Acta Crystallographica Section C

Crystal Structure Communications

Volume 56, Part 7 (July 2000)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: View of (cis-6,13-dimethyl-1,4,8,11-tetraazacyclotetradecane-6,13-diamine-[kappa]6N)nickel(II) diperchlorate, with ellipsoids at the 30% probability level. The perchlorate anions are not shown. See Bernhardt [Acta Cryst. C56, 744-746].

inorganic compounds


 

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Acta Cryst. (2000). C56, 729-730  [ doi:10.1107/S010827010000408X ]

Octasodium hexatungstomanganate(IV) octadecahydrate

A. L. Nolan, R. C. Burns, G. A. Lawrance and D. C. Craig

Synopsis: The single-crystal structure of the title compound shows the anion to have the Anderson structure based on six WO6 octahedral edge-sharing units surrounding a central MnO6 octahedron. Varying interactions from the O atoms of the MnO6 octahedron to surrounding water molecules result in differences in the Mn-O distances.

Formula: Na8[MnW6O24]·18H2O

Online July 2000


 

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Acta Cryst. (2000). C56, 731-734  [ doi:10.1107/S0108270100004960 ]

The structures of the [alpha]-alums RbCr(SO4)2·12H2O and CsCr(SeO4)2·12H2O at 293 and 12 K

B. N. Figgis, P. A. Reynolds and A. N. Sobolev

Synopsis: Precise X-ray structural determinations of two Cr3+ [alpha]-alums are presented, each at 293 and at 12 K.

Formula: RbCr(SO4)2·12H2O and CsCr(SeO4)2·12H2O

Online July 2000


 

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Acta Cryst. (2000). C56, 735-737  [ doi:10.1107/S0108270100005369 ]

Cs2K[Mn(CN)6] at 293, 85 and 10 K

B. N. Figgis, A. N. Sobolev, E. S. Kucharski and V. Broughton

Synopsis: Precise X-ray structural determinations of Cs2K[Mn(CN)6] at 293, 85 and 10 K have been performed. The centrosymmetric [Mn(CN)6]3- anion has very close to regular octahedral stereochemistry.

Formula: Cs2K[Mn(CN)6] at 293, 85 and 10 K

Online July 2000


 

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Acta Cryst. (2000). C56, 738-739  [ doi:10.1107/S010827010000545X ]

K2TiSi3O9·H2O

X. Zou and M. S. Dadachov

Synopsis: The structure of dipotassium titanium trisilicate hydrate has been refined and the hydrogen-bonding geometry elucidated. The structure is a three-dimensional mixed framework with channels formed by six- and eight-membered rings. K+ ions and water molecules are located in the channels.

Formula: K2TiSi3O9·H2O

Online July 2000


 

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Acta Cryst. (2000). C56, 740-741  [ doi:10.1107/S0108270100005448 ]

(NH4)4Na2[V10O28]·10H2O

D. Fratzky, M. Schneider, S. Rabe and M. Meisel

Synopsis: The title structure contains typical centrosymmetric OV6 double octahedra and centrosymmetric pairs of edge-shared NaO6 double octahedra forming a layered structure.

Formula: (NH4)4[Na2(H2O)10][V10O28]

Online July 2000


metal-organic compounds


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Acta Cryst. (2000). C56, 742-743  [ doi:10.1107/S0108270100003462 ]

Bis(2-aminopyridine-N)bis(benzoato-O)zinc

S. Shanmuga Sundara Raj, H.-K. Fun, P.-S. Zhao, F.-F. Jian, L.-D. Lu, X.-J. Yang and X. Wang

Formula: [Zn(C5H6N2)2(C7H5O2)2]

Online July 2000


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Acta Cryst. (2000). C56, 744-746  [ doi:10.1107/S0108270100003930 ]

NiII and ZnII complexes of the hexadentate macrocyclic ligand cis-6,13-dimethyl-1,4,8,11-tetraazacyclotetradecane-6,13-diamine

P. V. Bernhardt

Formula: [Ni(C12H30N6)](ClO4)2 and [Zn(C12H30N6)](ClO4)2

Online July 2000


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Acta Cryst. (2000). C56, 747-748  [ doi:10.1107/S0108270100004133 ]

Di-[mu]-isopropoxy-bis[bis([eta]5-methylcyclopentadienyl)yttrium(III)]

H. Li, Y. Yao, Q. Shen and L. Weng

Formula: [Y2(C6H7)4(C3H7O)2]

Online July 2000


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Acta Cryst. (2000). C56, 749-757  [ doi:10.1107/S0108270100004108 ]

Polymorphs and pseudo-polymorphs of [mu]-oxo-bis{[N,N'-bis(salicylidene)propane-1,3-diamine]oxorhenium(V)}

H. Kooijman, K. J. C. van Bommel, W. Verboom, D. N. Reinhoudt, J. Kroon and A. L. Spek

Formula: Polymorphs and pseudo-polymorphs of [Re2O(C17H16N2O3)2]

