Acta Crystallographica Section C

Crystal Structure Communications

Volume 55, Part 8 (August 1999)

Cover illustration: \[Cu2{1,4-bis\[(3-methyl-2-pyridyl)amino\]phthalazine-H}(N3)3\] at 40 K, see Goeta et al., pages 1243-1246. Displacement ellipsoids are shown at the 80% probability level.

• cif-access (inorganic compounds)
• cif-access (metal-organic compounds)
• cif-access (organic compounds)
• inorganic compounds
• metal-organic compounds
• organic compounds

cif-access (inorganic compounds)

 

Silver perrhenate, AgReO₄

D. Yu. Naumov, A. V. Virovets, S. V. Korenev and A. I. Gubanov

Synopsis: Silver perrhenate is isostructural with scheelite, CaWO₄. The Ag⁺ cation occupies the Ca²⁺ position and ReO₄^- lies in the WO₄^2- position.

Formula: AgReO₄

 

The double layered hydroxide 3CaO^.Al₂O₃^.CaBr₂^.10H₂O

J.-P. Rapin, N. M. Noor and M. François

Synopsis: The structure of the title compound, also formulated as Ca₂Al(OH)₆Br^.2H₂O, dicalcium aluminium hydroxide bromide dihydrate, is isostructural with the iodide analogue [Rapin, Walcarius, Lefevre & François (1999). Acta Cryst. C55. In the press].

Formula: AlBrCa₂H₁₀O₈

 

Tetragonal Ni_4.35As₃O_11.7(OH)_0.3

J. Barbier

Synopsis: The title new tetragonal nickel arsenate is best formulated as Ni_0.5-xNi₄As₃O_12-2x(OH)_2x (x = 0.15) and corresponds to a hydrated form of Ni_4.5As₃O₁₂. A unique feature of the structure is a partially filled dodecahedral Ni site with 4 symmetry and long Ni-O bonds [2.300(2) (× 4) and 2.667(2)Å (× 4)].

Formula: Ni_4.35As₃O_11.7(OH)_0.3

cif-access (metal-organic compounds)

 

Space-group revision for bis(N-ethyl-N-isopropyldithiocarbamato)lead(II)

S. W. Ng

Synopsis: The space group of bis(N-ethyl-N-isopropyldithiocarbamato)lead(II), which has been reported as Cc [Trindade et al. (1997). J. Mater. Chem. 7, 1011-1016], is corrected to C2/c. In this setting, the Pb atom lies on a twofold axis which relates one dithiocarbamate group to the other.

Formula: [Pb(C₆H₁₂NS₂)₂]

 

Redetermination of di--bromo-bis[(N,N,N',N'-tetramethylethylenediamine-N,N')lithium]

K. W. Henderson, A. R. Kennedy, W. J. Kerr and P. H. Moran

Synopsis: A redetermination of the -bromo-(tetramethylethylenediamine-N,N^')lithium dimer in a unit cell which has one third the volume of the original determination and which shows no superlattice structuring gives a well ordered solution.

Formula: [Li₂Br₂(C₆H₁₆N₂)₂]

 

Diiodo[methylenebis(diphenylphosphine)-P,P']platinum(II), [PtI₂(dppm)]

M. J. Arendse, G. K. Anderson and N. P. Rath

Synopsis: The Pt atom is four-coordinated by two phosphine P atoms and two I atoms and has a distorted square-planar geometry. The Pt-I distances are 2.6570(3) and 2.6591(3)Å, while the Pt-P distances are 2.2262(12) and 2.2347(11)Å.

Formula: [PtI₂(C₂₅H₂₂P₂)]

 

1-[Ferrocenyl(hydroxy)methyl]-1,2-dicarba-closo-dodecaborane

G. Crundwell, C. Arellanes, F. Gomez and K. Kantardjieff

Synopsis: The crystal structure for the title compound was determined at 213 K. The molecule consists of a ferrocene tethered to a carborane through a methylhydroxy bridge which is disordered between two sites.

Formula: [Fe(C₅H₅)(C₈H₁₇B₁₀O)]

cif-access (organic compounds)

 

2-Amino-4,6-dimethyl-1,3,5-triazine

M. Becker and M. Jansen

Synopsis: In the structure of the title compound, the triazine ring is planar, and the terminal amino group and one ring N atom form hydrogen bonds with an N-HN distance of 2.251 Å, to give dimers.

