10.1107/S010827019900414X ]

A new modification of NaCoPO4 with the zeolite ABW structure

A. M. Chippindale, A. R. Cowley, J. Chen, Q. Gao and R. Xu

Synopsis: A new polymorph of NaCoPO4, sodium cobalt(II) phosphate, crystallizes with a monoclinic modification of the zeolite ABW structure. The five-coordinate Na+ cations reside within channels running through an open cobalt-phosphate framework constructed from four-, six- and eight-membered rings of alternating CoO4 and PO4 tetrahedra.

Formula: NaCoPO4

metal-organic compounds

Acta Cryst. (1999). C55, 848-850    [ doi:10.1107/S0108270199001183 ]


T.-J. Park, S. Huh, Y. Kim and M.-J. Jun

Formula: [CoCl2(C34H28FeP2)]

Acta Cryst. (1999). C55, 850-852    [ doi:10.1107/S0108270199002279 ]

trans-Carbonyl[[bold eta]2-dihydrobis(pyrazol-1-yl-N2)borato]hydridobis(triphenylarsine)ruthenium(II) monohydrate

S. Huh, Y. Kim, S. Park, T.-J. Park and M.-J. Jun

Formula: [RuH(C6H8BN4)(C18H15As)2(CO)]H2O

Acta Cryst. (1999). C55, 852-854    [ doi:10.1107/S0108270199002589 ]

Di-[bold mu]-chloro-bis{chloro[(4a,5,6,7,8,8a-[bold eta]6)-1,2,3,4-tetrahydronaphthalene]ruthenium(II)

M. Bown and M. A. Bennett

Formula: [Ru2Cl4(C10H12)2]

Acta Cryst. (1999). C55, 854-856    [ doi:10.1107/S0108270199004357 ]

Tetraphenylphosphonium tetrakis(1-methyl-1,2,3,4-tetrazole-5-thiolato-S)aurate(III) hemihydate

E. S. Lang, M. Dahmer and U. Abram

Formula: (C24H20P)[Au(C2H3N4S)4]0.5H2O

Acta Cryst. (1999). C55, 856-858    [ doi:10.1107/S0108270199000505 ]

A trimeric aluminium alkoxide: methoxyaluminium dichloride

T. Gelbrich, U. Dümichen and P. Jörchel

Formula: [Al3Cl6(CH3O)3]

Acta Cryst. (1999). C55, 858-860    [ doi:10.1107/S0108270199001420 ]

Hexakis(imidazole-N3)nickel(II) oxydiacetate ethanol solvate

M. Perec, R. Baggio and M. T. Garland

Formula: [Ni(C3H4N2)6](C4H4O5)C2H6O

Acta Cryst. (1999). C55, 860-863    [ doi:10.1107/S0108270199002978 ]

[bold mu]3-Iodo-2:3:4[bold kappa]3I-tri-[bold mu]3-sulfido-1:2:3[bold kappa]3S;1:2:4[bold kappa]3S;1:3:4[bold kappa]3S-sulfido-1[bold kappa]S-tris(triphenylphosphine)-2[bold kappa]P,3[bold kappa]P,4[bold kappa]P-trisilvertungsten-triphenylphosphine sulfide (1/1)

Q.-H. Jin, X.-L. Xin, Y.-H. Deng and K.-B. Yu

Formula: [Ag3WS4I(C18H15P)3]C18H15PS

Acta Cryst. (1999). C55, 863-867    [ doi:10.1107/S0108270199000554 ]

Addition compounds of titanium tetrachloride with aromatic nitrogen bases

K. Hensen, A. Lemke and M. Bolte

Formula: [TiCl4(C7H9N)2], [TiCl4(C6H7N)2] and (C4H7N2)2[TiCl5(C4H6N2)][TiCl6]0.5

Acta Cryst. (1999). C55, 867-869    [ doi:10.1107/S0108270199001171 ]

catena-Poly[[bis([bold mu]-2,6-dimethylpiperidinido-N:N)dilithium]-[bold mu]-(N,N,N',N'-tetramethylethylenediamine-N:N')]