Online July 2000


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Acta Cryst. (2000). C56, 758-759  [ doi:10.1107/S0108270100004364 ]

cis-Dichloro(5,8-dioxa-2,11-dithia[12]-o-cyclophane)palladium(II)

I. Yoon, B. S. Yoo, S. S. Lee and B. G. Kim

Formula: [PdCl2(C14H20O2S2)]

Online July 2000


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Acta Cryst. (2000). C56, 760-762  [ doi:10.1107/S0108270100004571 ]

Hydrido-sulfido-bridged triangular Os3 cluster compounds with different phosphine ligand substitution patterns

U. Flörke, H. Egold and M. Schraa

Formula: [Os3H(C6H5S)(C12H23P)(CO)9] and [Os3H(C10H7S)(C12H23P)(CO)9]

Online July 2000


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Acta Cryst. (2000). C56, 763-765  [ doi:10.1107/S0108270100004662 ]

Adducts of nickel(II) acetylacetonate chelating with heterocyclic bases: 3-cyanopyridine and 4-cyanopyridine

J. Zukerman-Schpector, A. C. Trindade and P. O. Dunstan

Formula: Two isomers of [Ni(C5H7O2)2(C6H4N2)2]

Online July 2000


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Acta Cryst. (2000). C56, 766-768  [ doi:10.1107/S0108270100004777 ]

Aqua(5,6-dimethyl-1,10-phenanthroline-N,N')(glycolato-O,O')copper(II) nitrate

G. Medina, L. Gasque and S. Bernès

Formula: [Cu(C2H3O3)(C14H12N2)(H2O)]NO3

Online July 2000


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Acta Cryst. (2000). C56, 769-770  [ doi:10.1107/S0108270100004789 ]

[1,5-Bis(1-methyl-1H-imidazol-2-ylmethyl-[kappa]N3)-1,5-diazacyclooctane-N,N']chlorocobalt(II) perchlorate

M. Du, Z.-L. Shang, Q. Xu, R.-H. Zhang, X.-B. Leng and X.-H. Bu

Formula: [CoCl(C16H26N6)]ClO4

Online July 2000


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Acta Cryst. (2000). C56, 771-774  [ doi:10.1107/S0108270100004753 ]

Three new ZnII sulfate complexes

M. Harvey, S. Baggio, A. Mombrú and R. Baggio

Formula: Three complexes of [Zn(SO4)(C10H8N2)]

Online July 2000


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Acta Cryst. (2000). C56, 775-776  [ doi:10.1107/S0108270100004893 ]

trans-Bis(thioacetato-S)bis(triphenylphosphine-P)nickel(II)

T. C. Deivaraj and J. J. Vittal

Formula: [Ni(C2H3OS)2(C18H15P)2]

Online July 2000


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Acta Cryst. (2000). C56, 777-779  [ doi:10.1107/S0108270100004881 ]

Transition metal complexes with pyrazole-derived ligands. XI. [Zn([mu]-L)(HL)(OAc)]2 (HL is 4-acetyl-3-amino-5-methylpyrazole)

Z. D. Tomic, Z. K. Jacimovic, V. M. Leovac and V. I. Cesljevic

Formula: [Zn2(C6H8N3O)2(C2H3O2)2(C6H9N3O)2]

Online July 2000


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Acta Cryst. (2000). C56, 780-782  [ doi:10.1107/S0108270100004911 ]

A 4-ethylpyridine complex of tetrachloromolybdenum(III) and its oxidation product

B. Modec, J. V. Brencic and L. Golic

Formula: (C6H16N)[MoCl4(C7H9N)2] and [MoCl4(C7H9N)2]

Online July 2000


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Acta Cryst. (2000). C56, 783-785  [ doi:10.1107/S0108270100004996 ]

Ni(bipy)2Ni(CN)4, a new type of one-dimensional square tetracyano complex

J. Cernák and K. A. Abboud

Formula: [Ni2(CN)4(C10H8N2)2]

Online July 2000


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Acta Cryst. (2000). C56, 786-788  [ doi:10.1107/S0108270100004984 ]

catena-Poly[[dicyanamido(1,10-phenanthroline)copper(II)]-[mu]-dicyanamido]

Z.-M. Wang, J. Luo, B.-W. Sun, C.-H. Yan, S. Gao and C.-S. Liao

Formula: [Cu(C2N3)2(C12H8N2)]

Online July 2000


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Acta Cryst. (2000). C56, 789-792  [ doi:10.1107/S010827010000500X ]

Polymeric aqua(glutarato)(hydrogen glutarato)lanthanum(III) monohydrate

B. Benmerad, A. Guehria-Laidoudi, F. Balegroune, H. Birkedal and G. Chapuis

Formula: [Ln(C5H6O4)(C5H7O4)(H2O)]·H2O

Online July 2000


 

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Acta Cryst. (2000). C56, 793-794  [ doi:10.1107/S0108270100005370 ]

Layered zincoarsenate templated by N,N,N',N'-tetramethylethylene-diamine molecules

A. A. Hajem, B. Trojette, A. Driss and T. Jouini

Synopsis: This new organic zincoarsenate is built up from a two-dimensional framework of ZnO5 and ZnO6 polyhedra, and AsO4 tetrahedra. Trigonally coordinated O atoms are present in these layers. The organic cations are inserted between the inorganic sheets.

