Acta Crystallographica Section C

Crystal Structure Communications

Volume 55, Part 4 (April 1999)


Cover illustration Cover illustration: \[N(CH3)4\]4H12Ge9O26.14H2O, see Tripathi, Young Jr, Johnson, Cahill & Parise, pages 496-499. Displacement ellipsoids are shown at the 75% probability level.

cif-access (inorganic compounds)



Acta Cryst. (1999). C55, IUC9900034    [ doi:10.1107/S0108270199099710 ]

Hexasodium tetrahydrogen bis(triaquanickelo)icosatungstodibismuthate(III)(10 -) 36-hydrate

C. Rosu and T. J. R. Weakley

Synopsis: The anion in the title compound, prepared in aqueous solution from Ni2+ and preformed [Bi2W22O74(OH)2]12-, is identical to the anion obtained as the Na10 salt from Bi3+, WO42- and Ni2+ [Rodewald & Jeannin (1998). C. R. Acad. Sci. Ser. IIc, 1, 175-181].

Formula: Na6H4[Bi2Ni2W20O70(H2O)6]36H2O


cif-access (metal-organic compounds)



Acta Cryst. (1999). C55, IUC9900028    [ doi:10.1107/S0108270199099709 ]

trans-Dichlorobis(methyldiphenylphosphine-P)palladium(II)

I. Y. Guzman-Jimenez and K. H. Whitmire

Synopsis: The title compound, trans-[PdCl2(PPh2Me)2], was obtained serendipitously. The Pd atom lies on an inversion center, with distances Pd-Cl of 2.3045(9) and Pd-P of 2.3306(12)Å, and a Cl-Pd-P angle of 89.72(3)°.

Formula: [PdCl2(C13H13P)2]



Acta Cryst. (1999). C55, IUC9900031    [ doi:10.1107/S0108270199099692 ]

Redetermination of bis[(acetato-O,O')bis(triphenylphosphine-P)silver(I)] monohydrate sesquiethanol solvate

J. V. Hanna and S. W. Ng

Synopsis: The structure of the title compound has been redetermined and shown to be a mixed water-ethanol solvate rather than the hydrate reported previously [Ng & Othman (1997). Acta Cryst. C53, 1396-1400].

Formula: 2[Ag(C2H3O)(C18H15P)2]1.5C2H6OH2O



Acta Cryst. (1999). C55, IUC9900029    [ doi:10.1107/S0108270199099680 ]

(Nitrito-O,O')bis(triphenylphosphine-P)silver(I)

J. V. Hanna and S. W. Ng

Synopsis: In the unsolvated crystal structure of the title compound, the nitrito ligand is symmetrically bonded to the silver ion, in contrast to the unsymmetrical coordination reported previously for the dichloromethane solvate.

Formula: [Ag(NO2)(C18H15P)2]



Acta Cryst. (1999). C55, IUC9900032    [ doi:10.1107/S0108270199099679 ]

Tricarbonylbis(1,2,3-triphenyl-1,3-diazaallyl)tungsten(IV)

K. A. Abboud, Y. He and L. McElwee-White

Synopsis: In the title compound, the metal center has a distorted pentagonal-bipyramidal geometry, with angles in the pentagonal plane ranging from 70.5(1) to 149.2(1)°. The W-C bond lengths are in the range 1.991(3)-1.999(3)Å, and the W-N bond lengths are in the range 2.149(2)-2.215(3)Å. The six phenyl rings have average C-C bond lengths ranging from 1.382(5) to 1.390(5)Å.

Formula: [W(C19H15N2)2(CO)3]


cif-access (organic compounds)



Acta Cryst. (1999). C55, IUC9900024    [ doi:10.1107/S0108270199099667 ]

(-)-3-p-Menthyl tosylate

A. Degen and M. Bolte

Synopsis: The title compound, 2-isopropyl-5-methyl-cyclohexyl toluene-4-sulfonate, belongs to the group of cyclohexane benzenesulfonates. In this group of compounds, the torsion angle between the two rings never has a trans conformation.

Formula: C17H26O3S



Acta Cryst. (1999). C55, IUC9900021    [ doi:10.1107/S0108270199099655 ]

Ethyl 4-allyl-4-oxo-1,2,3,4-tetrahydroquinoxalin-2-ylideneacetate

S. Sersra, E.-M. Essassi, B. El-Bali and M. Bolte

Synopsis: The title compound contains a quinoxaline ring system, which is used as a building block for colourants, stabilizers in the food industry, bactericides and tranquilizers.

Formula: C15H16N2O3



Acta Cryst. (1999). C55, IUC9900037    [ doi:10.1107/S0108270199099643 ]

Diethyl 2-anthracen-9-ylmethylenemalonate

M. Elazami, N. Bitit, A. Kerbal, M. Fahim, B. El-Bali and M. Bolte

Synopsis: The title compound contains an anthracene ring system with an ethylene group attached at position 9. The angle between the aromatic ring system and the ethylene moiety is 68.06(5)°.

Formula: C22H20O4



Acta Cryst. (1999). C55, IUC9900025    [ doi:10.1107/S0108270199099631 ]

(1H-Imidazol-2-yl)phenyldiazene

H.-K. Fun, K. Chinnakali, X.-F. Chen, X.-H. Zhu and X.-Z. You

Synopsis: The title compound exists as the trans isomer. The dihedral nobreak angle between the phenyl and imidazole rings is 18.4(1)° and the N=N bond distance is 1.258(2)Å. In the solid state, N-H...N intermolecular hydrogen bonds link the molecules to form an infinite one-dimensional chain along the [101] direction.

