Acta Crystallographica Section C

Crystal Structure Communications

Volume 55, Part 2 (February 1999)

Cover illustration Cover illustration: Tris(tetraethylammonium) tetra-mu3-selenido-tetrakis\[(thiophenolato-S)iron\], see Hauptmann, Schneider, Chen & Henkel, pages 192-194. Displacement ellipsoids are shown at the 50% probability level.

cif-access (metal-organic compounds)

Acta Cryst. (1999). C55, IUC9900004    [ doi:10.1107/S0108270199099904 ]

Potassium 2,4-dichloro-6-nitrophenolate

A. D. Vasiliev and L. A. Solovyov

Synopsis: In the crystal structure of the the title compound, each K+ ion is coordinated to five planar 2,4-dichloro-6-nitrophenolate anions through the O atoms. All the O atoms are involved in the sixfold coordination of potassium.

Formula: K+.C6H2Cl2NO3-

Acta Cryst. (1999). C55, IUC9900008    [ doi:10.1107/S0108270199099898 ]


M. Tsuchimoto and S. Ohba

Synopsis: The title compound, [VO(salen)(NCS)], was prepared by the reaction of [VO(salen)]NO3 with KSCN. The structure was determined in order to observe the coordination of an isothiocyanate ion trans to an oxo O atom. There are two independent complex molecules in the crystal and they have similar distorted octahedral coordination geometries, with V-NCS distances of 2.218(6) and 2.300(5)Å.

Formula: [VO(C16H14N2O2)(NCS)]

cif-access (organic compounds)

Acta Cryst. (1999). C55, IUC9900013    [ doi:10.1107/S0108270199099886 ]


S. Zhong, Y. Deng, K. Yu, J. Zhu, A. Mi, Y. Jiang and G. Zhang

Synopsis: The single-crystal structure of the novel title compound, an analogue of the alkaloid hainanensine which has significant antitumor activity, was determined by X-ray structure analysis. nobreak Hydrogen bonds connect the molecules in pairs.

Formula: C18H21NO4

Acta Cryst. (1999). C55, IUC9900003    [ doi:10.1107/S0108270199099874 ]

Phenathridinium hydrogenselenate monohydrate

M. Slouf and I. Cisarova

Synopsis: The crystal structure of phenathridinium hydrogenselenate monohydrate has been determined by single-crystal X-ray diffraction. The title compound was characterized using IR spectroscopy, powder diffraction and differential scanning calorimetry. No indication of unusual dielectric properties was found.

Formula: C13H10N+.HSeO4-.H2O

Acta Cryst. (1999). C55, IUC9900001    [ doi:10.1107/S0108270199099862 ]

Acetic acid at 40K

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

Synopsis: The structure of the title compound was determined previously by Jones & Templeton [Acta Cryst. (1958), 11, 484] at T = 278 K using the Weissenberg technique, and twice by Nahringbauer [Acta Chem. Scand. (1970), 24, 453-462] at T = 278 and 93 K. The present redetermination at T = 40 K provides data of higher precision, reflected in s.u.'s which are about one third those of Nahringbauer.

Formula: C2H4O2

Acta Cryst. (1999). C55, IUC9900006    [ doi:10.1107/S0108270199099850 ]

Redetermination of 2-propenoic acid at 125K

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

Synopsis: The title compound belongs to the family of [alpha],[beta]-unsaturated carboxylic acids having a Z conformation. The packing is characterized by layers of O-H...O hydrogen-bonded dimers.

Formula: C3H4O2

Acta Cryst. (1999). C55, IUC9900010    [ doi:10.1107/S0108270199099849 ]

Ethyl 7-oxo-3-(4-tolyl)-4,5,6,6a,7,8-hexahydro-3H-cyclopenta[b][1,2,4]triazolo[4,3-a][1,5]benzodiazepine-1-carboxylate and ethyl 3-(4-chlorophenyl)-8-methyl-7-oxo-4,5,6,6a,7,8-hexahydro-3H-cyclopenta[b][1,2,4]triazolo[4,3-a][1,5]benzodiazepine-1-carboxylate

A. Aatif, A. Baouid, A. Hasnaoui, A. Benharref, E. H. Alilou and M. Pierrot

Synopsis: The condensation reaction of 1,5-benzodiazepin-2-one with ethyl hydrazono-[alpha]-bromoglyoxylate in the presence of triethylamine is peri and regioselective, as indicated by the structures of the title cycloadducts. Moreover, these structures indicate that the dipole addition occurs in a unique way on the C=N double bond.