Formula: (C6H18N2)0.5[Zn2(AsO4)(HAsO4)(H2O)2]

Online July 2000


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Acta Cryst. (2000). C56, 795-797  [ doi:10.1107/S0108270100005722 ]

The lithium chloride complex of the anti isomer of the bridged spherand C50H48O6

R. C. Helgeson, C. B. Knobler, E. F. Maverick and K. N. Trueblood

Formula: [Li(C50H48O6)]Cl·H2O

Online July 2000


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Acta Cryst. (2000). C56, 798-800  [ doi:10.1107/S0108270100005783 ]

1,2-Dicyano-1,2-bis(imidazolidine-2-thione)digold(I) and 2,2-dicyano-1,1-bis(dimethylthiourea)digold(I)

F. B. Stocker and D. Britton

Formula: [Au2(CN)2(C3H6N2S)2] and [Au2(CN)2(C3H8N2S)2]

Online July 2000


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Acta Cryst. (2000). C56, 801-803  [ doi:10.1107/S0108270100005825 ]

Diiodobis(1-methyl-1,3-imidazolium-2-thiolato-S)mercury(II)

G. Pavlovic, Z. Popovic, Z. Soldin and D. Matkovic-Calogovic

Formula: [HgI2(C4H6N2S)2]

Online July 2000


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Acta Cryst. (2000). C56, 804-805  [ doi:10.1107/S0108270100006016 ]

Hydrolysis products of diorganotin dihalides. I. Bis[1,3-dihydroxo-1,1,3,3-tetrakis(2-methyl-2-phenylpropyl)distannoxane]

H. Reuter and R. Pawlak

Formula: [Sn4O2(OH)4(C10H13)8]

Online July 2000


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Acta Cryst. (2000). C56, 806-807  [ doi:10.1107/S0108270100005989 ]

Diiodobis(4-methylpentan-2-onato-C4,O)tin(IV): a comparison with diiodobis(3-methoxy-3-oxopropyl-C,O)tin(IV)

R. A. Howie and J. L. Wardell

Formula: [SnI2(C6H11O)2]

Online July 2000


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Acta Cryst. (2000). C56, 808-810  [ doi:10.1107/S0108270100006168 ]

Pyridine-pyridine [pi]-[pi] stacking interactions in pentacarbonyl[pyridine-4(1H)-thione]tungsten(0)

M.-G. Choi and R. J. Angelici

Formula: [W(C5H5NS)(CO)5]

Online July 2000


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Acta Cryst. (2000). C56, 811-813  [ doi:10.1107/S010827010000617X ]

catena-Poly[[diaqua(1,10-phenanthroline-N,N')cadmium(II)]-[mu]-(sulfato-O:O')] and catena-poly[[diaqua(2,9-dimethyl-1,10-phenanthroline-N,N')cadmium(II)]-[mu]-(sulfato-O:O')]

M. Harvey, S. Baggio, L. Suescun and R. F. Baggio

Formula: [Cd(SO4)(C12H8N2)(H2O)2] and [Cd(SO4)(C14H12N2)(H2O)2]

Online July 2000


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Acta Cryst. (2000). C56, 814-817  [ doi:10.1107/S0108270100006193 ]

Tetraallyl (2,2'-bipyridyl)-rac-3,3,7,7-tetramethyl-trans-5-palladatricyclo[4.1.0.02,4]heptane-1,2,4,6-tetracarboxylate above and below the phase-transition temperature of 194 K

J. W. Bats, A. Rivas Nass and A. S. K. Hashmi

Formula: [Pd(C26H32O8)(C10H8N2)]

Online July 2000


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Acta Cryst. (2000). C56, 818-819  [ doi:10.1107/S010827010000620X ]

Lithium phosphoenolpyruvate monohydrate at 85 K

T. Zych, I. Turowska-Tyrk and T. Lis

Formula: Li+·C3H4O6P-·H2O

Online July 2000


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Acta Cryst. (2000). C56, 820-821  [ doi:10.1107/S0108270100006399 ]

(S)-Tricarbonyl[(1,2,3,4-[eta])-(5R,6S)-1-chloro-5,6-dimethoxycyclohexa-1,3-diene]iron(0)

S. Russi, L. Suescun, A. Mombrú, H. Pardo, R. A. Mariezcurrena, G. Cavalli and G. Seoane

Formula: [Fe(C8H11ClO2)(CO)3]

Online July 2000


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Acta Cryst. (2000). C56, 822-823  [ doi:10.1107/S0108270100006466 ]

[mu]-Glycine-O:O'-di-[mu]-oxo-bis[(glycinato-N,O)oxomolybdenum(V)]

G. Liu, J. Liu, Y.-G. Wei, Q. Liu and S.-W. Zhang

Formula: [Mo2O4(C2H4NO2)2(C2H5NO2)]