Formula: C9H8N4



Acta Cryst. (1999). C55, IUC9900026    [ doi:10.1107/S010827019909962X ]

5-Hydroxycyclooctanone O-methyloxime at 293K

R. Boese, P. Rademacher, D. Bläser, R. Latz and A. Bäumen

Synopsis: The title compound belongs to the family of 5-substituted cyclooctanone derivatives having a boat-chair conformation. The packing is characterized by stacks of hydrogen-bonded dimers.

Formula: C9H17NO2



Acta Cryst. (1999). C55, IUC9900023    [ doi:10.1107/S0108270199099618 ]

Dispiro[2.1.2.1]octane at 103K

R. Boese, D. Bläser, R. Latz and A. Bäumen

Synopsis: In the title strained dispiro compound, the cyclobutane unit is planar. The cyclopropane units are perpendicular to the cyclobutane plane.

Formula: C8H12



Acta Cryst. (1999). C55, IUC9900036    [ doi:10.1107/S0108270199099606 ]

2,3,4,5,7,7,8,8,-Octafluorobicyclo[4.2.0]octa-1,3,5-triene at 125K

R. Boese, D. Bläser, R. Latz and A. Bäumen

Synopsis: The title compound belongs to the family of benzo-annulated cyclobutenes. Perfluorination of 1,2-dihydrocyclobutabenzene leads to essentially the same geometry as the parent hydrocarbon. Bond localization due to the Mills-Nixon effect in the direction of one of the Kekule forms cannot be found.

Formula: C8F8



Acta Cryst. (1999). C55, IUC9900022    [ doi:10.1107/S010827019909959X ]

6-Chloro-1H-2,3,4,5-tetrahydroazepino[3,2-c]quinoline

I. Bureau, J. Chardon, A. Leclaire, A. Hinschberger and S. Rault

Synopsis: The title compound was obtained by reaction of pyrido[2,1-c][1,4]benzodiazepine in boiling phosphorus oxychloride with a catalytic amount of pyridine under microwave heating. Its structure determination establishes the mechanism of the reaction, which was otherwise uncertain.

Formula: C13H13ClN2



Acta Cryst. (1999). C55, IUC9900027    [ doi:10.1107/S0108270199099588 ]

1[alpha],4[alpha],4a[beta],9[beta],10[beta],10a[beta]-Hexahydro-9,10-epithioanthracene-1,4-diol

J. W. Bats, N. H. Krämer and H. F. G. Linde

Synopsis: The title molecule is U-shaped. The molecules are connected by O-H...S and O-H...O hydrogen bonds to give a two-dimensional network.

Formula: C14H14O2S



Acta Cryst. (1999). C55, IUC9900033    [ doi:10.1107/S0108270199099576 ]

2,4-Bis(triphenylphosphino)-closo-decaborane-dichloromethane (1/1)

H.-J. Yao, C.-H. Hu, J.-M. Dou, R.-S. Jin and P.-J. Zheng

Synopsis: The title compound, 2,4-(PPh3)B10H8.CH2Cl2, has a closo-decaborane framework in which two triphenylphosphine groups substitute two equatorial H atoms, with B-P bond lengths of 1.927 (4) and 1.910 (4) Å.

Formula: C36H38B10P2CH2Cl2



Acta Cryst. (1999). C55, IUC9900035    [ doi:10.1107/S0108270199099564 ]

4-[3-(4-Iodophenylmethoxy)propyl]-1H-imidazolium hydrogen maleate (iodoproxyfan hydrogen maleate)

J. T. Kovalainen, E. Wegelius, J. A. M. Christiaans, J. Huuskonen and J. Gynther

Synopsis: The title compound crystallizes as a salt with hydrogen maleate. The iodoproxyfan cation is nearly planar and it forms N-H...O hydrogen bonds with two neighbouring hydrogen maleate anions.

Formula: C13H16IN2O+C4H3O4-



Acta Cryst. (1999). C55, IUC9900030    [ doi:10.1107/S0108270199099552 ]

(RS,SR)-N,N'-Bis(2-hydroxybenzyl)-1,2-diphenylethylenediamine

G. Hoshina, S. Ohba and M. Tsuchimoto

Synopsis: The title compound, 2,2'-[(RS,SR)-3,4-diphenyl-2,5-diazahexamethylene]diphenol, which is a tetradentate Schiff base ligand, was prepared and the structure determined in order to investigate the conformation in a metal-free condition. In the crystals, the molecule has a center of symmetry and there is an intramolecular O-H...N hydrogen bond within each salicylideneimine unit.

Formula: C28H28N2O2



Acta Cryst. (1999). C55, IUC9900020    [ doi:10.1107/S0108270199099540 ]

L-Menthyl ester of highly estrogenic (-)-(Z)-bisdehydrodoisynolic acid 3-methyl ether

P. D. Robinson, Y. Hou, C. Y. Meyers, S. Adler, W. J. Banz and T. A. Winters

Synopsis: The X-ray structure of highly estrogenic (-)-(Z)-bisdehydro- doisynolic acid, obtained via the L-menthyl ester of its 3-methyl ether, i.e. L-menthyl (-)-(1R,2S)-1-ethyl-7-methoxy-2-methyl-1,2,3,4-tetrahydrophenanthrene-2-carboxylate, shows that its configuration is 1R,2S and its three fused rings are nearly coplanar.

Formula: C29H40O3


inorganic compounds



Acta Cryst. (1999). C55, 479-481    [ doi:10.1107/S0108270198016096 ]

Gd3GaO6 by X-ray powder diffraction

H. Yamane, T. Sakamoto, S.-I. Kubota and M. Shimada

Synopsis: Gd3GaO6 is isostructural with Er3GaS6 (Cmc21). It contains distorted GaO4 tetrahedra and Gd atoms are in two sites of sevenfold coordination.