Formula: C23H24N4O3 and C23H26ClN4O3

Acta Cryst. (1999). C55, IUC9900002    [ doi:10.1107/S0108270199099837 ]

(+)-(1R,5S,6R)-1-[3-(9,9-Dimethyl-4,4-dioxo-4[bold lambda]6-thiatricyclo[,6]dec-2-en-5-yl)-2-tert-butyldimethylsilyloxy-4,6-dimethoxyphenyl]-3-methylbutan-1-one methyl tert-butyl ethersolvate at 133K

J. W. Bats, B. Berger, M. Gerlach and M. Reggelin

Synopsis: The absolute configuration of the title compound has been determined. The structure contains two independent molecules with very similar conformations. Torsion angles about corresponding bonds differ by less than 10°. The solvent molecule is not involved in short intermolecular contacts.

Formula: C30H46O6SSi.0.5C5H12O

Acta Cryst. (1999). C55, IUC9900011    [ doi:10.1107/S0108270199099825 ]


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

Synopsis: Coumarin derivatives are used as antifungal compounds, anticoagulants and laser dyes. In the title compound, the dihydrobenzene ring adopts a half-chair conformation and the hydroxyl group is involved in an O-H...O hydrogen bond. The inversion-related molecules are stacked 3.446 (4) Å apart along the c axis.

Formula: C14H12O3

Acta Cryst. (1999). C55, IUC9900005    [ doi:10.1107/S0108270199099813 ]


K. Chinnakali, H.-K. Fun, A. Senthilvelan and V. T. Ramakrishnan

Synopsis: In the title compound, one of the two chlorophenyl rings is disordered with the two different orientations nearly related by a 180° rotation around its bond with the triazole ring. The planar triazole ring makes dihedral angles of 81.1(2) and 78.4(4)° with the two phenyl rings. Around the inversion centre, the molecules exist as an N-H... hydrogen-bonded dimer.

Formula: C14H9Cl2N3S

Acta Cryst. (1999). C55, IUC9900012    [ doi:10.1107/S0108270199099801 ]


S. Gupta, J. K. Ray, K. Chinnakali and H.-K. Fun

Synopsis: In the title compound, the C=C double bond exists in an E configuration. The cyclopentenyl ring adopts a flattened envelope conformation. In the solid state, the molecules are stacked along the a axis.

Formula: C12H14Cl2

Acta Cryst. (1999). C55, IUC9900009    [ doi:10.1107/S0108270199099795 ]


M. S. Løiten, C. Gløgård, B. Dalhus, B. Fjartoft and J. Klaveness

Synopsis: The title compound has two crystallographically independent molecules in the asymmetric unit. In molecule B, all three tert-butyldimethylsilyloxymethyl side chains are positioned on the same side of the aromatic ring plane, but only two of them are on the same side in molecule A.

Formula: C27H51I3O3Si3

Acta Cryst. (1999). C55, IUC9900007    [ doi:10.1107/S0108270199099783 ]

Two 3-substituted 5-nitroindoles

J. G. Garcia, D. R. Billodeaux and F. R. Fronczek

Synopsis: 3-(3-Bromopropyl)-5-nitro-1H-indole, C11H11BrN2O2, and 3-(3-hydroxypropyl)-5-nitro-1H-indole, C11H12N2O3, both have their propyl subunits in the synclinal-synclinal conformation. Bond distances to the terminal substituent on the propyl group are: Br-C 1.955(2) and O-C 1.428(2)Å.

Formula: C11H11BrN2O2 and C11H12N2O3

inorganic compounds

Acta Cryst. (1999). C55, 151-153    [ doi:10.1107/S0108270198011639 ]

Layer structure of (NH4)CoPO4

O. V. Yakubovich, O. V. Karimova, O. V. Dimitrova and W. Massa

Synopsis: Ammonium cobalt orthophosphate hydrate, a synthetic analogue of the ineral niahite, forms two-dimensional four-connected nets of [CoO6] octahedra sharing vertices. Each square mesh is capped by [PO4] tetrahedra sharing an edge and a vertex.