Formula: C₅H₈N₄

 

1-Propargyl-5-p-tolyl-1H-tetrazole and 2-propargyl-5-p-tolyl-1H-tetrazole

S. Achamlade, A. El Hallaoui, A. Hasnaoui, A. Elachqar, S. El Hajji, J. Bellan, J. Lopez and M. Pierrot

Synopsis: The structures of the title compounds show that these isomers present some specific differences in (i) the orientation of the propargyl group with respect to the tetrazole ring, and (ii) the bond distances and angles of the tetrazole rings.

Formula: C₁₁H₁₀N₄ and C₁₁H₁₀N₄

 

Bis(indol-3-yl)(4-methylphenyl)methane

R. Krishna, D. Velmurugan and S. Shanmuga Sundara

Synopsis: The structure consists of two indole systems and a methylphenyl ring. The phenyl and two indole rings adopt planar conformations. The packing of the molecules in the unit cell is influenced by the presence of N-H and C-H(Cg) interactions (Cg represents the centroids of the five- and six-membered rings).

Formula: C₂₄H₂₀N₂

 

1,4-Bis(4H-1,2,4-triazol-4-yl)benzene monohydrate

H. Cai, H.-M. Hu, W.-Z. Chen, Y. Xu and X.-Z. You

Synopsis: The title compound was prepared by the reaction of N,N^'-diformylhydrazine and p-phenylenediamine. The X-ray analysis revealed that there is a hydrogen-bond chain composed of water molecules and 1,4-bis(4H-1,2,4-triazol-4-yl)benzene molecules in the crystal. The dihedral angle between the 1,2,4-triazole and substituted-benzene rings is 34.2(2)°.

Formula: C₁₀H₈N₆H₂O

 

Redetermination of N-acetylanthranilic acid at 158K

A. Yu. Kovalevsky

Synopsis: A low-temperature structure redetermination of the strong triboluminescent compound N-acetylanthranylic acid is described. The molecule is not planar and forms chains in the crystal which are connected by hydrogen bonds of average strength.

Formula: C₉H₉NO₃

 

(3S,4R)-4-Benzoyl-3-(2-methyl-2-propenyl)tetrahydrofuran-2-one

P. Thuéry, M. Nierlich, M.-C. Roux and L. Wartski

Synopsis: In the title compound, the substituents of the disubstituted -lactone are in a trans (synclinal) relationship and the heterocyclic ring adopts an envelope conformation. The conformation of the allylic and aroyl groups is elucidated.

Formula: C₁₅H₁₆O₃

 

dl-2,4-Bis(phenylthio)pentan-3-one and dl-2,4-bis(2,6-dimethylphenylthio)pentan-3-one at 173K

G. Crundwell, J. Kessler, M. Kaller, M. McCoy, C. Bayne, S. A. Hardinger and K. Kantardjieff

Synopsis: Crystals of dl-2,4-bis(phenylthio)pentan-3-one, C₁₇H₁₈OS₂, are orthorhombic (Iba2). Despite cell parameters that appear orthorhombic, crystals of dl-2,4-bis(2,6-dimethylphenylthio)pentan-3-one, C₂₁H₂₆OS₂, are monoclinic (P2₁/n) and refine as two twinned components (57/43%) that mimic an orthorhombic lattice.

Formula: C₁₇H₁₈OS₂ and C₂₁H₂₆OS₂

 

Substituted clonidine derivatives. II. Ethyl 3,5-dichloro-4-(1-isobutyrylimidazolidin-2-ylideneamino)benzoate and ethyl 3,5-dichloro-4-(1,3-diisobutyrylimidazolidin-2-ylideneamino)benzoate

E. M. Elssfah, K. Chinnakali, H.-K. Fun, I. W. Mathison, E. K. Gan, M. Zubaid, T. W. Sam and K. S. Khoo

Synopsis: In the title compounds, C₁₆H₁₉Cl₂N₃O₃ (R₁ = H, R₂ = COCHMe₂), (I), and C₂₀H₂₅Cl₂N₃O₄ (R₁ = R₂ = COOCHMe₂), (II), the imidazolidine rings adopt half-chair conformations. Compound (I) exists in the imidazolidine form. The dihedral angles between the phenyl and imidazolidine rings are 80.95(6)° for (I), and 66.7(2) and 67.5(2)° for (II). In (I), the glide-related molecules are involved in N-HN intermolecular hydrogen bonds.