Formula: Gd3GaO6



Acta Cryst. (1999). C55, 481-483    [ doi:10.1107/S0108270198017375 ]

SrFeP2O7, a new homologue in the AMP2O7 series

J.-M. Le Meins and G. Courbion

Synopsis: Strontium iron diphosphate was obtained from hydrothermal synthesis and its structure determined by single-crystal X-ray diffraction analysis. The main crystallographic feature is the 4+1 square-pyramidal coordination polyhedron around the Fe atom. The structure is built up from corner-sharing [FeO5] pyramids and [P2O7] bitetrahedral units.

Formula: SrFeP2O7



Acta Cryst. (1999). C55, 483-485    [ doi:10.1107/S0108270198015881 ]

Ta5Sb4

S. K. Kang and G. J. Miller

Synopsis: Ta5Sb4 adopts the Ti5Te4 structure type, which consists of chains of vertex-sharing Ta6Sb8 face-capped octahedra.

Formula: Ta5Sb4



Acta Cryst. (1999). C55, 485-487    [ doi:10.1107/S0108270198013602 ]

Strontium tetramolybdate dihydrate, SrMo4O13.2H2O

W. T. A. Harrison

Synopsis: SrMo4O13.2H2O is built up from layers of edge- and vertex-sharing MoO6 and MoO5 groups. Inter-layer Sr2+ cations and water molecules complete the structure, which is isostructural with that of BaMo4O13.2H2O.

Formula: SrMo4O132H2O


metal-organic compounds



Acta Cryst. (1999). C55, 488-489    [ doi:10.1107/S0108270198014826 ]

[bold mu]-Oxo-bis[N,N'-ethylenebis(2-thioacetophenonidenimine)iron(III)]

P. Karsten and J. Strähle

Formula: [Fe2O(C18H18N2S2)2]



Acta Cryst. (1999). C55, 489-491    [ doi:10.1107/S0108270198016485 ]

Bis([bold mu]-3,7-diethyl-3,7-diazanonane-1,9-dithiolato)dimanganese(II)

J. Schneider, B. Schnautz, R. Hauptmann and G. Henkel

Formula: [Mn2(C11H24N2S2)2]



Acta Cryst. (1999). C55, 491-494    [ doi:10.1107/S0108270198015340 ]

catena-Poly[[[diaqua(pyridine-2-carboxamide-N1,O)copper(II)]-[bold mu]-(sulfato-O:O')] monohydrate]

L. Sieron and M. Bukowska-Strzyzewska

Formula: [Cu(SO4)(C6H6N2O)(H2O)2]H2O



Acta Cryst. (1999). C55, 494-496    [ doi:10.1107/S0108270198016345 ]

[Bis(diphenylphosphino)methane]dinitratopalladium(II) tris(deuteriochloroform) solvate

N. P. Rath, R. A. Stockland Jnr and G. K. Anderson

Formula: [Pd(NO3)2(C25H22P2)]3CDCl3



Acta Cryst. (1999). C55, 496-499    [ doi:10.1107/S0108270198014838 ]

[N(CH3)4]4H12Ge9O26.14H2O

A. Tripathi, V. G. Young Jnr, G. M. Johnson, C. L. Cahill and J. B. Parise

Synopsis: The {Ge9O14(OH)12}4- cluster contains a central GeO6 octahedron corner-linked to four GeO4 tetrahedra, which are in turn corner-linked to an adjacent tetrahedron and a GeO5 trigonal bipyramid. Each of the four trigonal bipyramids shares a common edge with another, and one vertex of each edge is connected to the central octahedron.

Formula: (C4H12N)4[H12Ge9O26]14H2O



Acta Cryst. (1999). C55, 499-501    [ doi:10.1107/S0108270198011561 ]

Complexe de cuivre(II) diamino-1,2-(cyclohexane diacétatodiacétique) trihydrate

F. Ben Amor et T. Jouini

Formula: [Cu(C14H20N2O8)]3H2O



Acta Cryst. (1999). C55, 501-503    [ doi:10.1107/S0108270198016461 ]

Tris(ethylenediamine-N,N')nickel(II) tetrathiomolybdate

J. Ellermeier, C. Näther and W. Bensch

Formula: [Ni(C2H8N2)3][MoS4]



Acta Cryst. (1999). C55, 503-506    [ doi:10.1107/S010827019801186X ]

1,1'-Bis(3-phenylquinoxalin-2-yl)ferrocene dichloromethane solvate

S. Z. Ahmed, C. Glidewell and G. Ferguson

Formula: [Fe(C19H13N2)2]0.9CH2Cl2



Acta Cryst. (1999). C55, 506-508    [ doi:10.1107/S0108270198015856 ]

The oxotungsten(IV) complex [WOCl(Ph2PCH2CH2PPh2)2]PF6.CHCl3

R. Llusar, J. Mata, E. Peris and M. Köckerling

Formula: [WOCl(C26H24P2)2]PF6CHCl3



Acta Cryst. (1999). C55, 508-510    [ doi:10.1107/S0108270198015406 ]

Zinc(II) complexes of bidentate Schiff base ligands containing methoxyphenyl and nitrophenyl groups

L. Tatar, D. Ülkü and O. Atakol

Formula: [Zn(C13H9N2O3)2] and [Zn(C14H12NO2)2]



Acta Cryst. (1999). C55, 511-513    [ doi:10.1107/S0108270198014334 ]

Bis{([bold mu]-acetato)[[bold mu]-bis(salicylidene)-1,3-propanediaminato]copper(II)}copper(II) dioxane solvate

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

Formula: [Cu3(C2H3O2)2(C17H16N2O2)2]C4H8O2



Acta Cryst. (1999). C55, 513-517    [ doi:10.1107/S0108270198016424 ]