W. Clegg, L. Horsburgh, S. A. Couper and R. E. Mulvey

Formula: [Li2(C7H14N)2(C6H16N2)]

Acta Cryst. (1999). C55, 869-871    [ doi:10.1107/S0108270199002309 ]


S.-P. Yang, L.-S. Long, X.-M. Chen and L.-N. Ji

Formula: [ZnCl2(C5H8N2O)2]

Acta Cryst. (1999). C55, 871-873    [ doi:10.1107/S0108270198016710 ]

Disodium 4,4'-difluoro-3,3'-carbonyldibenzenesulfonate hydrofluoride tetrahydrate

F. Wang, Y. Qi, T. Chen, Y. Xing, Y. Lin and J. Xu

Formula: 2Na+C13H6F2O7S22-HF4H2O

Acta Cryst. (1999). C55, 873-875    [ doi:10.1107/S0108270199001110 ]

An oxamidato-bridged binuclear imidazole-copper(II) complex

C. Zhang, J. Sun, X. Kong and C. Zhao

Formula: [Cu2(C8H16N4O2)(NO3)2(C3H4N2)2]

Acta Cryst. (1999). C55, 875-876    [ doi:10.1107/S010827019900325X ]


J. Gill, H. Parge, C. J. Cardin, C. Tsiamis and C. Kavounis

Formula: [SnCl2(C4H9)2(C10H8N2)]

Acta Cryst. (1999). C55, 876-878    [ doi:10.1107/S0108270199002887 ]


C. Kitamura, A. Yoneda, K. Sugiura and Y. Sakata

Formula: [Sn(C10H8NO)2]

Acta Cryst. (1999). C55, 878-880    [ doi:10.1107/S0108270199001122 ]


M. Ruíz, R. Ortiz, L. Perelló and A. Castiñeiras

Formula: [CuCl(C12H9N2O5)(C12H10N2O5)(H2O)]

Acta Cryst. (1999). C55, 881-882    [ doi:10.1107/S0108270199002620 ]

Decacarbonyl([bold mu]-hydrido)([bold mu]-2-hydroxyethoxy)triosmium

W. K. Leong and M. W. Lum

Formula: [Os3H(C2H5O2)(CO)10]

Acta Cryst. (1999). C55, 882-886    [ doi:10.1107/S0108270199001985 ]

A monomeric and a dimeric copper(II) trigonelline adduct with chloride, and a dimeric copper(II) 1-methyl-2-pyrrolecarboxylate adduct with 3-methylpyridine

H. Nakagawa, Y. Kani, M. Tsuchimoto, S. Ohba, M. Hideaki and T. Tokii

Formula: [CuCl2(C7H7NO2)2], [Cu2Cl2(C7H7NO2)4]Cl28H2Oand [Cu2(C6H6NO2)4(C6H7N)2]

Acta Cryst. (1999). C55, 886-889    [ doi:10.1107/S0108270198018381 ]

Tris(2-pyridylmethyl)triazacyclododecane complexes of FeII and CuII

N. W. Alcock, D. Zhang and D. H. Busch

Formula: [Fe(C27H36N6)][FeCl4] and[Cu(C27H36N6)](PF6)20.5C2H3N

Acta Cryst. (1999). C55, 889-894    [ doi:10.1107/S0108270199001286 ]

Triphenyltin N,N-dimethylthiocarbamoylacetate, triphenyltin N,N-pentamethylenecarbamoylthioacetate and cyclopentyldiphenyltin N,N-dimethylthiocarbamoylacetate

K. M. Lo, V. G. Kumar Das and S. W. Ng

Formula: [Sn(C6H5)3(C5H8NO3S)], [Sn(C6H5)3(C8H12NO3S)]and [Sn(C6H5)2(C5H9)(C5H8NO3S)]

Acta Cryst. (1999). C55, 894-896    [ doi:10.1107/S0108270199001298 ]

4,4'-Dimethyl-6,6'-bis(1-morpholiniomethyl)-2,2'-[1,2-ethanediylbis(nitrilomethylidene-N)]diphenolato-O,O'}copper(II) diperchlorate monohydrate