Formula: (NH4)CoPO4.H2O

Acta Cryst. (1999). C55, 154-156    [ doi:10.1107/S0108270198011871 ]

Ba3Mn2O8 determined from neutron powder diffraction

M. T. Weller and S. J. Skinner

Synopsis: The structure of Ba3Mn2O8 has been refined using powder neutron diffraction. It consists of MnO43- tetrahedra separated by barium ions in six- and 12-fold coordination.

Formula: Ba3Mn2O8

Acta Cryst. (1999). C55, 156-157    [ doi:10.1107/S0108270198011123 ]


D. Fratzky, H. Worzala, Th. Goetze and M. Meisel

Synopsis: A synthetic route to single crystals of monoclinic NH4VO(NH3)PO4 has been found. The results of the single-crystal structure analysis are discussed.

Formula: NH4VO(NH3)PO4

metal-organic compounds

Acta Cryst. (1999). C55, 158-160    [ doi:10.1107/S0108270198009937 ]

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

L. Gasque, R. Moreno-Esparza, E. Mollins, J. L. Briansó-Penalva, L. Ruiz-Ramírez and G. Medina-Dickinson

Formula: [Cu(C3H2O4)(C14H12N2)(H2O)].H2O

Acta Cryst. (1999). C55, 160-162    [ doi:10.1107/S0108270198012116 ]

(5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetraazacyclotetradeca-1,4,8,11-tetraene-N,N',N'',N''')nickel(II) diperchlorate

J. Gómez-Lara, E. V. Basiuk, V. A. Basiuk and S. Hernández-Ortega

Formula: [Ni(C16H28N4)](ClO4)2

Acta Cryst. (1999). C55, 162-165    [ doi:10.1107/S0108270198012451 ]

Cubane tetrameric complexes of copper(I) chloride and bromide with triphenyl phosphite

R. D. Pike, W. H. Starnes Jnr and G. B. Carpenter

Formula: [Cu4Cl4(C18H15O3P)4] and [Cu4Br4(C18H15O3P)4]

Acta Cryst. (1999). C55, 165-167    [ doi:10.1107/S0108270198011846 ]

[bold mu]-[1,1'-(1,2-Ethanediyl)bis(1H-1,2,4-triazole)]-N4:N4'-bis{bis[1,1,1-trifluoro-3-(2-thenoyl)acetonato-O,O']copper(II)

B. Li, J. Zou, C. Duan, Y. Liu, X. Wei and Z. Xu

Formula: [Cu2(C8H4F3O2S)4(C6H8N6)]

Acta Cryst. (1999). C55, 167-169    [ doi:10.1107/S0108270198011743 ]


L. Sieron and M. Bukowska-Strzyzewska

Formula: [Cu(CHO2)2(C7H6N2S)2]

Acta Cryst. (1999). C55, 170-172    [ doi:10.1107/S0108270198011706 ]

Redetermination of (diazoaminobenzene)copper(I) at 150K

L. R. Falvello, E. P. Urriolabeitia, U. Mukhopadhyay and D. Ray

Formula: [Cu2(C12H10N3)2]

Acta Cryst. (1999). C55, 172-174    [ doi:10.1107/S0108270198012335 ]

Trichloro[methylenebis(diphenylphosphine oxide-O)]antimony(III)

I. A. Razak, H.-K. Fun, B. M. Yamin, K. Chinnakali, H. Zakaria and N. B. Ismail

Formula: [SbCl3(C25H22O2P2)]

Acta Cryst. (1999). C55, 174-176    [ doi:10.1107/S0108270198012062 ]

A binuclear cadmium(II) complex: bis[bis(N,N-diisopropyldithiocarbamato)cadmium(II)]

F.-F. Jian, Z.-X. Wang, H.-K. Fun, Z.-P. Bai and X.-Z. You

Formula: [Cd2(C7H14NS2)4]

Acta Cryst. (1999). C55, 176-178    [ doi:10.1107/S0108270198011640 ]


N. Petrovcic, B. Kozlevcar, L. Golic, I. Leban and P. Segedin

Formula: [Cu(C7H5O3)2(C6H6N2O)2(H2O)2]

Acta Cryst. (1999). C55, 178-180    [ doi:10.1107/S0108270198011895 ]