Copper(II) 2-thiopheneglyoxylate adducts with pyridine derivatives

K. Nakasa, H. Nakagawa, Y. Kani, M. Tsuchimoto and S. Ohba

Formula: [Cu(C6H3O3S)2(C5H5N)2], [Cu2(C6H3O3S)4(C6H7N)2]H2O and [Cu(C6H3O3S)2(C6H7N)2]



Acta Cryst. (1999). C55, 517-521    [ doi:10.1107/S010827019801511X ]

[bold mu]-Oxo-bis{bis[2,2'-bi(1H-imidazole-N3)]oxorhenium(V)} tetrachloride hexahydrate

S. Bélanger and A. L. Beauchamp

Formula: [Re2O3(C6H6N4)4]Cl46H2O



Acta Cryst. (1999). C55, 521-523    [ doi:10.1107/S0108270198014851 ]

K2[MoO3(C2O4)].H2O

Y.-H. Xing, Z. Wang, J.-Q. Xu, D.-M. Li, R.-Z. Wang, W.-M. Bu, L. Ye, X. Yan, Y.-H. Lin and H.-Q. Jia

Formula: K2[MoO3(C2O4)]H2O



Acta Cryst. (1999). C55, 523-531    [ doi:10.1107/S0108270198014991 ]

Coordination complexes of triphenyltin coumarin-3-carboxylate with O-donor ligands: (coumarin-3-carboxylato)triphenyltin-L (L = ethanol, diphenylcyclopropenone and quinoline N-oxide) and bis[(coumarin-3-carboxylato)triphenyltin]-L (L = triphenylphosphine oxide and triphenylarsine oxide)

S. W. Ng

Formula: Five complexes of Sn(C6H5)3(C10H5O4)



Acta Cryst. (1999). C55, 531-533    [ doi:10.1107/S0108270198014875 ]

Monooxovanadium(V) complexes with bidentate N-phenylbenzohydroxamate

W. Chen, S. Gao and S.-X. Liu

Formula: [VO(C12H12N2O2)(C13H10NO2)] and [VO(C10H9NO3)(C13H10NO2)]



Acta Cryst. (1999). C55, 534-536    [ doi:10.1107/S0108270198016084 ]

A one-dimensional coordination polymer of manganese(II) with N-(2-hydroxyethyl)iminodiacetate: {[Mn(Hheidi)(H2O)].H2O}n

Y.-Q. Liu, Y.-G. Wei, Q. Liu, S.-W. Zhang and M.-C. Shao

Formula: [Mn(C6H9NO5)(H2O)]H2O



Acta Cryst. (1999). C55, 536-538    [ doi:10.1107/S0108270198014772 ]

5-(8,8-Dicyanoheptafulven-3-yl)-2-hydroxy-1,3-xylyl-18-crown-5 potassium salt monohydrate

S. Matsumoto, K. Yumura, H. Otani and J. Mizuguchi

Formula: [K(C26H27N2O6)]H2O



Acta Cryst. (1999). C55, 539-541    [ doi:10.1107/S0108270198014395 ]

Potassium methoxyacetate tetrahydrate

A. W. Apblett and E. M. Holt

Synopsis: Potassium methoxyacetate tetrahydrate forms a network complex in which the K atoms are nine-coordinate.

Formula: K+C3H5O34H2O



Acta Cryst. (1999). C55, 541-543    [ doi:10.1107/S0108270198014905 ]

Chloro(diethyl dithiophosphato-S,S')(triphenylphosphine-P)palladium(II)

K. Panneerselvam, T.-H. Lu, S.-F. Tung, S. Narayan and V. K. Jain

Formula: [PdCl(C4H10O2PS2)(C18H15P)]



Acta Cryst. (1999). C55, 543-545    [ doi:10.1107/S0108270198017594 ]

trans-Diaqua(C-meso-1,5,8,12-tetramethyl-1,4,8,11-tetraazacyclotetradecane-[bold kappa]4N)nickel(II) dichloride

K. Panneerselvam, T.-H. Lu, T.-Y. Chi, F.-L. Liao and C.-S. Chung

Formula: [Ni(C14H32N4)(H2O)2]Cl2



Acta Cryst. (1999). C55, 545-547    [ doi:10.1107/S0108270199000153 ]

trans-Diaquabis(benzoato-O)bis(nicotinamide-N1)cobalt(II)

T. Hökelek and H. Necefouglu

Formula: [Co(C7H5O2)2(C6H6N2O)2(H2O)2]



Acta Cryst. (1999). C55, 547-549    [ doi:10.1107/S0108270198017442 ]

Caesium 5-(2-cyanoethylthio)-2-thioxo-1,3-dithiole-4-thiolate

K. B. Simonsen, O. Simonsen and J. Becher

Formula: Cs+C6H4NS5-



Acta Cryst. (1999). C55, 549-551    [ doi:10.1107/S0108270198017636 ]

Tetrakis(tetrabutylammonium) tetrakis[(p-cyanophenyl)trioxoarsonato]tetratriacontaoxododecamolybdate(4 -)

B. J. S. Johnson, C. E. Buss, V. G. Young Jnr and A. Stein

Formula: (C16H36N)4[{As(C7H4N)}4Mo12O46]



Acta Cryst. (1999). C55, 551-553    [ doi:10.1107/S0108270198014553 ]

Aquadiisothiocyanato(N,N,N',N'-tetramethylethylenediamine-N,N')copper(II)

V. Vrábel, J. Garaj, J. Sivý and D. Oktavec

Formula: [Cu(NCS)2(C6H16N2)(H2O)]



Acta Cryst. (1999). C55, 553-555    [ doi:10.1107/S0108270199000116 ]