S. Shanmuga Sundara Raj, R. Thirumurugan, G. Shanmugam, H.-K. Fun, J. Manonmani and M. Kandaswamy

Formula: [Cu(C28H38N4O4)](ClO4)2H2O

Acta Cryst. (1999). C55, 896-899    [ doi:10.1107/S0108270199001602 ]

A neutral cobalt(II) complex of a Schiff base ligand containing mixed O2S2N2 donors

H.-K. Fun, S. Shanmuga Sundara Raj, X.-H. Zhu, X.-F. Chen, J.-L. Zuo and X.-Z. You

Formula: [Co(C32H28N4O2S4)]

Acta Cryst. (1999). C55, 899-901    [ doi:10.1107/S0108270199002048 ]

Chloro(di-2-pyridyl-[bold kappa]N-amine)(propionato-[bold kappa]2O,O')copper(II) monohydrate

S. Youngme, K. Chinnakali, S. Chantrapromma and H.-K. Fun

Formula: [CuCl(C3H5O2)(C10H9N3)]H2O

Acta Cryst. (1999). C55, 901-903    [ doi:10.1107/S010827019900181X ]


Z. Shen, J.-L. Zuo, K. Chinnakali, H.-K. Fun and X.-Z. You

Formula: [Mn(N3)2(C12H8N2)2]

Acta Cryst. (1999). C55, 903-905    [ doi:10.1107/S0108270199001924 ]

catena-Poly[[(2,2'-bipyridine)iron(II)]-[bold mu]-oxalato]

H.-K. Fun, S. Shanmuga Sundara Raj, X. Fang, L.-M. Zheng and X.-Q. Xin

Formula: [Fe(C2O4)(C10H8N2)]

Acta Cryst. (1999). C55, 905-907    [ doi:10.1107/S0108270199002310 ]

Aminoguanidinium (ethylenediamine-N,N,N',N'-tetraacetato)antimonate(III) monohydrate

H.-K. Fun, S. Shanmuga Sundara Raj, I. A. Razak, A. B. Ilyukhin, R. L. Davidovich, J.-W. Huang, S.-Z. Hu and S. W. Ng

Formula: (CH7N4)[Sb(C10H12N2O8)]H2O

Acta Cryst. (1999). C55, 907-910    [ doi:10.1107/S0108270199002206 ]

Diclofenac interactions: tetrakis[[bold mu]-2-(2,6-dichloroanilino)phenylacetato]-1:2[bold kappa]8O:O'-diacetone-1[bold kappa]O,2[bold kappa]O-dicopper(II)(Cu--Cu) acetaldehyde solvate

C. Castellari, G. Feroci and S. Ottani

Formula: [Cu2(C14H10Cl2NO2)4(C3H6O)2]C2H4O

Acta Cryst. (1999). C55, 911-913    [ doi:10.1107/S0108270199002498 ]

Disodium hexaaquacobalt(II) bis[dihydrogen 1,2,4,5-benzenetetracarboxylate(2 -)] tetrahydrate

L. Karanovic, D. Poleti, G. A. Bogdanovic and A. Spasojevic-de Biré

Formula: Na2[Co(H2O)6](C10H4O8)24H2O

Acta Cryst. (1999). C55, 913-916    [ doi:10.1107/S0108270199001432 ]

The red form of [Re(phen)(CO)3(H2O)]CF3SO3.H2O

W. B. Connick, A. J. Di Bilio, W. P. Schaeffer and H. B. Gray

Formula: [Re(C12H8N2)(CO)3(H2O)]CF3SO3H2O

Acta Cryst. (1999). C55, 916-918    [ doi:10.1107/S0108270199003510 ]

Dibenzylbis(tert-butylimido)molybdenum(VI), containing both [bold eta]1- and [bold eta]2-benzyl ligands

W. Clegg, M. R. J. Elsegood, P. W. Dyer, V. C. Gibson and E. L. Marshall

Formula: [Mo(C7H7)2(C4H9N)2]