Pentaaqua(chelidonato-O4)copper(II) monohydrate

L. Manojlovic-Muir, K. W. Muir, R. A. Campbell, J. E. McKendrick and D. J. Robins

Formula: [Cu(C7H2O6)(H2O)5].H2O

Acta Cryst. (1999). C55, 180-182    [ doi:10.1107/S0108270198011482 ]

catena-Poly[[[bis(1,3-diaminopropane-N,N')nickel(II)]-[bold mu]-(4,4'-bipyridine-N:N')] diperchlorate]

Y.-X. Tong, M.-L. Tong, X.-L. Yu and X.-M. Chen

Formula: [Ni(C3H10N2)2(C10H8N2)](ClO4)2

Acta Cryst. (1999). C55, 182-186    [ doi:10.1107/S0108270198012414 ]

Tricarbonyl[1,1,1-tris(dimethylphosphinomethyl)ethane]chromium(0), -molybdenum(0) and -tungsten(0) complexes

T. Suzuki, T. Imamura and S. Kaizaki

Formula: [Cr(C11H27P3)(CO)3], [Mo(C11H27P3)(CO)3] and [W(C11H27P3)(CO)3]

Acta Cryst. (1999). C55, 186-188    [ doi:10.1107/S0108270198012049 ]

Aquabis(2,2'-bipyridine-N,N')(perchlorato-O)manganese(II) perchlorate

Y. Rodríguez-Martín, J. González-Platas and C. Ruiz-Pérez

Formula: [Mn(ClO4)(C10H8N2)2(H2O)]ClO4

Acta Cryst. (1999). C55, 188-190    [ doi:10.1107/S0108270198012773 ]

A dichloropalladium(II) complex with a mixed-donor bidentate ligand: dichloro[2-(diphenylphosphino)-1-(methylthio)ethane-P,S]palladium(II)

A. S. Abu-Surrah, K. Lappalainen, M. Klinga, M. Leskelä, H. A. Hodali and B. Rieger

Formula: [PdCl2(C15H17PS)]

Acta Cryst. (1999). C55, 190-192    [ doi:10.1107/S0108270198011718 ]

Bis(tetramethylammonium) tetra-[bold mu]3-sulfido-tetrakis[(2,2-dimethylpropanethiolato-S)iron]: a heterocubane complex anion with crystallographically imposed \overline{4}2m symmetry

R. Hauptmann, J. Schneider, M. Köckerling and G. Henkel

Formula: (C4H12N)2[Fe4S4(C5H11S)4]

Acta Cryst. (1999). C55, 192-194    [ doi:10.1107/S0108270198012190 ]

Tris(tetraethylammonium) tetra-[bold mu]3-selenido-tetrakis[(thiophenolato-S)iron]

R. Hauptmann, J. Schneider, C. Chen and G. Henkel

Formula: (C8H20N)3[Fe4Se4(C6H5S)4]

Acta Cryst. (1999). C55, 194-196    [ doi:10.1107/S0108270198010944 ]

Sodium copper(II) trimesate, [NaCu{C6H3(COO)3}(H2O)4].2H2O, a double-sheet coordination polymer with bridging aqua ligands

S. S. Y. Chui, A. Siu and I. D. Williams

Formula: [NaCu(C9H3O6)(H2O)4].2H2O

Acta Cryst. (1999). C55, 196-198    [ doi:10.1107/S0108270198011834 ]

The homoleptic lithium complex [Li(CH3CN)4]ClO4

Y. Yokota, V. G. Young Jnr and J. G. Verkade

Formula: [Li(CH3CN)4]ClO4

Acta Cryst. (1999). C55, 198-200    [ doi:10.1107/S0108270198012323 ]

Samarium 3,5-dinitrobenzoate dihydrate

C. Arici, D. Ülkü, M. N. Tahir and C. Ünaleroglu

Formula: [Sm2(C7H3N2O6)6(H2O)4].2H2O

Acta Cryst. (1999). C55, 200-202    [ doi:10.1107/S0108270198012104 ]

Tricarbonyl[(6a,7,8,9,10,10a-[bold eta])-3,3-diphenyl-3H-benzo[f]chromene]chromium

P. Hannesschlager, P. Brun and G. Pèpe

Formula: [Cr(C25H18O)(CO)3]

organic compounds

Acta Cryst. (1999). C55, 203-206    [ doi:10.1107/S0108270198012761 ]