Online July 2000


organic compounds


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Acta Cryst. (2000). C56, 824-826  [ doi:10.1107/S0108270100003954 ]

6,7-Dihydrodibenzo[e,g]azulen-8(5H)-one and 12,13-dihydrobenzo[e]napth[2,1-g]azulen-14(11H)-one

A. A. Ajees, M. N. Ponnuswamy, S. Parthasarathy and C. A. M. A. Huq

Formula: C18H14O and C22H16O

Online July 2000


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Acta Cryst. (2000). C56, 827-829  [ doi:10.1107/S0108270100004091 ]

2,3,3a,4,9,9a-Hexahydro-9-phenylbenzo[f]indene derivatives

D. Hashizume, N. Takashima, T. Oikawa, H. Ishii, H. Niwa and F. Iwasaki

Formula: C21H24 and C20H22O

Online July 2000


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Acta Cryst. (2000). C56, 830-831  [ doi:10.1107/S0108270100004194 ]

(3R*,3'R*)-1,1'-Dimethyl-3,3'-biindoline-2,2'-dithione

U. Baumeister, H. Hartung, R. Spitzner, M. Felicetti and W. Schroth

Formula: C18H16N2S2

Online July 2000


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Acta Cryst. (2000). C56, 832-835  [ doi:10.1107/S0108270100004303 ]

3,5-Dimethyl-6-(4-nitroanilino)-2,3,4,5-tetrahydro-1,3,5-triazine-2,4-dione, (II), 3,5-dimethyl-6-(N-methyl-4-nitroanilino)-2,3,4,5-tetrahydro-1,3,5-triazine-2,4-dione, (III), and 1,3,5-trimethyl-6-(4-nitrophenylimino)-1,3,5-triazinane-2,4-dione, (IV)

H. Taycher, V. Shteiman, M. Botoshansky and M. Kaftory

Formula: C11H11N5O4·H2O and three isomers of C12H13N5O4

Online July 2000


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Acta Cryst. (2000). C56, 836-837  [ doi:10.1107/S0108270100004170 ]

{[(N-Methyl-p-toluidino)diphenylphosphoranylidene]methyl}(N-methyl-p-toluidino)diphenylphosphonium iodide

D. D. Ellis, A. L. Spek, P. Imhoff and C. J. Elsevier

Formula: C41H41N2P2+·I-

Online July 2000


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Acta Cryst. (2000). C56, 838-839  [ doi:10.1107/S0108270100004376 ]

2-[6-(1H-Benzimidazol-2-yl)-2-pyridyl]-1H-benzimidazol-3-ium perchlorate monohydrate

M. Boca, D. Valigura, I. Svoboda, H. Fuess and W. Linert

Formula: C19H14N5+·ClO4-·H2O

Online July 2000


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Acta Cryst. (2000). C56, 840-842  [ doi:10.1107/S010827010000442X ]

7-Chloro-3,6-dimethyl-1H-indene-2-carbaldehyde

M. Pani, A. Mugnoli and E. Sottofattori

Formula: C12H11ClO

Online July 2000


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Acta Cryst. (2000). C56, 843-845  [ doi:10.1107/S0108270100004595 ]

Hydrogen bonds and C-H...O interactions in the enol tautomer of 4-(phenylsulfonyl)spiro[cyclopentane-1,9'-[9H]fluorene]-2,3-dione

R. E. Gerkin

Formula: C23H16O4S

Online July 2000


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Acta Cryst. (2000). C56, 846-847  [ doi:10.1107/S0108270100005023 ]

4,8-Dimethoxy-1-naphthalenemethanol

R. E. Gerkin

Formula: C13H14O3

Online July 2000


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Acta Cryst. (2000). C56, 848-849  [ doi:10.1107/S0108270100005874 ]

(3R*,4R*)-3-Isopropyl-4-phenylazetidin-2-one at 150 K

R. E. Gerkin

Formula: C12H15NO

Online July 2000


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Acta Cryst. (2000). C56, 850-852  [ doi:10.1107/S0108270100005199 ]

Hydrogen bonding and C-H...X interactions in 3-fluoro-2-[1-(1-naphthyl)ethyl]benzoic acid

R. E. Gerkin

Formula: C19H15FO2

Online July 2000


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Acta Cryst. (2000). C56, 853-854  [ doi:10.1107/S0108270100006235 ]

Hydrogen bonds and C-H...O interactions in 2-(2-methylbenzyl)malonic acid at 150 K

R. E. Gerkin

Formula: C11H12O4

Online July 2000


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Acta Cryst. (2000). C56, 855-858  [ doi:10.1107/S0108270100004650 ]

A structural hierarchy in the hydrogen-bonded adduct ethane-1,2-diphosphonic acid-4,4'-bipyridyl-water (1/1/2): an N-component N-dimensional structure (N = 3) with substructures having N = 1 and 2