Acta Cryst. (1999). C55, 918-921    [ doi:10.1107/S0108270199002966 ]

Dipotassium naphthalene-1,8-dicarboxylate-potassium bicarbonate

L. J. Fitzgerald and R. E. Gerkin

Formula: 3K+C12H6O42-HCO3-

Acta Cryst. (1999). C55, 921-923    [ doi:10.1107/S0108270199001584 ]

(C2H10N2)[Co(H2O)6](HPO4)2: a supramolecular three-dimensional hydrogen-bonding network

Y. Shan and S. D. Huang

Formula: (C2H10N2)[Co(H2O)6](HPO4)2

Acta Cryst. (1999). C55, 923-925    [ doi:10.1107/S0108270199003091 ]

[[bold mu]-Bis(salicylidene)-1,3-propanediaminato]-copper(II)}dichlorozinc(II)

L. Tatar, O. Atakol, D. Ülkü and M. Aksu

Formula: [CuZnCl2(C17H16N2O2)]

Acta Cryst. (1999). C55, 925-928    [ doi:10.1107/S0108270199003273 ]

[[bold mu]-Bis(salicylidene)-1,3-propanediaminato]-(3-methylpyridine)copper(II)}diiodozinc(II)

F. Ercan, C. Arici, A. Akay, O. Atakol and D. Ülkü

Formula: [CuZnI2(C17H16N2O2)(C6H7N)]

Acta Cryst. (1999). C55, 928-930    [ doi:10.1107/S0108270199002802 ]

[[bold mu]-Bis(salicylidene)-1,3-propanediaminato]-bis(3,5-dimethylpyridine)nickel(II)}diiodozinc(II)

C. Arici, F. Ercan, O. Atakol, A. Akay and D. Ülkü

Formula: [NiZnI2(C17H16N2O2)(C7H9N)2]

Acta Cryst. (1999). C55, 930-932    [ doi:10.1107/S0108270199002851 ]

[[bold mu]-Bis(salicylidene)-1,3-propanediaminato]-copper(II)}diiodozinc(II)

F. Ercan, C. Arici, D. Ülkü, O. Atakol and M. Aksu

Formula: [CuZnI2(C17H16N2O2)]

Acta Cryst. (1999). C55, 932-934    [ doi:10.1107/S0108270198017181 ]


J. Guerrero, S. A. Moya, M. T. Garland and R. F. Baggio

Formula: [ReBr(C20H14N2)(CO)3]

organic compounds

Acta Cryst. (1999). C55, 935-937    [ doi:10.1107/S0108270199002565 ]

Hydrogen bonding in quinolinium-4-carboxylate dihydrate

A. J. Dobson and R. E. Gerkin

Formula: C10H7NO22H2O

Acta Cryst. (1999). C55, 937-940    [ doi:10.1107/S0108270199002577 ]

Network of C-H...O interactions in 1,2-naphthalenedicarboxylic anhydride

L. J. Fitzgerald and R. E. Gerkin

Formula: C12H16O3

Acta Cryst. (1999). C55, 940-942    [ doi:10.1107/S0108270198016370 ]

Ethylene bis(dimethyldithiocarbamate) and butane-1,4-diyl bis(dimethyldithiocarbamate)

F. Jian, D. Zhu, H.-K. Fun, K. Chinnakali, I. A. Razak and X. You

Formula: C8H16N2S4 and C10H20N2S4

Acta Cryst. (1999). C55, 942-944    [ doi:10.1107/S0108270199002486 ]

p-Methoxybenzaldehyde isonicotinoylhydrazone monohydrate

S. Shanmuga Sundara Raj, H.-K. Fun, Z.-L. Lu, W. Xiao, Y.-X. Tong and B.-S. Kang

Formula: C14H13N3O2H2O

Acta Cryst. (1999). C55, 944-946    [ doi:10.1107/S0108270199001791 ]

2-Acetyl-6-phenyl-5,6,7,8-tetrahydro-1-naphthyl p-toluenesulfonate

K. Chinnakali, H.-K. Fun, K. Sriraghavan and V. T. Ramakrishnan

Formula: C25H24O4S

Acta Cryst. (1999). C55, 946-948    [ doi:10.1107/S0108270199002036 ]