Formula: C₁₆H₁₉Cl₂N₃O₃ and C₂₀H₂₅Cl₂N₃O₄

 

Substituted clonidine derivatives. III. 3,5-Dichloro-4-(imidazolidin-2-ylideneamino)benzyl alcohol and 3,5-dichloro-4-(1,3-diisobutyrylimidazolidin-2-ylideneamino)benzyl isobutyrate

E. M. Elssfah, K. Chinnakali, H.-K. Fun, I. W. Mathison, E. K. Gan, M. Zubaid, T. W. Sam and K. S. Khoo

Synopsis: In C₁₀H₁₁Cl₂N₃O (R₁ = H, R₂ = CH₂OH), (I), and C₂₂H₂₉Cl₂- N₃O₄ (R₁ = COCHMe₂, R₂ = CH₂OCOCHMe₂), (II), the bonds connecting the phenyl and imidazolidine rings are shorter than that observed in clonidine, indicating increased double-bond character. The imidazolidine rings adopt a half-chair conformation in both structures and the dihedral angles between the imidazolidine and phenyl rings are 86.97(7) and 66.32(6)° in (I), and 62.4(1)° in (II).

Formula: C₁₀H₁₁Cl₂N₃O and C₂₂H₂₉Cl₂N₃O₄

 

(3S,3aR,6S,7aR)-3-{2-[(3R,3aS,6R,7aS)-6-Hydroxy-6-methyl-5-methyleneperhydrobenzo[b]furan-3-yl]ethyl}-6-methyl-5-methyleneperhydrobenzo[b]furan-6-ol

A. R. J. Genge, R. J. Boffey and J. D. Kilburn

Synopsis: The dimeric title compound was isolated from a samarium-io- dide-mediated radical-cascade sequence of methylenecyclo- propyl ketone. The molecule lies about an inversion centre and the X-ray analysis established the stereochemistry.

Formula: C₂₂H₃₄O₄

 

(R_S)-(1R,2S,3R)-2-Methoxy-1,7,7-trimethyl-N-(4-nitrobenzylidene)bicyclo[2.2.1]heptane-3-sulfinamide

W. Zhu, G. Yang and K. Yu

Synopsis: The title compound was synthesized from (+)-camphor. The absolute configuration was determined using the known configuration of (+)-camphor.

Formula: C₁₈H₂₄N₂O₄S

 

Kemp's acid at 120K

A. Hazell and H. Toftlund

Synopsis: The structure of Kemp's acid, cis,cis-1,3,5-cyclohexane-1,3,5-tricarboxylic acid, studied previously by Rebek et al. [J. Am. Chem. Soc. (1985), 107, 7476-7481] and by Chan et al. [J. Crystallogr. Spectrosc. Res. (1991), 21, 297-308] at room temperature, has been redetermined at 120K.

Formula: C₁₂H₁₈O₆

 

5-[(2-Ethoxyphenyl)diazenyl]quinolin-8-ol

X.-F. Chen, X.-H. Zhu, J. J. Vittal and X.-Z. You

Synopsis: The title compound exists as the trans isomer. The dihedral nobreak angle between the phenyl and quinoline rings is 1.9(1)° and the N=N bond distance is 1.249(3)Å. In the solid, intermolecular O-HN hydrogen bonds [2.826 (3) Å and 138°] link the molecules about inversion centres to form dimers.

Formula: C₁₇H₁₅N₃O₂

inorganic compounds

 

Cs₃NbSe₄

O. Krause, C. Näther and W. Bensch

Synopsis: Cs₃NbSe₄ crystallises as a K₃VS₄ type and is isotypic with previously reported K and Rb analogues. The crystal structure is based on discrete tetrahedral [NbSe₄]^3- anions, which are connected via Cs⁺ cations.

Formula: Cs₃NbSe₄

 

Lithium barium arsenide, Li₄Ba₃As₄, containing isolated As^3- and As₂^4- anions

L. Monconduit and C. Belin

Synopsis: Li₄Ba₃As₄ (Immm) is isostructural with Li₄Sr₃Sb₄ and Li₄Ba₃Sb₄. It contains two anionic moieties, namely As₂^4- dumbbells and As^3-, and consists of planes of BaAs₆ octahedra separated by corrugated sheets of Li and Ba atoms.

Formula: Li₄Ba₃As₄

 

Thallium titanium phosphate, Tl₃Ti₃O(PO₄)₃(P₂O₇)

W. T. A. Harrison

Synopsis: The title compound, trithallium trititanium oxide tris(phosphate) diphosphate, is built up from a three-dimensional polyhedral network of TiO₆, PO₄ and P₂O₇ units. It is isostructural with M₃Ti₃O(PO₄)₃(P₂O₇) (M = K, Rb).