Diaquabis(pyridazin-1-ium-3,6-dicarboxylato-N2,O3)copper(II) dihydrate

S. Sobanska, M. Lagrenee, J.-P. Wignacourt and E. M. Holt

Formula: [Cu(C6H3N2O4)2(H2O)2]2H2O



Acta Cryst. (1999). C55, 555-557    [ doi:10.1107/S0108270199000311 ]

(1-Phenyl-1H-1,2,3,4-tetrazole-5-thiolato-S)bis(triphenylphosphine)silver(I) methanol solvate

K. C. Molloy, M. F. Mahon and M. C. Barret

Formula: [Ag(C7H5N4S)(C18H15P)2]CH4O



Acta Cryst. (1999). C55, 557-558    [ doi:10.1107/S0108270198016795 ]

[3,3'-Iminobis(N,N-dimethylpropylamine)](4'-methoxyflavonolato)zinc(II) perchlorate, [Zn(4'-MeOfla)(idpaH)]ClO4

É. Balogh-Hergovich, J. Kaizer, G. Speier, G. Huttner and P. Rutsch

Formula: [Zn(C16H11O4)(C10H25N3)]ClO4


organic compounds



Acta Cryst. (1999). C55, 559-561    [ doi:10.1107/S0108270198014978 ]

Diosbulbin B, a constituent of Dioscorea pentaphylla

A. Singh, V. S. Parmar, W. Errington, O. W. Howarth and S. Lawrie

Formula: C19H20O6



Acta Cryst. (1999). C55, 561-563    [ doi:10.1107/S0108270198015121 ]

3-Cyano-5-(4-methoxybenzyl)-6-(4-methoxyphenyl)-4-methylthio-2H-pyran-2-one

R. Kumar, V. S. Parmar and W. Errington

Formula: C22H19NO4S



Acta Cryst. (1999). C55, 563-566    [ doi:10.1107/S0108270198017417 ]

(±)-3-Oxo-1,2,3,9,10,10a-hexahydrophenanthrene-10a-carboxylic acid: catemeric hydrogen bonding in a [bold delta]-keto acid

A. J. Miller, A. P. J. Brunskill, R. A. Lalancette and H. W. Thompson

Formula: C15H14O3



Acta Cryst. (1999). C55, 566-568    [ doi:10.1107/S0108270198014231 ]

Santonic acid: catemeric hydrogen bonding in a [bold gamma],[bold epsilon]-diketo carboxylic acid

A. P. J. Brunskill, H. W. Thompson and R. A. Lalancette

Formula: C15H20O4



Acta Cryst. (1999). C55, 568-572    [ doi:10.1107/S0108270198017405 ]

(±)-1-Indanone-2-acetic and -2-propionic acids: catemeric versus dimeric hydrogen bonding in homologous [bold gamma]- and [bold delta]-keto acids

R. A. Lalancette, A. P. J. Brunskill and H. W. Thompson

Formula: C11H10O3 and C12H12O3



Acta Cryst. (1999). C55, 573-574    [ doi:10.1107/S010827019801573X ]

Bis(dipropylthiocarbamoyl) disulfide

F. Jian, L. Jiang, H.-K. Fun, K. Chinnakali, I. A. Razak and X. You

Formula: C14H28N2S4



Acta Cryst. (1999). C55, 574-576    [ doi:10.1107/S0108270198015893 ]

p-Hydroxybenzaldehyde nicotinoylhydrazone monohydrate

H.-K. Fun, K. Chinnakali, I. A. Razak, Z.-L. Lu and B.-S. Kang

Formula: C13H11N3O2H2O



Acta Cryst. (1999). C55, 576-578    [ doi:10.1107/S0108270198017430 ]

Tamarixetin monohydrate

N. S. Shuib, T. W. Sam, K. C. Wong, K. Chinnakali and H.-K. Fun

Formula: C16H12O7H2O



Acta Cryst. (1999). C55, 579-581    [ doi:10.1107/S0108270198014139 ]

2-Acetylamino-6-methylpyridine N-oxide monohydrate

S. Goswami, K. Ghosh, A. K. Mahapatra, G. D. Nigam, K. Chinnakali and H.-K. Fun

Formula: C8H10N2O2H2O



Acta Cryst. (1999). C55, 581-582    [ doi:10.1107/S0108270198013808 ]

3-(2-Chlorophenyl)-4-phenyl-1,2,4-triazole-5-thione

D. Kumaran, M. N. Ponnuswamy, G. Jayanthi, V. T. Ramakrishnan, K. Chinnakali and H.-K. Fun

Formula: C14H10ClN3S



Acta Cryst. (1999). C55, 583-585    [ doi:10.1107/S0108270198014127 ]

2-Aminopyrimidine-fumaric acid cocrystal

S. Goswami, A. K. Mahapatra, G. D. Nigam, K. Chinnakali, H.-K. Fun and I. A. Razak

Formula: C4H6N3+0.5C4H2O42-0.5C4H4O4



Acta Cryst. (1999). C55, 585-586    [ doi:10.1107/S0108270198015017 ]

5,10-Dimethoxy-1,4-methano-1,4,4a,11a-tetrahydrobenzo[b]fluoren-11-one oxime

K. Chinnakali, H.-K. Fun, D. Mal, N. K. Hazra, S. K. Ghorai and G. D. Nigam

Formula: C20H19NO3



Acta Cryst. (1999). C55, 587-588    [ doi:10.1107/S010827019801765X ]

2-Benzoyl-1-naphthyl benzoate

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

Formula: C24H16O3



Acta Cryst. (1999). C55, 588-590    [ doi:10.1107/S0108270198016643 ]