K. Chinnakali, H.-K. Fun, K. Sriraghavan and V. T. Ramakrishnan

Formula: C14H13IO3

Acta Cryst. (1999). C55, 948-951    [ doi:10.1107/S0108270199000864 ]

7-Methyl-3-(2-methylphenyl)-1,2,4-triazolo[3,4-b][1,3]benzothiazole, (I), and 7-methyl-3-(4-methylphenyl)-1,2,4-triazolo[3,4-b][1,3]benzothiazole, (II)

K. Puviarasan, L. Govindasamy, S. Shanmuga Sundara Raj, D. Velmurugan, G. Jayanthi and H.-K. Fun

Formula: Two forms of C16H13N3S

Acta Cryst. (1999). C55, 951-953    [ doi:10.1107/S0108270199002796 ]


K. Puviarasan, L. Govindasamy, S. Shanmuga Sundara Raj, D. Velmurugan, G. Jayanthi and H.-K. Fun

Formula: C14H10ClN3S

Acta Cryst. (1999). C55, 953-956    [ doi:10.1107/S0108270199002280 ]

(R)-(+)-2-(4-Chlorophenoxy)propionic acid

H. O. Sørensen, A. Collet and S. Larsen

Formula: C9H9ClO3

Acta Cryst. (1999). C55, 956-958    [ doi:10.1107/S0108270199003042 ]

(S)-2-Amino-3-methyl-1-butanol (2S,3S)-hydrogen tartrate monohydrate

R. M. Bruun and S. Larsen

Formula: C5H14NO+C4H5O6-H2O

Acta Cryst. (1999). C55, 958-960    [ doi:10.1107/S0108270199002607 ]


A. Falshaw, G. J. Gainsford and C. Lensink

Formula: C12H18O5

Acta Cryst. (1999). C55, 960-962    [ doi:10.1107/S0108270199002619 ]


R. Yoshihara, H. Hosomi, H. Aoyama and S. Ohba

Formula: C12H17NO2

Acta Cryst. (1999). C55, 962-963    [ doi:10.1107/S0108270199002371 ]

Low-temperature structure of allyl silatrane

J. M. White and S. Jones

Formula: C9H17NO3Si

Acta Cryst. (1999). C55, 964-968    [ doi:10.1107/S0108270199001304 ]

Bis-lactim ethers of cyclic dipeptides. 1. Compounds derived from cyclo(Gly-L-Val)

M. Bolte, B. Benecke and E. Egert

Formula: C21H25N3O4, C19H27N3O6, C14H24N2O4 and C16H22N2O3

Acta Cryst. (1999). C55, 968-973    [ doi:10.1107/S010827019801645X ]

Bis-lactim ethers of cyclic dipeptides. 2. Benzyl-substituted compounds

M. Bolte, B. Benecke and E. Egert

Formula: C20H22N2O2, C20H22N2O2, C20H17F5N2O2,C20H28N2O2 and C24H30N2O4

Acta Cryst. (1999). C55, 973-975    [ doi:10.1107/S0108270198013079 ]

Unexpectedly produced 2-tert-butyl-5-(N,N-dimethylcarbamoyl)pyridine from 2-chloro-3-(N,N-dimethylcarbamoyl)pyridine with a tert-butyl Grignard reagent

Y. Mikata and R. Maesaki

Formula: C12H18N2O

Acta Cryst. (1999). C55, 975-978    [ doi:10.1107/S0108270199002541 ]

4-Methoxybenzaldehyde pentafluorophenylmethylidenehydrazone

M. Lewis, C. L. Barnes, B. A. Hathaway and R. Glaser

Formula: C15H9F5N2O

Acta Cryst. (1999). C55, 978-980    [ doi:10.1107/S0108270199000840 ]


D. Britton

Formula: C12H8O2

Acta Cryst. (1999). C55, 980-983    [ doi:10.1107/S010827019900236X ]