C. Glidewell, G. Ferguson and A. J. Lough

Formula: C10H10N22+·C2H6O6P22-·2H2O

Online July 2000


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Acta Cryst. (2000). C56, 859-861  [ doi:10.1107/S0108270100005527 ]

Chains of fused rings in the hydrogen-bonded structure of meso-6,13-diamino-6,13-dimethyl-1,4,8,11-tetraazacyclotetradecane-2,2'-biphenol (1/2)

A. J. Lough, R. M. Gregson, G. Ferguson and C. Glidewell

Formula: C12H32N62+·2C12H9O2-

Online July 2000


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Acta Cryst. (2000). C56, 862-864  [ doi:10.1107/S0108270100005928 ]

Hydrogen-bonded molecular ladders in 1,4-bis(4-chlorophenylsulfonyl)-2,5-dimethylbenzene

J. L. Wardell, J. N. Low and C. Glidewell

Formula: C20H16Cl2O4S2

Online July 2000


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Acta Cryst. (2000). C56, 865-867  [ doi:10.1107/S0108270100006260 ]

Hydrogen-bonded molecular ladders in trans-1,2-bis(2-nitroanilino)cyclohexane

S. M. S. V. Wardell, J. L. Wardell, M. F. Ward, J. N. Low and C. Glidewell

Formula: C18H20N4O4

Online July 2000


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Acta Cryst. (2000). C56, 868-869  [ doi:10.1107/S0108270100004790 ]

21[alpha]-Fluoro-7-norvouacapane-17[beta],21[alpha]-lactone

S. G. Ruggiero, M. T. P. Gambardella, M. C. Branco, A. J. Demuner, L. C. A. Barbosa and D. Piló-Veloso

Formula: C20H25FO3

Online July 2000


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Acta Cryst. (2000). C56, 870-871  [ doi:10.1107/S0108270100004765 ]

2,6-Diphenylthiapyran-4-one

T. Narasimhamurthy, R. V. Krishnakumar, J. C. N. Benny, K. Pandiarajan and M. A. Viswamitra

Formula: C17H16OS

Online July 2000


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Acta Cryst. (2000). C56, 872-873  [ doi:10.1107/S0108270100004832 ]

6-Amino-5,5,7-tricyano-3,3a,4,5-tetrahydro-2H-indene-4-spirocyclopentane

V. N. Nesterov and E. A. Viltchinskaia

Formula: C16H16N4

Online July 2000


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Acta Cryst. (2000). C56, 874-875  [ doi:10.1107/S0108270100005035 ]

N-H...[pi] hydrogen bonding in 2-aminofluorene

T. Steiner

Formula: C13H11N

Online July 2000


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Acta Cryst. (2000). C56, 876-877  [ doi:10.1107/S0108270100005898 ]

S-H...S hydrogen-bond chain in thiosalicylic acid

T. Steiner

Formula: C7H6O2S

Online July 2000


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Acta Cryst. (2000). C56, 878-880  [ doi:10.1107/S0108270100004959 ]

Tetrabutylammonium [alpha]-acetyl-[gamma]-butyrolactonate containing a three-dimensional hydrogen-bonded network

R. Goddard, S. Hütte and M. T. Reetz

Formula: C16H36N+·C6H7O3-

Online July 2000


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Acta Cryst. (2000). C56, 881-883  [ doi:10.1107/S0108270100004972 ]

Dimethyl 9,10-anthracenedicarboxylate: a centrosymmetric transoid molecule

S. Jones, J. C. C. Atherton, M. R. J. Elsegood and W. Clegg

Formula: C18H14O4

Online July 2000


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Acta Cryst. (2000). C56, 884-887  [ doi:10.1107/S0108270100005205 ]

Red, orange and yellow crystals of 4,5-bis(4-methoxyphenyl)-2-(3-nitrophenyl)-1H-imidazole

Y. Inouye and Y. Sakaino

Formula: C23H19N3O4 and three solvates

Online July 2000


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Acta Cryst. (2000). C56, 888-889  [ doi:10.1107/S0108270100005187 ]

1,1,3,3-Tetramethylguanidinium dihydrogenorthophosphate

A. Criado, M. J. Diánez, S. Pérez-Garrido, I. M. L. Fernandes, M. Belsley and E. de Matos Gomes

Formula: C5H14N3+·H2PO4-·

Online July 2000


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Acta Cryst. (2000). C56, 890-891  [ doi:10.1107/S0108270100005394 ]

Methyl {1-[2,3-O-isopropylidene-5-O-(4-nitrobenzoyl)-[alpha]-D-ribofuranosyl]-4-methoxycarbonyl-1H-1,2,3-triazol-5-yl}acetate

I. Leban, A. Stimac, J. Kobe and G. Giester

Formula: C22H24N4O11

Online July 2000


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Acta Cryst. (2000). C56, 892-894  [ doi:10.1107/S0108270100005357 ]

p-Phenylazoaniline hydrochloride from powder data: protonation site and UV-visible spectra