2-Hydroxy-5-methyl-2-oxo-6-phenyl-4-phosphonomethyl-1,4,2-oxazoniaphosphorinane

J.-F. Saint-Clair, F. Siméon, D. Villemin and M.-T. Averbuch-Pouchot

Formula: C11H17NO6P2



Acta Cryst. (1999). C55, 590-592    [ doi:10.1107/S0108270198014346 ]

1,3,4,6-Tetrathiapentalene-2,5-dione

H. Müller and M.-T. Averbuch

Formula: C4O2S4



Acta Cryst. (1999). C55, 592-594    [ doi:10.1107/S0108270198017399 ]

Redetermination of 2,3-dichloro-5,6-dicyano-1,4-dihydroxybenzene

G. Hoshina, S. Ohba and M. Tsuchimoto

Formula: C8H2Cl2N2O2



Acta Cryst. (1999). C55, 594-596    [ doi:10.1107/S0108270198017600 ]

N-Propylimidazolidinetrione and N-methyl-N'-phenylethylimidazolidinetrione

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

Formula: C6H8N2O3 and C12H12N2O3



Acta Cryst. (1999). C55, 596-599    [ doi:10.1107/S0108270198016394 ]

3,3,6,6-Tetramethyl-9-(3-nitrophenyl)-3,4,5,6,9,10-hexahydroacridine-1,8(2H,7H)-dione

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. Salfrán

Formula: C23H26N2O4



Acta Cryst. (1999). C55, 599-601    [ doi:10.1107/S0108270198016400 ]

Methyl 4[beta]-bromo-7[alpha]-cathyloxy-3-oxo-5[beta]-cholanoate

H. Novoa de Armas, N. M. Blaton, O. M. Peeters, C. J. De Ranter, R. Pomés Hernández, F. C. Manchado and R. P. Gil

Formula: C28H43BrO6



Acta Cryst. (1999). C55, 601-603    [ doi:10.1107/S0108270198016382 ]

(25R)-6[beta]-Acetoxy-3[beta]-bromo-5[alpha]-spirostan-23-one

H. Novoa de Armas, N. M. Blaton, O. M. Peeters, C. J. De Ranter, R. Pomés Hernández, M. A. I. Arteagas, R. P. Gil and F. C. Manchado

Formula: C29H43BrO5



Acta Cryst. (1999). C55, 603-604    [ doi:10.1107/S0108270198015248 ]

N6-Anisoyladenosine monohydrate

S. Kolappan and T. P. Seshadri

Formula: C18H19N5O6H2O



Acta Cryst. (1999). C55, 604-606    [ doi:10.1107/S0108270198015224 ]

N3-Benzoyl-2',3'-di-O-benzoyluridine

S. Kolappan and T. P. Seshadri

Formula: C30H24N2O9



Acta Cryst. (1999). C55, 606-608    [ doi:10.1107/S0108270198015236 ]

2'-O-Tosyladenosine

D. Prahadeeswaran and T. P. Seshadri

Formula: C17H19N5O6S



Acta Cryst. (1999). C55, 608-610    [ doi:10.1107/S0108270198015212 ]

2-Bromo-2,3-diphenylmethano-2,3-dihydronaphthoquinone

T. Oshima, K. Fukushima and T. Kawamoto

Formula: C23H15BrO2



Acta Cryst. (1999). C55, 610-612    [ doi:10.1107/S0108270198016126 ]

Absolute structure of an N-pentenoyl benzisothiazole

A. B. Hughes, M. F. Mackay and N. L. McCaffrey

Formula: C17H27NO3S



Acta Cryst. (1999). C55, 612-613    [ doi:10.1107/S010827019801484X ]

(R)-N-(1-Hydroxybut-2-yl)pyrrolidine-2,5-dione

T. Pilati, G. B. Kumar and A. C. Shah

Formula: C8H13NO3



Acta Cryst. (1999). C55, 614-615    [ doi:10.1107/S0108270198012827 ]

(+)-cis-3-Hydroxy-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine 1-oxide

P. Kumaradhas, N. Kalyanam, K. Ravikumar, K. C. Mohan, M. A. Sridhar, J. S. Prasad and K. A. Nirmala

Formula: C16H15NO4S



Acta Cryst. (1999). C55, 615-618    [ doi:10.1107/S0108270198016473 ]

3-Methyl-1-(1,2,3,4-tetrahydroisoquinolin-2-ylcarbonyl)imidazolium iodide

R. A. Batey, C. Yoshina-Ishii and A. J. Lough

Formula: C14H16N3O+I-



Acta Cryst. (1999). C55, 618-620    [ doi:10.1107/S0108270198016722 ]

1,2-Bis[2-(pyridin-2-yloxy)ethoxy]benzene

J. C. Bryan, L. H. Delmau, R. A. Sachleben and B. A. Moyer

Formula: C20H20N2O4



Acta Cryst. (1999). C55, 620-622    [ doi:10.1107/S0108270198012840 ]

A new strained angularly fused ring system: 8-hydroxy-1,2,3-trimethoxybenz[a]anthracene-7,12-dione

I. A. Guzei, A. Melekhov and G. A. Kraus

Formula: C21H16O6



Acta Cryst. (1999). C55, 622-624    [ doi:10.1107/S0108270198012748 ]

Spiro[1-azabicyclo[5.3.0]decane-6,2'(5'H)-furan]-5',10-dione: an example of kryptoracemic crystallization

V. M. Lynch, S. K. Bur and S. F. Martin

Formula: C12H15NO3



Acta Cryst. (1999). C55, 624-626    [ doi:10.1107/S0108270198017612 ]

N,N-Bis(p-nitrophenylsulfonyl)cyclohexylamine

J. S. Brunzelle, V. A. Curtis-Palmer and S. F. Pavkovic

Formula: C18H19N3O8S2



Acta Cryst. (1999). C55, 626-628    [ doi:10.1107/S010827019801453X ]

ap-9-(o-tert-Butylphenyl)-9-methylthiofluorene, the first isolated ap rotamer of a 9-substituted 9-(o-tert-butylphenyl)fluorene