Hydrogen bonding in 4,4',6,6'-tetramethylbiphenyl-2,2'-dicarboxylic acid

A. J. Dobson and R. E. Gerkin

Formula: C18H18O4

Acta Cryst. (1999). C55, 206-208    [ doi:10.1107/S0108270198011767 ]

Hydrogen bonding in 4-aminohippuric acid

A. J. Dobson and R. E. Gerkin

Formula: C9H10N2O3

Acta Cryst. (1999). C55, 209-211    [ doi:10.1107/S0108270198012694 ]

Hydrogen bonding in (2R,3R)-(+)-2,3-dimethoxybutanedioic acid [(+)-tartaric acid dimethyl ether]

R. E. Gerkin

Formula: C6H10O6

Acta Cryst. (1999). C55, 211-213    [ doi:10.1107/S0108270198012505 ]


L. Suescun, R. A. Mariezcurrena, A. W. Mombrú, D. Davyt and E. Manta

Formula: C11H10N2O

Acta Cryst. (1999). C55, 213-215    [ doi:10.1107/S0108270198012463 ]


M. Parvez, W. Gul, M. Yousaf, M. I. Choudhary, Atta-ur-Rahman and M. R. Khan

Formula: C30H48O

Acta Cryst. (1999). C55, 215-217    [ doi:10.1107/S0108270198011421 ]

Flemiculosin, a novel chalcone

K. Bhattacharyya, S. K. Mazumdar, G. Bocelli, A. Cantoni, A. B. Ray, P. Neogi and G. Mazumdar

Formula: C25H24O4

Acta Cryst. (1999). C55, 217-218    [ doi:10.1107/S0108270198012542 ]

(S)-2-Hydroxy-3-(1H-imidazol-5-yl)propanoic acid hydrate

N. Okabe and Y. Adachi

Formula: C6H8N2O3.H2O

Acta Cryst. (1999). C55, 218-220    [ doi:10.1107/S0108270198009949 ]

A 1:1 complex of 4-nitropyridine N-oxide and 3-hydroxybenzoic acid

R. Moreno-Fuquen, J. Valderrama-Naranjo and A. M. Montaño

Formula: C5H4N2O3.C7H6O3

Acta Cryst. (1999). C55, 220-222    [ doi:10.1107/S0108270198009615 ]


O. Angelova, K. Kossev and V. Atanasov

Formula: C10H15N3S

Acta Cryst. (1999). C55, 222-226    [ doi:10.1107/S010827019801258X ]

Three 3-arylsulfonyl-1,3-oxazolidines

M. Bolte, S. Monz and K. Wagner

Formula: C28H33NO4S, C29H33NO6S and C28H27NO5S

Acta Cryst. (1999). C55, 226-228    [ doi:10.1107/S0108270198012402 ]

cis-1,2,3,6-Tetrahydrophthalic anhydride at 173K

M. Bolte and C. Bauch

Formula: C8H8O3

Acta Cryst. (1999). C55, 228-230    [ doi:10.1107/S0108270198011962 ]

[Delta]8,9-Decarboxyfibleucin from Fibraurea chloroleuca Miers

N. A. Bakhari, S. T. Wah, K. Chinnakali, H.-K. Fun and I. A. Razak

Formula: C19H20O4

Acta Cryst. (1999). C55, 230-232    [ doi:10.1107/S0108270198012396 ]

1,4-Bis[4-(1-pyridinium)styryl]benzene ditosylate

G. R. Clark, W. A. Denny and C. J. Squire

Formula: C32H26N22+.2C7H7O3S-

Acta Cryst. (1999). C55, 232-234    [ doi:10.1107/S0108270198008415 ]

Two new compounds by reaction of taurolidine with methylene glycol

A. R. Kennedy, G. G. Skellern, R. W. Pfirrmann, G. A. Smail, N. Shankland and A. J. Florence

Formula: C5H10N2O3S and C12H24N6O6S3

Acta Cryst. (1999). C55, 234-236    [ doi:10.1107/S0108270198012852 ]


S. Finnie, A. R. Kennedy, K. V. R. Prasad, R. I. Ristic, D. B. Sheen and J. N. Sherwood

Formula: C10H11NO3

Acta Cryst. (1999). C55, 236-239    [ doi:10.1107/S010827019801275X ]