A. V. Yatsenko, V. V. Chernyshev, A. I. Kurbakov and H. Schenk

Formula: C12H12N3+·Cl-

Online July 2000


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Acta Cryst. (2000). C56, 895-896  [ doi:10.1107/S0108270100005473 ]

4-Phenyl-3,5-bis(2-pyridyl)-4H-1,2,4-triazole

D.-R. Zhu, Y. Xu, Y. Zhang, T.-W. Wang and X.-Z. You

Formula: C18H13N5

Online July 2000


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Acta Cryst. (2000). C56, 897-898  [ doi:10.1107/S0108270100005515 ]

Benzyltriethylammonium 2,2,2,4-tetrachloro-2,5-dihydro-1,2[lambda]5-oxatellurole

J. Zukerman-Schpector, R. L. Camillo, J. V. Comasseto, R. L. O. R. Cunha and I. Caracelli

Formula: C13H22N+·C3H3Cl4OTe-

Online July 2000


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Acta Cryst. (2000). C56, 899-900  [ doi:10.1107/S0108270100005813 ]

6-Hydroxy-2,2-dimethyl-3,4-dihydro-2H-benzo[b]pyran

A. Jha, S. Malhotra, V. S. Parmar and W. Errington

Formula: C11H14O2

Online July 2000


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Acta Cryst. (2000). C56, 901-902  [ doi:10.1107/S0108270100005886 ]

NEt4OH·4H2O containing infinite hydroxide-water ribbons

M. Wiebcke and J. Felsche

Formula: C8H20N+·OH-·4H2O

Online July 2000


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Acta Cryst. (2000). C56, 903-904  [ doi:10.1107/S0108270100006272 ]

1,15-Pentadecanediol

N. Nakamura, K. Uno, R. Watanabe, T. Ikeya and Y. Ogawa

Formula: C15H32O2

Online July 2000


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Acta Cryst. (2000). C56, 905-906  [ doi:10.1107/S0108270100006181 ]

A pentaerythritol-derived spirodiphosphonate

H. Y. Elnagar, P. F. Ranken and F. R. Fronczek

Formula: C7H14O6P2

Online July 2000


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Acta Cryst. (2000). C56, 907-909  [ doi:10.1107/S010827010000264X ]

Verticine ethanol hydrate (2/1/1)

J.-N. Zhang, G. Lin, Y.-P. Ho, P. Li and A. H. L. Chow

Formula: 2C27H45NO3·C2H6O·H2O

Online July 2000


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Acta Cryst. (2000). C56, 910-912  [ doi:10.1107/S0108270100004340 ]

Pefloxacinium methanesulfonate 0.10-hydrate

M. Parvez, M. S. Arayne, N. Sultana and A. Z. Siddiqi

Online July 2000


electronic papers (metal-organic compounds)


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Acta Cryst. (2000). C56, e278-e279  [ doi:10.1107/S0108270100007630 ]

Bis(tetramethylammonium) hexamolybdate hydrate, [(CH3)4N]2[Mo6O19]·H2O

N. Strukan, M. Cindric, M. Devcic, G. Giester and B. Kamenar

Synopsis: The crystal and molecular structure of the title compound shows that the polyoxoanion [Mo6O19]2- is built up from six distorted MoO6 octahedra sharing common edges and one common vertex at the central O atom, and has crystallographic m3m (Oh) symmetry. The cation has crystallographic \overline 43m symmetry.

Formula: (C4H12N)2[Mo6O19]·H2O

Online July 2000


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Acta Cryst. (2000). C56, e280  [ doi:10.1107/S0108270100007642 ]

cis-Dichlorobis(triphenyphosphite-P)palladium(II)

S. J. Sabounchei, A. Naghipour and J. F. Bickley

Synopsis: In the title compound, the PdII centre shows slightly distorted square-planar geometry, with the two chloro ligands in cis positions.

Formula: [PdCl2(C18H15O3P)2]

Online July 2000


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Acta Cryst. (2000). C56, e281-e282  [ doi:10.1107/S0108270100007654 ]

Bis(acetonitrile-N)(o-benzoquinone diimine-N,N')-trans-bis(triphenylphosphine-P)ruthenium(II) bis(hexafluorophosphate) methanol solvate

D. Venegas-Yazigi, H. Mirza, A. B. P. Lever, A. J. Lough, J. Costamagna and R. Latorre

Synopsis: The Ru atom in the title complex shows an octahedral coordination and a trans arrangement of the triphenylphosphine groups. Both acetonitrile molecules are in the same plane as the o-benzoquinone diimine ligand. Bond distances for the benzoquinone diimine ring establish a quinone arrangement.

Formula: [Ru(C2H3N)2(C6H6N2)(C18H15P)2](PF6)2.CH4O

Online July 2000


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Acta Cryst. (2000). C56, e283  [ doi:10.1107/S0108270100007666 ]

Potassium N-(6-oxocyclohexa-1,3-dien-5-ylidenemethyl)glycinate

V. Paredes-García, D. Venegas-Yazigi, A. J. Lough and R. Latorre

Synopsis: Schiff bases show a tautomeric equilibrium between the enol-imine and keto-amine forms. The title compound has bond distances which are in agreement with a keto-amine tautomer arrangement.