C. Y. Meyers, Y. Hou and P. D. Robinson

Formula: C24H24S



Acta Cryst. (1999). C55, 628-630    [ doi:10.1107/S0108270198015339 ]

2,2'-Dibromobiphenyl

D. D. MacNeil and A. Decken

Formula: C12H8Br2



Acta Cryst. (1999). C55, 630-632    [ doi:10.1107/S010827019801378X ]

(E)-Dimethyl 4-isopropyl-3-[tris(trimethylsilyl)silylmethylene]-1,1-cyclohexanedicarboxylate

R. Moreno-Fuquen, L. M. Jaramillo-Gómez and J. Martín-Franco

Formula: C23H48O4Si4



Acta Cryst. (1999). C55, 632-633    [ doi:10.1107/S0108270198015455 ]

FF-[beta]-D-Arabinofuranosyluracil

A. Hempel, N. Camerman, J. Grierson, D. Mastropaolo and A. Camerman

Formula: C9H10F2N2O5



Acta Cryst. (1999). C55, 634-636    [ doi:10.1107/S0108270198014929 ]

2-Ethylthio-9-methyl-1,4-dihydroacridine-1,4-dione and 9-methyl-2-(4-tolylthio)-1,4-dihydroacridine-1,4-dione

L.-J. Baker, G. R. Clark, B. R. Copp, R. P. Hansen and C. J. Squire

Formula: C16H13NO2S and C21H15NO2S



Acta Cryst. (1999). C55, 636-637    [ doi:10.1107/S010827019801470X ]

N,N'-Bis(2-ammonioethyl)oxamide diperchlorate

C.-Y. Su, W.-J. Zhang and B.-S. Kang

Formula: C6H16N4O22+2ClO4-



Acta Cryst. (1999). C55, 637-639    [ doi:10.1107/S0108270198015728 ]

3,17-Dioxo-4-oxaandrostane-5[alpha]-carbaldehyde

L. C. R. Andrade, J. A. Paixão, M. J. de Almeida, E. J. Tavares da Silva, M. L. Sá e Melo and A. S. Campos Neves

Formula: C19H26O4



Acta Cryst. (1999). C55, 639-642    [ doi:10.1107/S0108270198013213 ]

2-(N,N-Dimethylamino)-6-hydroxy-1,4-naphthoquinone

A. C. Doriguetto, C. A. Santos, D. S. Raslan and N. G. Fernandes

Formula: C12H11NO3



Acta Cryst. (1999). C55, 642-644    [ doi:10.1107/S0108270198016692 ]

A fused furanoside-1,4-lactone at 173K

A. Linden, C. K. Lee and X. Li

Formula: C16H22O10



Acta Cryst. (1999). C55, 644-646    [ doi:10.1107/S0108270198015480 ]

Amino-11-undecanoic acid cyclic dimer hydrochloride

E. Escudero, J. A. Subirana and X. Solans

Formula: C22H43N2O2+Cl-



Acta Cryst. (1999). C55, 646-648    [ doi:10.1107/S0108270198014887 ]

3-Triphenylphosphoniopropionate dihydrate

S. W. Ng

Formula: C21H19O2P2H2O



Acta Cryst. (1999). C55, 648-650    [ doi:10.1107/S0108270198014565 ]

Butyldichloro(phenylethynyl)tellurium(IV)

J. Zukerman-Schpector, R. L. Camillo, M. J. Dabdoub, M. L. Begnini and I. Caracelli

Formula: C12H14Cl2Te



Acta Cryst. (1999). C55, 650-652    [ doi:10.1107/S0108270198015492 ]

Methyl (2S)-2-[(5R)-3,5-diphenyl-4,5-dihydro-1,2,4-oxadiazol-4-yl]-3-phenylpropanoate

J. Xu, X. Li, Z. Wang, Q. Yang and C. Yan

Formula: C24H22N2O3



Acta Cryst. (1999). C55, 652-653    [ doi:10.1107/S010827019801436X ]

3,5-Di-tert-butyl-1,2-benzoquinone

D.-N. Horng, J.-P. Chyn, K.-J. Shieh, J.-L. Chou and Y.-S. Wen

Formula: C14H20O2



Acta Cryst. (1999). C55, 654-656    [ doi:10.1107/S0108270198014516 ]

1-Chloro-2,4-dimorpholino-5-nitrobenzene

C. Zucco, A. Neves, I. Vencato, B. Szpoganicz and F. C. Bertoldi

Formula: C14H18ClN3O4



Acta Cryst. (1999). C55, 656-659    [ doi:10.1107/S0108270198015108 ]

Two novel optically active penam derivatives

A. Danilovski, M. Vinkovic and J. J. Herak

Formula: C15H17BrN2O3SH2O and C15H16N2OS



Acta Cryst. (1999). C55, 659-661    [ doi:10.1107/S0108270198013298 ]

Acefluoranthylene

M. Lutz, A. L. Spek, M. Sarobe and L. W. Jenneskens

Formula: C18H10



Acta Cryst. (1999). C55, 661-663    [ doi:10.1107/S0108270198015029 ]

Methyl 1,4,5,6-tetrahydro-2-methyl-4-(2-nitrophenyl)-6-oxopyridine-3-carboxylate

V. Kettmann and J. Svetlík

Formula: C14H14N2O5



Acta Cryst. (1999). C55, 664-668    [ doi:10.1107/S0108270199001274 ]