Two new 2,3-substituted 5-norbornenes

J. Zukerman-Schpector, J. Gruber and F. F. Camilo

Formula: C16H18OS and C15H15NO3S

Acta Cryst. (1999). C55, 983-985    [ doi:10.1107/S0108270199002474 ]

trans-2,6-Bis(ethylamino)-2,4,4,6,8,8-hexapiperidinocyclo-2[bold lambda]5,4[bold lambda]5,6[bold lambda]5,8[bold lambda]5-tetraphosphazatetraene

T. Hökelek, E. Kiliç and Z. Kiliç

Formula: C34H72N12P4

Acta Cryst. (1999). C55, 986-987    [ doi:10.1107/S0108270198014668 ]


S. Kolappan and T. P. Seshadri

Formula: C31H24N4O8

Acta Cryst. (1999). C55, 987-990    [ doi:10.1107/S0108270199000712 ]

1-Acetyl-5-(4-methoxyphenyl)-3-(4-methoxystyryl)-2-pyrazoline and 1-acetyl-5-(2-chlorophenyl)-3-(2-chlorostyryl)-2-pyrazoline

R. V. Krishnakumar, S. Natarajan, V. Vijayabaskar, S. Perumal and S. Selvaraj

Formula: C21H22N2O3 and C19H16Cl2N2O

Acta Cryst. (1999). C55, 990-992    [ doi:10.1107/S0108270199001973 ]

Ethyl 1-(2-cyanoethyl)-3,5-dimethyl-1H-indole-2-carboxylate

T. N. Chandrakantha, Puttaraja. Puttaraja, M. K. Kokila and N. C. Shivaprakash

Formula: C16H18N2O2

Acta Cryst. (1999). C55, 992-994    [ doi:10.1107/S0108270199002255 ]

Dimethyl oleana-13(18),15(16)-diene-3[beta],28-diacetate

K. Bhattacharyya, T. Kar, P. K. Dutta, G. Bocelli and L. Righi

Formula: C34H52O4

Acta Cryst. (1999). C55, 994-996    [ doi:10.1107/S0108270198014619 ]

Uronium sulfate, [OHC(NH2)2]2(SO4)

T. Chen, S. Xiao, B. Zhong, C. L. Stern and D. E. Ellis

Formula: 2CH5N2O+SO42-

Acta Cryst. (1999). C55, 996-1000    [ doi:10.1107/S0108270199000487 ]

Regioselectivity in dibenzobarrelene photorearrangements: photoproducts derived from 9-substituted-dibenzobarrelenes

M. Muneer, D. Ramaiah, E. S. Ajitkumar, M. C. Sajimon, N. P. Rath and M. V. George

Formula: C31H20O3, C32H22O3, C30H19NO4 and C34H28O2

Acta Cryst. (1999). C55, 1000-1003    [ doi:10.1107/S0108270199002292 ]

Intermolecular N-H...O and C-H...O interactions form a two-dimensional network in (2S,4S,5R)-(-)-3,4-dimethyl-5-phenyl-2-(pyrrol-2-yl)-1,3-oxazolidine

J. F. Gallagher and L. M. Fitzsimons

Formula: C15H18N2O

Acta Cryst. (1999). C55, 1003-1005    [ doi:10.1107/S0108270199002383 ]

X-ray investigations of potential [beta]-blockers. IV

M. Domagala, A. J. Rybarczyk, T. A. Olszak and E. Brzezinska

Formula: C13H20NO3+Cl-H2O

Acta Cryst. (1999). C55, 1005-1008    [ doi:10.1107/S0108270199002784 ]

(2S,3S)- and (2R,3S)-2-[2-(benzyloxy)ethyl]-3-(6-chloro-9H-purin-9-yl)oxolane

G. Balayiannis, I. Argiris, D. Papaioannou and C. Kavounis

Formula: Two isomers of C18H19ClN4O2

Acta Cryst. (1999). C55, 1008-1009    [ doi:10.1107/S0108270199002516 ]