Formula: Tl₃Ti₃O(PO₄)₃(P₂O₇)

 

Zinc mercury thiocyanate (ZMTC)

D. Xu, W.-T. Yu, X.-Q. Wang, D.-R. Yuan, M.-K. Lu, P. Yang, S.-Y. Guo, F.-Q. Meng and M.-H. Jiang

Synopsis: Zinc mercury tetrathiocyanate consists of slightly flattened ZnN₄ and HgS₄ tetrahedra linked by -S=C=N- bridges to form infinite three-dimensional -Hg-S=C=N-Zn- networks.

Formula: ZnHg(SCN)₄

 

Pentaamminenitrocobalt(III) hexafluorosilicate(IV) at 293 and 150K

D. Yu. Naumov, N. E. Kashcheeva, E. V. Boldyreva and J. A. K. Howard

Synopsis: The crystal structure of [Co(NO₂)(NH₃)₅](SiF₆) has been determined at 293 and 150K. The complex cations in the structure are linked by N-HF hydrogen bonds to the (SiF₆)^2- anions and by N-HO hydrogen bonds to other cations. The role of these hydrogen bonds and of the repulsive OF interactions in the anisotropy of the structural distortion on cooling is discussed.

Formula: [Co(NO₂)(NH₃)₅](SiF₆)

 

Dirubidium catena-poly[dichloroargentate(I)--chloro]

C. Hasselgren and S. Jagner

Synopsis: The crystal structure of the title compound consists of polymeric chains of corner-sharing AgCl₄ tetrahedra, with Rb⁺ ions situated between the chains.

Formula: Rb₂AgCl₃

 

Dy₃CuGeSe₇

F. Q. Huang and J. A. Ibers

Synopsis: The non-centrosymmetric structure of tridysprosium copper germanium heptaselenide (La₃CuSiS₇ structure type) comprises CuSe₃ triangles, GeSe₄ tetrahedra, and DySe₈ bicapped trigonal prisms.

Formula: Dy₃CuGeSe₇

metal-organic compounds

 

Aqua[9-(1,8-diazafluoren-9-ylidene)amino-1,8-diazafluorenato]hydroxo(urea)zinc(II) urea solvate

R. P. Komen, G. M. Miskelly, A. Oliver and C. E. F. Rickard

Formula: [Zn(C₂₂H₁₂N₅)(OH)(CH₄N₂O)(H₂O)]CH₄N₂O

 

Tetrachlorobis(hexamethylphosphoramide-O)digallium(II)(Ga--Ga)

C. E. F. Rickard, M. J. Taylor and M. Kilner

Formula: [Ga₂Cl₄(C₆H₁₈N₃OP)₂]

 

trans-Chlorodifluorotris(pyridine-N)osmium(III)

S. Kolf and W. Preetz

Formula: [OsClF₂(C₅H₅N)₃]

 

4,4'-Dimethyl-6,6'-bis(morpholinomethyl)-2,2'-[1,3-propanediylbis(nitrilomethylidene)]diphenolato-O,N,N',O'}manganese(II) diperchlorate monohydrate

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

Formula: [Mn(C₂₈H₃₆N₄O₄)](ClO₄)₂H₂O

 

Dichloro(ethylenediaminetetraacetic acid)palladium(II) hexahydrate

X.-M. Luo, X.-H. Chen, S. Shanmuga Sundara Raj, H.-K. Fun and L.-G. Zhu

Formula: [PdCl₂(C₁₀H₁₆N₂O₈)]6H₂O

 

4,4'-Dimethyl-6'-morpholiniomethyl-6-mor-pholinomethyl-2,2'[1,2-ethanediylbis(iminomethylene)]diphenolato}copper(II) perchlorate dihydrate

S. Shanmuga Sundara Raj, D. Velmurugan, K. Gunasekaran, H.-K. Fun, J. Manonmani and M. Kandaswamy

Formula: [Cu(C₂₈H₄₁N₄O₄)]ClO₄2H₂O

 

An exo-polyhedral bicyclic 11-vertex closo-ruthenaborane: [(PPh₃)(CH₃COS)₂RuB₁₀H₈]

Y. Nie, C.-H. Hu, J. Sun, R.-S. Jin and P.-J. Zheng

Formula: [Ru(C₄H₁₄B₁₀O₂S₂)(C₁₈H₁₅P)]

 

A three-ring exo-polyhedral-cyclized nickelaundecaborane cluster: [(CH₃COS)₃NiB₁₀H₇(PPh₃)]