Polysulfonylamines. CX. Hydroxylammonium di(methanesulfonyl)amidate 1,4,7,10,13,16-hexaoxacyclooctadecane (1/1/1) and 2-aminopyridinium di(methanesulfonyl)amidate 1,4,7,10,13,16-hexaoxacyclooctadecane (1/1/1)

D. Henschel, K. Wijaya, P. G. Jones and A. Blaschette

Formula: H4NO+C2H6NO4S2-C12H24O6 andC5H7N2+C2H6NO4S2-C12H24O6



Acta Cryst. (1999). C55, 668-670    [ doi:10.1107/S0108270198017648 ]

2-(2,3-Diphenylpiperazin-1-yl)ethylammonium chloride

S. B. Majumder, M. Mukherjee, G. K. Patra, D. Datta and M. Helliwell

Formula: C18H24N3+Cl-



Acta Cryst. (1999). C55, 670-672    [ doi:10.1107/S0108270198016369 ]

L-Leucyl-L-leucine 2-methyl-1-propanol solvate

C. H. Görbitz

Formula: C12H24N2O3C4H10O



Acta Cryst. (1999). C55, 672-674    [ doi:10.1107/S0108270198016333 ]

4,4'-Bipyridyl at 203K

N. M. Boag, K. M. Coward, A. C. Jones, M. E. Pemble and J. R. Thompson

Formula: C10H8N2



Acta Cryst. (1999). C55, 675-677    [ doi:10.1107/S0108270198017454 ]

N-(2,2-Dimethoxyethyl)-N-{9-methoxymethyl-1,2,3,4-tetrahydrospiro[carbazole-1,2'-[1,3]dithiolan]-4-yl}benzamide

T. Hökelek and S. Patir

Formula: C27H32N2O4S2



Acta Cryst. (1999). C55, 677-678    [ doi:10.1107/S0108270198015947 ]

4-(4-Methylbenzoyl)-6-(4-methylbenzylidene)-3-phenyl-2-oxa-3-azabicyclo[3.3.0]oct-7-ene

F. Djapa, K. Ciamala, J. Vebrel, M. M. Kubicki and O. Blacque

Formula: C28H25NO2



Acta Cryst. (1999). C55, 678-680    [ doi:10.1107/S0108270198014930 ]

A flavone 1,4-dihydropyridine calcium antagonist

S. Özbey, E. Kendi, G. K. Ayhan and R. Ertan

Formula: C28H27NO6



Acta Cryst. (1999). C55, 681-683    [ doi:10.1107/S0108270198014218 ]

Nitrate salt of protonated 2-(diethylaminomethyl)phenol

A. Bouayad, M. Dartiguenave, L. Lamandé, ElH. El Ghadraoui and A. L. Beauchamp

Formula: C11H18NO+NO3-



Acta Cryst. (1999). C55, 683-685    [ doi:10.1107/S0108270198016734 ]

tert-Butylammonium hydrogen phenyl phosphate

S. Reinoso, P. Vitoria, M. Ugalde, J. M. Gutiérrez-Zorrilla, A. Luque and P. Román

Formula: C4H12N+C6H6PO4-



Acta Cryst. (1999). C55, 685-687    [ doi:10.1107/S010827019801227X ]

7,11b-Dihydro-9,10-dimethoxy-3,11b-diphenyl[1,2,4]oxadiazolo[5,4-a][2,3]benzodiazepin-6(5H)-one

G. Bruno, A. Chimirri, R. Gitto, F. Nicoló and R. Scopelliti

Formula: C24H21N3O4



Acta Cryst. (1999). C55, 687-689    [ doi:10.1107/S0108270198016114 ]

(1S,RS)-6,7-Dimethoxy-N-methyl-1-(p-tolylsulfinylmethyl)-1-trifluoromethyl-1,2,3,4-tetrahydroisoquinoline

P. Bravo, E. Corradi, M. Crucianelli, S. V. Meille and M. Zanda

Formula: C21H24F3NO3S



Acta Cryst. (1999). C55, 689-691    [ doi:10.1107/S0108270198015157 ]

1-Acetyl-2-(3,3-dimethyl-2-butylidene)hydrazine: a monoclinic crystal structure with local orthorhombic pseudosymmetry

J. W. Bats, M. A. Grundl and A. S. K. Hashmi

Formula: C8H16N2O



Acta Cryst. (1999). C55, 691-693    [ doi:10.1107/S0108270198014656 ]

1-Methyl-4-(N-methylnitramino)pyridinium bromide

J. Zaleski, Z. Daszkiewicz and J. Kyziol

Formula: C7H10N3O2+Br-



Acta Cryst. (1999). C55, 693-695    [ doi:10.1107/S0108270198015169 ]

4-(4-Biphenyl)-2,3,5,6-tetrafluoropyridine, a new material for application in light-emitting diodes

R. Resel, P. Thurner, H. Kahlert, H. Völlenkle, B. Winkler, R. Müllner, F. Stelzer, D. Tunega and G. Leising

Formula: C17H9F4N



Acta Cryst. (1999). C55, 695-696    [ doi:10.1107/S0108270198016448 ]

Ethylenebis(phosphonic acid)

J. Bruckmann, C. Krüger, C. W. Lehmann, W. Leitner, J. Rust and C. Six

Formula: C2H8O4P2



Acta Cryst. (1999). C55, 697-698    [ doi:10.1107/S0108270198016060 ]

A Schiff base formed from sulfanilic acid and dimethylformamide

A. Hempel, N. Camerman, D. Mastropaolo and A. Camerman

Formula: C9H12N2O3SH2O



Acta Cryst. (1999). C55, 698-700    [ doi:10.1107/S0108270198018496 ]

Tri-p-tolyl-1,3,5-triazine

V. R. Thalladi, M. Muthuraman, A. Nangia and G. R. Desiraju

Formula: C24H21N3


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