R. Sillanpää, J. Pedrajas, C. Viñas, F. Teixidor and R. Kivekäs

Formula: C19H18P+C6H20B9-

Acta Cryst. (1999). C55, 1009-1012    [ doi:10.1107/S010827019900222X ]


M. Alías, E. Buñuel, C. Cativiela, M. D. Díaz-de-Villegas and J. A. Gálvez

Formula: C25H24INO4

Acta Cryst. (1999). C55, 1012-1014    [ doi:10.1107/S0108270199000670 ]

An investigation of 2,4'-dihydroxy-3,3'-dimethoxy-5'-methylstilbene using X-ray crystallography and NMR spectroscopy

S. Li, K. Lundquist and R. Stomberg

Formula: C17H18O4

Acta Cryst. (1999). C55, 1014-1016    [ doi:10.1107/S0108270199002437 ]


Y. Ohno, Y. Akutsu, M. Arai, M. Tamura and T. Matsunaga

Formula: C2H4N4

Acta Cryst. (1999). C55, 1016-1019    [ doi:10.1107/S0108270199002553 ]

Crystallographic evidence for the electronic distribution in (2,4-cyclopentadien-1-ylidenehydrazono)triphenylphosphorane

F. Minutolo, S. R. Wilson and J. A. Katzenellenbogen

Formula: C23H19N2P

Acta Cryst. (1999). C55, 1019-1020    [ doi:10.1107/S0108270199002218 ]

The N-phenylamide of 2-cyano-5-phenylpent-2-en-4-ynoic acid

O. Ya. Borbulevych, I. R. Golding, A. B. Kharitonkin, O. V. Shishkin and Y. G. Gololobov

Formula: C18H12N2O

Acta Cryst. (1999). C55, 1020-1023    [ doi:10.1107/S010827019900102X ]

Study of a diastereoisomeric dihydrothiophene derivative at 150K

M. J. Diánez, M. D. Estrada, A. López-Castro and S. Pérez-Garrido

Formula: C41H45N3O14S

Acta Cryst. (1999). C55, 1023-1025    [ doi:10.1107/S0108270199002449 ]

N-tert-Butoxycarbonyl-N,N'-ethylene-bridged (S)-tyrosyl-(S)-tyrosine methyl ester

K. Yamato, H. Miyake, K. Hirotsu and Y. Kojima

Formula: C26H32N2O7

Acta Cryst. (1999). C55, 1025-1027    [ doi:10.1107/S0108270199002504 ]

Absolute configuration of the active stereoisomer of new rice fungicide Carpropamid

M. Koketsu, S. Kagabu and M. Matsuoka

Formula: C15H18Cl3NO

Acta Cryst. (1999). C55, 1027-1029    [ doi:10.1107/S0108270199002267 ]


O. Bozdag-Dundar, B. Dundar, E. Buyukbingol and M. R. Caira

Formula: C20H25NO2S

Acta Cryst. (1999). C55, 1029-1031    [ doi:10.1107/S0108270199004369 ]


H. Novoa de Armas, N. M. Blaton, O. M. Peeters, C. J. De Ranter, M. S. Navarro, Y. V. Reyes, E. O. Rodríguez and E. S. Solano

Formula: C14H17NO2

Acta Cryst. (1999). C55, 1031-1034    [ doi:10.1107/S010827019900013X ]

Triterpenoide. XIV. [2,3-d]Isoxazoltriterpenderivate

A. Gzella, E. Linkowska, L. Zaprutko and U. Wrzeciono

Formula: C32H47NO3 and C31H47NO2

Acta Cryst. (1999). C55, 1034-1037    [ doi:10.1107/S0108270199002450 ]

Dimorphism of 2,3,5,6-tetraphenylpyrazine

R. Bartnik, R. Faure and K. Gebicki

Formula: Two forms of C28H20N2

Acta Cryst. (1999). C55, 1037-1040    [ doi:10.1107/S0108270199002462 ]

A new orthorhombic phase of N,N'-diphenylguanidine

J. A. Paixão, A. Matos Beja, P. S. Pereira Silva, M. Ramos Silva and L. Alte da Veiga

Formula: C13H13N3

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