Formula: K+·C9H8NO3-

Online July 2000


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Acta Cryst. (2000). C56, e284-e285  [ doi:10.1107/S0108270100007769 ]

A hydrated ethylenediammonium salt of a new polymeric polyoxoanion: (H2en)4[Co(H2O)2(OH)2(VO)6(HPO4)4(PO4)4]·3H2O

G.-Y. Luan, E.-B. Wang, W.-S. You, L. Xu and Q.-L. He

Synopsis: The polyanion of the title compound contains four PO4 tetrahedra and three VO5 square pyramids that are linked through corner-sharing by alternating P-O-V which gives rise to a chain. The chains, connected by CoO4(H2O)2 octahedra, form layers, resulting in a two-dimensional layered structure.

Formula: (C2H10N2)4[Co(H2O)2(OH)2(VO)6(HPO4)4(PO4)4]·3H2O

Online July 2000


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Acta Cryst. (2000). C56, e286-e287  [ doi:10.1107/S0108270100007824 ]

Bis[methylenebis(diphenylphosphine)-P,P']nickel(II) diperchlorate

Y.-Z. Li, J.-C. Liu, Z.-P. Wang, Q.-X. Li, G.-C. Sun, L.-F. Wang and C.-G. Xia

Synopsis: In the title compound, the Ni atom of the cation lies on an inversion centre and the Ni coordination is necessarily planar. The Ni-P distances are 2.2188 (5) and 2.2322 (5) Å, and the P-Ni-P angle is 73.12 (3)°. The unique perchlorate anion is not coordinated to the Ni atom.

Online July 2000


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Acta Cryst. (2000). C56, e288-e289  [ doi:10.1107/S0108270100007873 ]

[N,N-Bis(2-hydroxyethyl)dithiocarbamato-S]bis(triphenylphosphine-P)copper(I) triphenylphosphine solvate

F. Jian, F. Bei, L. Lu, X. Yang, X. Wang, I. A. Razak, S. Shanmuga Sundara Raj and H.-K. Fun

Synopsis: The copper ion is in a distorted tetrahedral coordination, with two P atoms and two S atoms occupying the vertices. The longer Cu-S bond lies adjacent to the shorter C-S bond. The small S-Cu-S bond angle is due to the restricted bite angle of the ligand. The crystal structure has alternate layers of complex and triphenylphosphine molecules parallel to the bc plane.

Formula: [Cu(C5H10NO2S2)(C18H15P)2]·C18H15P

Online July 2000


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Acta Cryst. (2000). C56, e290-e291  [ doi:10.1107/S0108270100007897 ]

The chloro(diethylamino)dimethyltin dimer

D. Barreca, F. Benetollo, S. Garon, E. Tondello and P. Zanella

Synopsis: The title compound consists of discrete [SnCl(CH3)2{N(C2H5)2}]2 dimers, with Sn atoms linked by bridging diethylamido groups. The coordination geometry about the metal atom is distorted trigonal bipyramidal, with the two methyl C atoms and one N atom in the equatorial plane, and the Cl and second N atom in axial positions.

Formula: [Sn2Cl2(CH3)4(C4H10N)2]

Online July 2000


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Acta Cryst. (2000). C56, e292-e294  [ doi:10.1107/S0108270100007903 ]

Dicyclohexylammonium 2,4-dichlorophenoxyacetate and (2,4-dichlorophenoxyacetato-O,O')bis(triphenylphosphine-P)silver(I)

R. R. Subramanian, S. S. Anandan, K. H. Kwek, K. S. Low, S. Shanmuga Sundara Raj, H.-K. Fun, I. A. Razak, J. V. Hanna and S. W. Ng

Synopsis: The monoclinic cell of dicyclohexylammonium 2,4-dichlorophenoxyacetate contains four C12H24N+·C5H8Cl2O3- ion pairs. The ammonium N atom is hydrogen bonded to the oxygen ends of two carboxyl groups to form a 12-membered O-C-O...HNH...O-C-O...HNH ring. In (2,4-dichlorophenoxylacetato)bis(triphenylphosphine)silver(I) (shown opposite), the carboxyl CO2 unit chelates to the Ag atom in an anisobidentate manner [Ag-O = 2.436 (2) and 2.517 (2) Å]; the Ag atom shows distorted tetrahedral geometry.

Formula: C12H24N+·C8H5O3Cl2- and [Ag(C8H5Cl2O3)(C18H15P)2]

Online July 2000


electronic papers (organic compounds)


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Acta Cryst. (2000). C56, e295-e296  [ doi:10.1107/S0108270100007678 ]

(1R,4bS,8aR)-(1,2,3,4b,5,6,7,8,8a,9a-Decahydro-4,9a-diazafluoren-1-yl)methanol

H. Kooijman and A. L. Spek

Synopsis: The absolute configuration of C4b (S) and C8a (R) was established with respect to the known C1 configuration (R). The compound forms infinite chains of hydrogen-bonded molecules.