[2,3:5,6]Dibenzo[2.2.2]octa-2,5,7-triene (C2/c) and [2,3:5,6]dibenzo[2.2.2]octa-2,5-diene

L. Burrows, J. Masnovi and R. J. Baker

Formula: C16H12 and C16H14

Acta Cryst. (1999). C55, 239-241    [ doi:10.1107/S0108270198009962 ]

Two (Z)-3-aryl(alkyl)ideneisoindolin-1-ones

N. G. Kundu, M. W. Khan, S. Guha and A. K. Mukherjee

Formula: C16H13NO2 and C19H19NO2

Acta Cryst. (1999). C55, 241-243    [ doi:10.1107/S010827019801172X ]

2-tert-Butoxycarbonylamino-2-isopropyl-4-pentenamide, a new conformationally restricted [alpha],[alpha]-dialkylglycine derivative

R. Badorrey, C. Cativiela, M. D. Díaz-de-Villegas, J. A. Gálvez and Y. Lapeña

Formula: C13H24N2O3

Acta Cryst. (1999). C55, 243-245    [ doi:10.1107/S0108270198011196 ]


E. Kendi, S. Özbey and H. Göker

Formula: C14H9Cl3N2

Acta Cryst. (1999). C55, 245-248    [ doi:10.1107/S0108270198012050 ]

4-Chloro-2-[2-(dimethylamino)ethylaminomethyl]phenol and 2-[2-(dimethylamino)ethylaminomethyl]-6-methoxyphenol

L. E. Khoo, H. J. Hu and A. Hazell

Formula: C11H17ClN2O and C12H20N2O2

Acta Cryst. (1999). C55, 248-250    [ doi:10.1107/S0108270198012281 ]


T. Hökelek, Z. Kiliç and S. Bilge

Formula: C21H24N2O3

Acta Cryst. (1999). C55, 250-252    [ doi:10.1107/S0108270198012700 ]


J. C. Bryan, G. J. Bunick and R. A. Sachleben

Formula: C32H32O8

Acta Cryst. (1999). C55, 252-254    [ doi:10.1107/S0108270198012128 ]


S. Saha and A. Samanta

Formula: C13H16N4O3

Acta Cryst. (1999). C55, 254-256    [ doi:10.1107/S0108270198011883 ]

A 1-alkylated pteridine, C15H19ClN6O3

M. Helliwell, A. Dinsmore, C. D. Garner and J. A. Joule

Formula: C15H19ClN6O3

Acta Cryst. (1999). C55, 256-258    [ doi:10.1107/S0108270198010774 ]


M. P. Martínez-Alcázar, I. Fonseca, F. H. Cano and J. G. Rodríguez

Formula: C15H14ClNO

Acta Cryst. (1999). C55, 258-260    [ doi:10.1107/S0108270198012268 ]


A. Elmali, M. Kabak and Y. Elerman

Formula: C20H12N2O4

Acta Cryst. (1999). C55, 260-262    [ doi:10.1107/S0108270198011184 ]

Ethyl mustard oil sulfide hydrochloride

J. Beck and J. Walter

Formula: C6H11N2S3+.Cl-

Acta Cryst. (1999). C55, 262-264    [ doi:10.1107/S0108270198012384 ]

1,2:5,6-Di-O-isopropylidene-[alpha]-D-glucofuranosyl (S)-cyclohexanesulfinate

C. Alayrac, J.-F. Saint-Clair, M. Lemarié, P. Metzner and M.-T. Averbuch-Pouchot

Formula: C18H30O7S

Acta Cryst. (1999). C55, 264-266    [ doi:10.1107/S0108270198012359 ]

A 2:1 co-crystal of 5-(2-pyridyl)-1H-1,2,4-triazole and 1,4-dihydroxybenzene

M. Nieuwenhuyzen, R. Keirse, B. Shaw and J. G. Vos

Formula: 2C7H6N4.C6H6O2

Acta Cryst. (1999). C55, 266-268    [ doi:10.1107/S0108270198010993 ]

Isoavarol diacetate

S. G. Ilyin, L. K. Shubina, V. A. Stonik and M. Yu. Antipin

Formula: C25H34O4

Acta Cryst. (1999). C55, 268-270    [ doi:10.1107/S0108270198013869 ]


K. J. McCullough, I. Perner and G. M. Rosair

Formula: C13H16O2

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