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

Formula: [Ni(C₂₄H₃₁B₁₀O₃PS₃)]

 

Bis(1-methylimidazole-N³)bis(salicylato-O,O')copper(II)

F. Jian, Z. Wang, C. Wei, Z. Bai and X. You

Formula: [Cu(C₇H₅O₃)₂(C₄H₆N₂)₂]

 

catena-Poly[[bis(benzimidazole-N³)copper(II)]--suberato-O,O':O'',O'''] and catena-poly[[[bis(benzimidazole-N³)copper(II)]--sebacato-O,O':O'',O'''] dihydrate]

L. Sieron and M. Bukowska-Strzyzewska

Formula: [Cu(C₈H₁₂O₄)(C₇H₆N₂)₂] and [Cu(C₁₀H₁₆O₄)(C₇H₆N₂)₂]2H₂O

 

Hydroxotriphenyltin 2,6-bis(1H-benzimidazol-2-yl)pyridine hydrate

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

Formula: [Sn(C₆H₅)₃(OH)]C₁₉H₁₃N₅H₂O

 

Di--chloro-bis{[tris(2-pyridylmethyl)amine-⁴N]nickel(II)} bis(triethylammonium) tetraperchlorate

B. Tong, R. E. Norman and S.-C. Chang

Formula: (C₆H₁₆N)₂[Ni₂Cl₂(C₁₈H₁₈N₄)₂](ClO₄)₄

 

A three-dimensional host framework with small tetragonal and large hexagonal channels

C.-H. Kim, S.-G. Lee and I.-H. Suh

Formula: [Cd₃(CN)₆(C₆H₁₃N)₂]C₇H₈

 

Aqua(1,10-phenanthroline)(L-prolinato)copper(II) nitrate monohydrate

R. Venkatraman, J. D. Zubkowski and E. J. Valente

Formula: [Cu(C₅H₈NO₂)(C₁₂H₈N₂)(H₂O)]NO₃H₂O

 

[Cu₂{1,4-bis[(3-methyl-2-pyridyl)amino]phthalazine -H}(N₃)₃] at 40K

A. E. Goeta, L. K. Thompson, C. L. Sheppard, S. S. Tandon, C. W. Lehmann, J. Cosier, C. Webster and J. A. K. Howard

Formula: [Cu₂(C₂₀H₁₇N₆)(N₃)₃]

 

Polymeric (cyclopropane-1,1-dicarboxylato)copper(II)

A. Petri, T. Schwarz, J. Schilling and A. Lentz

Formula: [Cu(C₅H₄O₄)]

 

Tetraaqua(1,10-phenanthroline-N,N)nickel(II) dinitrate monohydrate

S. N. Cherni, A. Driss and T. Jouini

Formula: [Ni(C₁₂H₈N₂)(H₂O)₄](NO₃)₂H₂O

 

A selenium-bridged mixed-metal cluster, (CO)₅(PPh₃)₂FePt₂(₃-Se)

K. Panneerselvam, T.-H. Lu, S.-F. Tung, A. K. Dash and P. Mathur

Formula: [FePt₂Se(C₁₈H₁₅P)₂(CO)₅]

 

Bis[bis(triphenylphosphoranylidene)ammonium] -tetrathiaoxalato-bis[(2-thioxo-1,3-dithiole-4,5-dithiolato)nickelate(II)]

U. Geiser, M. L. Mercuri and J. P. Parakka

Formula: (C₃₆H₃₀NP₂)₂[Ni₂(C₂S₄)(C₃S₅)₂]

 

(L-2-Ammonio-4-methylsulfinylbutanoic acid-S)trichloroplatinum(II)-18-crown-6-water (1/1/2)

C. Bruhn, O. Gravenhorst, C. Wagner and D. Steinborn

Formula: [Pt(C₅H₁₂NO₃S)Cl₃]C₁₂H₂₄O₆2H₂O

 

Intramolecular C-HO and intermolecular N-HO and C-HO interactions in N-ferrocenoylglycine benzyl ester, an effective dihydrogen phosphate anion sensing agent

J. F. Gallagher, P. T. M. Kenny and M. J. Sheehy

Formula: [Fe(C₅H₅)(C₁₅H₁₄NO₃)]

 

Sodium (nitrilotriacetato)magnesate pentahydrate

M. Kaneyoshi, A. Bond and W. Jones

Formula: [MgNa(C₆H₆NO₆)(H₂O)₃]2H₂O

 