Formula: C12H20N2O

Online July 2000


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Acta Cryst. (2000). C56, e297  [ doi:10.1107/S010827010000768X ]

2,2'-Bi(9,9-di-n-propylfluorene)

B. Suchod, O. Stéphan and Y. Kervella

Synopsis: The title compound is a dimer of fluorene investigated as part of study of materials for optoelectronic applications. The rings in the molecule are coplanar and the alkyl chains are perpendicular to this plane. The two fluorene moieties are head-to-foot and are related by a crystallographic centre of inversion.

Formula: C38H42

Online July 2000


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Acta Cryst. (2000). C56, e298-e299  [ doi:10.1107/S0108270100007691 ]

N-(3-Iodopropyl)phthalimide

K. Chandramohan, K. Ravikumar and S. Rajendar

Synopsis: In the molecule of the title compound, the phthalimide group is not exactly planar. The dihedral angle between the mean planes of the phthalimide and iodopropyl moieties is 76.6 (2)°. The structure is stabilized by intermolecular C-H...O and C-H...I interactions, and an intermolecular I...O interaction of 3.571 (4) Å, the latter linking the molecules into infinite chains.

Formula: C11H10INO2

Online July 2000


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Acta Cryst. (2000). C56, e300-e301  [ doi:10.1107/S0108270100007757 ]

6-Dimethoxymethyl-1-methoxycarbonylbicyclo[3.1.0]hex-2-ene-2-carboxylic acid

S. Niwayama and E. M. Holt

Synopsis: The title compound, prepared by a standard synthetic method, has a cyclopropane ring fused to a cyclopentene ring. Comparison of the unit-cell dimensions and space group of this material with those of a crystal of the same material prepared using a route involving pig liver esterase hydrolysis shows them to be identical.

Formula: C12H16O6

Online July 2000


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Acta Cryst. (2000). C56, e302-e303  [ doi:10.1107/S0108270100007861 ]

N-(6-Bromo-4-oxo-3,4-dihydropteridin-2-yl)-2,2-dimethylpropanamide

S. Shanmuga Sundara Raj, I. A. Razak, H.-K. Fun, S. Goswami, R. Mukherjee and A. Adak

Synopsis: The rings in the pterin moiety are planar and the carbonyl O atom is in a synperiplanar conformation. N-H...N and N-H...O intermolecular hydrogen bonds form eight-membered rings with a graph-set motif of R22(8) on each side of the molecules, extending into infinite chains.

Formula: C11H12BrN5O2

Online July 2000


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Acta Cryst. (2000). C56, e304  [ doi:10.1107/S0108270100007885 ]

2,2',4,4',6,6'-Hexamethyl-4,4'-bi[4H-pyranyl]

B. Ziemer and L. Grubert

Synopsis: Bipyranyls and pyrylium salts are used for photochemical redox reactions. The pyran ring of the title molecule is not planar; the O atom lies very significantly out of the least-squares plane.

Formula: C16H22O2

Online July 2000


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Acta Cryst. (2000). C56, e305-e306  [ doi:10.1107/S0108270100007915 ]

Benzyl 5-{2-[2-(diethoxyphosphinoyl)acetyl]-3-oxo-7-thia-2,4-diazabicyclo[3.3.0]oct-6-yl}pentanoate, a novel biotin derivative

D. R. Amspacher, C. Z. Blanchard, M. C. Saraiva, G. L. Waldrop, R. M. Strongin and F. R. Fronczek

Synopsis: In the title compound, the phosphonoacetate carbonyl is rotated slightly out of the plane of the ureido ring, with a C-N-C-O torsion angle of -6.9 (4)°.

Formula: C23H33N2O7PS

Online July 2000


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Acta Cryst. (2000). C56, e307-e308  [ doi:10.1107/S0108270100007927 ]

24(R)-Acetyloxy-1[alpha],2[alpha]-epoxycholesta-4,6-dien-3-one hydrate

K. Rajalakshmi, V. Pattabhi, C. S. Venkatesan, G. Nadamuni and A. Srikrishna

Synopsis: In the title compound, cyclohexane rings A and B are in the sofa conformation, ring C is in a chair conformation and the five-membered ring D is in an envelope conformation. The structure is stabilized by inter- and intramolecular C-H...O and O-H...O hydrogen bonds.

Formula: C29H42O4·H2O

Online July 2000


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Acta Cryst. (2000). C56, e309-e310  [ doi:10.1107/S0108270100008064 ]

9,10-Dimethoxy-4-methyl-1,2-dihydro-1-azaanthracen-2-one (kalasinamide), a new azaanthracene alkaloid

P. Thinapong, O. Rangsiman, P. Tuchinda, B. Munyoo, M. Pohmakotr and V. Reutrakul

Synopsis: A new azaanthracene alkaloid (kalasinamide) has been isolated from the stems of Polyathia suberosa collected in the northeastern part of Thailand and its structure has been determined.

Formula: C16H15NO3

Online July 2000


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