Dichlorobis(1-methyl-1H-benzimidazole-N³)cobalt(II)

Y. Shan, M. E. Cádiz, P. L. Sánchez and S. D. Huang

Formula: [CoCl₂(C₈H₈N₂)₂]

 

Two novel zinc(II) complexes of N'-[1-(2-pyridyl)ethylidene]morpholine-4-carbothiohydrazide

N. C. Kasuga, Y. Hara, C. Koumo, K. Sekino and K. Nomiya

Formula: [Zn(C₁₂H₁₅N₄OS)(C₂H₃O₂)] and [Zn(NO₃)₂(C₁₂H₁₆N₄OS)]

 

Tetrakis(methylamine-N)(oxalato-O¹,O²)cobalt(III) perchlorate and tetrakis(ethylamine-N)(oxalato-O¹,O²)cobalt(III) perchlorate monohydrate

Y. Kitamura, N. Azuma, T. Matsuda and Y. Tanabe

Formula: [Co(C₂O₄)(CH₅N)₄]ClO₄ and [Co(C₂O₄)(C₂H₇N)₄]ClO₄H₂O

 

Bis(1,3-dibutylimidazolidin-2-one-O)bis(nitrato-O,O')dioxouranium(VI)

Z. Cao, T. Qi, L. Zhu, D.-C. Zhang, R. Zhou and K.-B. Yu

Formula: [UO₂(NO₃)₂(C₁₁H₂₂N₂O)₂]

 

Three Pt^II catecholate and 1,2-dithiocatecholate complexes

M. J. G. Lesley, W. Clegg, T. B. Marder, N. C. Norman, A. G. Orpen, A. J. Scott and J. Starbuck

Formula: [Pt(C₆H₄O₂)(C₁₈H₁₅P)₂], [Pt(C₆H₄S₂)(C₁₈H₁₅P)₂] and

 

Tetrachlorotetrakis(propan-2-ol)uranium(IV) and tetrachlorotetrakis(propan-2-ol)thorium(IV)

P. L. Gordon, J. A. Thompson, J. G. Watkin, C. J. Burns, N. N. Sauer and B. L. Scott

Formula: [UCl₄(C₃H₈O)₄] and [ThCl₄(C₃H₈O)₄]

 

Poly[[[aqua(2,2'-bipyridine-N,N')cadmium(II)]-₃-sulfito-O:O:O'] hydrate]

M. Harvey, S. Baggio, R. Baggio and H. Pardo

Formula: [Cd(SO₃)(C₁₀H₈N₂)(H₂O)]H₂O

 

Aqua[4-(4-chlorophenyl)-2-phenylthiazole-5-acetato-O]trimethyltin(IV)

M. Parvez, S. Ali, M. Mazhar, M. H. Bhatti and M. N. Khokhar

Formula: [Sn(CH₃)₃(C₁₇H₁₁ClNO₂S)(H₂O)]

 

A trinuclear Pd₂Ni complex, [(C₆H₅)₄ P]₂[(PdCl₃)₂{Ni(C₁₂H₁₈N₂O₂)}]

A. Kamiyama, T. Kajiwara and T. Ito

Formula: (C₂₄H₂₀P)₂[Pd₂NiCl₆(C₁₂H₁₈N₂O₂)]

 

(meso-Tetraethylporphyrinato)bis(tetrahydrofuran)iron(III) perchlorate

Y. Ohgo, T. Saitoh and M. Nakamura

Formula: [Fe(C₂₈H₂₈N₄)(C₄H₈O)₂]ClO₄

organic compounds

 

N,N'-Diphenylguanidinium hydrogen (+)-L-tartrate monohydrate

J. A. Paixão, P. S. Pereira Silva, A. Matos Beja, M. Ramos Silva, E. de Matos Gomes and M. Belsley

Formula: C₁₃H₁₄N₃⁺C₄H₅O₆^-H₂O

 

Bis(N,N'-diphenylguanidinium) oxalate

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

Formula: 2C₁₃H₁₄N₃⁺C₂O₄^2-

 

4-(N-Methylnitramino)pyridine 1-oxide

J. Zaleski, Z. Daszkiewicz and J. B. Kyziol

Formula: C₆H₇N₃O₃ at 300 and 90 K

 

(1R,2R,3R,3'R,4R)-3-[(2-Furyl)hydroxymethyl]-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ol, a new camphor-based chiral auxiliary

M. C. Branco, M. T. doP. Gambardella, M. L. A. A. Vasconcellos and U. G. Barreiros

Formula: C₁₅H₂₂O₃

 

N-Cyclohexyl-6,7-dihydroxyvouacapan-17-carboxamide

M. C. Branco, M. T. doP. Gambardella, S. G. Ruggiero, C. R. A. Maltha, G. M. Stefani and D. Pilo-Veloso

Formula: C₂₆H₃₉NO₄

 

The twisted structure of 9-(4-cyanophenyl)carbazole

S. Saha and A. Samanta

Formula: C₁₉H₁₂N₂

 

Nitro derivatives of glutethimide

A. Danilovski, M. Vinkovic and D. Filic

Formula: C₁₃H₁₄N₂O₄ and C₁₃H₁₃N₃O₆

 

4,6-Bis(benzyloxy)-1,3,5-triazin-2-ylamine

M. Bolte, A. Sommer and C. R. Noe

Formula: C₁₇H₁₆N₄O₂

 

2-(p-Toluoyl)benzoic acid

A. Degen and M. Bolte

Formula: C₁₅H₁₂O₃

 

4-Iodopyridine, a structure with very short nitrogen-iodine contacts

B. Ahrens and P. G. Jones

Formula: C₅H₄IN

 

Colletoketol

U. Höller, A. D. Wright, G. M. König and P. G. Jones

Formula: C₁₄H₁₈O₆

 

X-ray investigations of benzopyran derivatives substituted at position 3

A. J. Rybarczyk, T. A. Olszak, M. Malecka and J. Nawrot-Modranka

Formula: Two isomers of C₁₃H₁₅N₂O₅PS

 

Dimethyl -(2-benzyl-1-methyl-4-phenylsulfonylpyrrolo[3,4-b]indol-3-yl)maleate

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

Formula: C₃₀H₂₆N₂O₆S

 

N-HS hydrogen bonding in N-benzoyl-N'-methyl-N'-phenylthiourea and N-benzoyl-N'-(3,4-dimethylphenyl)thiourea

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

Formula: C₁₅H₁₄N₂OS and C₁₆H₁₆N₂OS

 

The first mixed iodide-dithiocarbamate complex of selenium(II): catena-poly[[(di-n-propyldithiocarbamato-S,S')selenium(II)]--iodo]

S. Rajashree, R. Krishna Kumar, G. Aravamudan, M. R. Udupa, K. Sivakumar and H.-K. Fun

Formula: [SeI(C₇H₁₄NS₂)]

 

(S)-8-Chloro-5-methyl-6-(3-methylbut-2-enyl)-2-thioxo-1H-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1,4]benzodiazepinium bromide methanol solvate

O. M. Peeters, N. M. Blaton and C. J. De Ranter

Formula: C₁₆H₂₁ClN₃S⁺Br^-CH₄O

 

2-Aminobenzimidazolium nitrate at 152K, a triclinic crystal structure with pronounced local pseudo-symmetry

J. W. Bats, D. Gördes and H.-G. Schmalz

Formula: C₇H₈N₃⁺NO₃^-

 

N-(2-Pyridinium)urea nitrate

V. Velikova, S. Bakardjeva and O. Angelova

Formula: C₆H₈N₃O⁺NO₃^-

 

A dithiadiazolylium chloride salt from the reaction of 4-phenyl-1,2,3,5-dithiadiazolyl with gold(I) chloride

J. N. B. Smith, J. M. Rawson and J. E. Davies

Formula: C₇H₅N₂S₂⁺Cl^-0.5CH₂Cl₂

 

N,N-Bis(2-oxopyrrolidin-1-ylmethyl)glycine

X.-J. Zheng, Z.-M. Wang, Y.-Q. Wang, L.-P. Jin, J.-Q. Guo and C.-H. Yan

Formula: C₁₂H₁₉N₃O₄

 

7-Deaza-2'-deoxyisoguanosine adopts the form of an N1--H,2-keto tautomer

F. Seela, C. Wei, H. Reuter and G. Kastner

Formula: C₁₁H₁₄N₄O₄H₂O

 

5,7-Diphenyl[1,2,4]triazolo[1,5-a]pyrimidine at 122K

A. Surdykowski, E. Szlyk and S. Larsen

Formula: C₁₇H₁₂N₄

 

Dichloro[(E)-2-chloro-1-(2-hydroxyprop-2-yl)vinyl](4-methoxyphenyl)tellurium(IV)

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

Formula: C₁₂H₁₅Cl₃O₂Te

 

Two isomers of 1,4a,5,7,8,9,9a,10,11,12a-decahydro-1,4-methanocyclopenta[b]pyrrolo[1,6a-a][3,1]benzoxazin-11-one

G. Stájer, M. Virág and R. Sillanpää

Formula: Two isomers of C₁₅H₁₉NO₂

 

A non-peptide angiotensin II receptor antagonist: 2-butyl-6-methyl-5-(1-oxopyrid-2-yl)-1-{[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl}-1H-imidazo[5,4-b]pyridine methanol solvate

Y.-S. Heo, K. Y. Yi, S. E. Yoo and W. Shin

Formula: C₃₀H₂₈N₈OCH₄O

 

(1S,2S,5S,6S)-5,6-Dihydroxy-6-methylcyclohex-3-en-1,2-diyl diacetate

S. Russi, L. Suescun, A. W. Mombrú, H. Pardo, R. A. Mariezcurrena, M. Brovetto and G. Seoane

Formula: C₁₁H₁₆O₆

 

3,4,5,6-Tetrahydro-2H-naphtho[1,2-b]pyran-2-spiro-2'-1',2',3',4'-tetrahydronaphthalene-1'-one

J. W. Quail, S. N. Pandeya and J. R. Dimmock

Formula: C₂₂H₂₀O₂

 

(S)-2,2'-Bis(methoxymethoxy)[1,1'-binaphthyl]-3,3'-dicarbaldehyde

Y. Tachi, S. Nakayama, F. Tani, G. Ueno and Y. Naruta

Formula: C₂₆H₂₂O₆

 

1-D-1,2:5,6-Di-O-isopropylidene-3-O-(diphenylphosphinoyl)-chiro-inositol, a hydrogen-bonded dimeric structure

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

Formula: C₂₄H₂₉O₇P

 

1-Acetyl-1,2,3,4-tetrahydro-4-methyl-2,4-diphenyl-5H-1,5-benzodiazepine

P. Laavanya, K. Panchanatheswaran, M. Venkatraj, R. Jeyaraman and W. Marshall

Formula: C₂₄H₂₄N₂O

 

2,11-Dithia[3.3.1]paracyclophane, (I), and 2,11-dithia[3.3.2]paracyclophane, (II)

K. Itoh, K. Nishikawa, M. Hashimoto and H. Yamada

Formula: C₂₃H₂₂S₂ and C₂₄H₂₄S₂

 

trans-(6-Bromo-2-cyclohexen-1-yl)pyridinium bromide

X. Han, R. J. Baker and J. Masnovi

Formula: C₁₁H₁₃BrN⁺Br^-

 

3-Butyl-5-hydroxy-4-iodohexahydropyrrolo[1,2-c][1,3]oxazin-1-one

R. A. Batey, D. B. MacKay and A. J. Lough

Formula: C₁₁H₁₈INO₃

 

-Cyano-N-(2,5-dibromophenyl)--hydroxybut-2-enamide

S. Ghosh and F. M. Uckun

Formula: C₁₁H₈Br₂N₂O₂

 

Neotame, an alkylated dipeptide and high intensity sweetener

D. J. Wink, S. A. Schroeder, I. Prakash, K.-C. Lam and A. L. Rheingold

Formula: C₂₀H₃₀N₂O₅H₂O

 

An NH-O intramolecular strong hydrogen bond in N-(2-aminophenyl)naphthaldimine

L. Govindasamy, D. Velmurugan and T. M. Rajendran

Formula: C₁₇H₁₄N₂O

 

(+/-)-2-Aza-3,9-dioxotricyclo[4.4.4.0^1,6]tetradecane: dimeric and catemeric hydrogen bonding in two polymorphs of a propellanoid keto lactam

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

Formula: Two polymorphs of C₁₃H₁₉NO₂

 

(2S*,4S*,5R*)-4-Methyl-2-[(5S*)-3-methyl-4,5-dihydroisoxazol-5-yl]-5-phenyl-3-(toluene-4-sulfonyl)oxazolidine

F. D. Rochon and L. Breau

Formula: C₂₁H₂₄N₂O₄S

 

2,3,4,5,6,7-Hexahydro-9,10-dimethoxy-1,2-benzothiazonin-3-one 1,1-dioxide

A. Linden, T. R. Todorova and H. Heimgartner

Formula: C₁₃H₁₇NO₅S

 

10,10-Dimethyl-1,2,8-thiadiazecan-9-one 1,1-dioxide

A. Linden, T. R. Todorova and H. Heimgartner

Formula: C₉H₁₈N₂O₃S

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