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1.
The title compounds, bis(pyridine‐2,6‐dicarboxylato‐N,O,O′)copper(II) monohydrate, [Cu(C7H4NO4)2]·H2O, andbis(pyridine‐2,6‐dicarboxylato‐N,O,O′)zinc(II) trihydrate, [Zn(C7H4NO4)2]·3H2O, have distorted octahedral geometries about the metal centres. Both metal ions are bonded to four O atoms and two pyridyl‐N atoms from the two terdentate ligand molecules, which are nearly perpendicular to each other. The copper(II) complex has twofold crystallographic symmetry and contains two different ligand molecules, one of which is neutral and another doubly ionized. In contrast, the zinc(II) complex contains two identical singly ionized ligand molecules. Both crystal structures are stabilized by O—H?O intermolecular hydrogen bonds between the complex and the water molecules. 相似文献
2.
Li‐Ping Lu Si‐Si Feng Hong‐Mei Zhang Miao‐Li Zhu 《Acta Crystallographica. Section C, Structural Chemistry》2004,60(6):m283-m284
The crystal structure of the title compound, [Cu2(C12H7N2O)2]·H2O, shows that this dinuclear complex has shorter Cu—N, Cu—O and Cu—Cu distances within the coordination sphere than similar reported complexes. The complex molecule is located on a centre of symmetry and the water molecule is on a twofold axis of the space group C2/c. The discrete complex molecules are extended into a two‐dimensional supramolecular array viaπ–π stacking interactions, intermolecular Cu⋯Cu interactions and C—H⋯O hydrogen bonds. 相似文献
3.
Jian Huang Yi‐Zhi Li Gang‐Chun Sun Rong‐Bin Dai Qin‐Xi Li Liu‐Fang Wang Chun‐Gu Xia 《Acta Crystallographica. Section C, Structural Chemistry》2000,56(11):e489-e490
In the title complex, [Cu(C6H4FN2O4)2(H2O)4]·4H2O, the Cu atom is located in the centre of a distorted octahedral geometry. The coordination atoms are six O atoms provided by two carboxylate groups [coordinated in a monodentate mode, with Cu—O = 1.9551 (10) Å] and four water molecules [Cu—O = 1.9241 (13) and 2.5771 (14) Å]. In addition, one intramolecular hydrogen bond and ten intermolecular hydrogen bonds make up a three‐dimensional network. 相似文献
4.
Xi‐Rui Zeng Xiao‐Niu Fang Shie‐Ming Peng Hsiu‐Mei Lin 《Acta Crystallographica. Section C, Structural Chemistry》2003,59(11):m497-m498
The crystal structure of the title compound, [Cu2(C2F3O2)2(C10H8N3O)2]·2CH3CN, contains discrete [Cu2(CF3COO)2(O‐dpa)2] molecules (O‐dpaH is di‐2‐pyridylamine 1‐oxide) which have imposed crystallographic twofold symmetry and an acetonitrile molecule of solvation. The O‐dpa− ligand is both bidentate and bridging, linking two Cu atoms with a separation of 3.4270 (11) Å. Each Cu atom is surrounded by four coordinated atoms that are almost coplanar, with dimensions Cu—N = 1.940 (2) and 1.984 (3) Å, and Cu—O = 1.912 (2) and 1.945 (2) Å. 相似文献
5.
Volodimir D. Vreshch Andrey B. Lysenko Harald Krautscheid Konstantin V. Domasevitch 《Acta Crystallographica. Section C, Structural Chemistry》2006,62(9):m443-m447
In bis[1‐(3‐pyridyl)butane‐1,3‐dionato]copper(II) (the Cu atom occupies a centre of inversion), [Cu(C9H8NO2)2], (I), and bis[1‐(4‐pyridyl)butane‐1,3‐dionato]copper(II) methanol solvate, [Cu(C9H8NO2)2]·CH3OH, (II), the O,O′‐chelating diketonate ligands support square‐planar coordination of the metal ions [Cu—O = 1.948 (1)–1.965 (1) Å]. Weaker Cu⋯N interactions [2.405 (2)–2.499 (2) Å], at both axial sides, occur between symmetry‐related bis(1‐pyridylbutane‐1,3‐dionato)copper(II) molecules. This causes their self‐organization into two‐dimensional square‐grid frameworks, with uniform [6.48 Å for (I)] or alternating [4.72 and 6.66 Å for (II)] interlayer separations. Guest methanol molecules in (II) reside between the distal layers and form weak hydrogen bonds to coordinated O atoms [O⋯O = 3.018 (4) Å]. 相似文献
6.
Zun‐Ting Zhang Xin‐Li Cheng Yun He 《Acta Crystallographica. Section C, Structural Chemistry》2006,62(10):m484-m487
In methylaminium 4′,7‐dihydroxyisoflavone‐3′‐sulfonate dihydrate, CH6N+·C15H9O7S−·2H2O, 11 hydrogen bonds exist between the methylaminium cations, the isoflavone‐3′‐sulfonate anions and the solvent water molecules. In hexaaquairon(II) bis(4′,7‐diethoxyisoflavone‐3′‐sulfonate) tetrahydrate, [Fe(H2O)6](C19H17O7S)2·4H2O, 12 hydrogen bonds exist between the centrosymmetric [Fe(H2O)6]2+ cation, the isoflavone‐3′‐sulfonate anions and the solvent water molecules. Additional π–π stacking interactions generate three‐dimensional supramolecular structures in both compounds. 相似文献
7.
Andrew Bond William Jones 《Acta Crystallographica. Section C, Structural Chemistry》2000,56(4):436-437
The title compound, [Mg(C5H4NOS)2(H2O)2]·C10H8N2O2S2, is a two‐component host–guest material. The 2,2′‐dithiobis(pyridine N‐oxide) molecule has crystallographic twofold symmetry. The metal complex lies on an inversion centre and associates via C—H?S interactions into chains which thread the 2,2′‐dithiobis(pyridine N‐oxide) lattice in perpendicular directions. Hydrogen bonds exist between the water molecules of the diaquamagnesium units and the N—O groups of the host lattice. 相似文献
8.
Yang Kim Brian W. Skelton Allan H. White 《Acta Crystallographica. Section C, Structural Chemistry》2003,59(12):m546-m548
In title anhydrous catena‐poly[[trans‐bis(ethane‐1,2‐diamine‐κ2N,N′)copper(II)]‐μ‐dithionato‐κ2O:O′], [Cu(S2O6)(C2H8N2)2]n or [{H2N(CH2)2NH2}2Cu(O·O2SSO2·O)]∞, successive Cu atoms are bridged by a single doubly charged dithionate group, forming a one‐dimensional polymer with inversion centres at the metal atoms and the mid‐point of the S—S bond [Cu—O = 2.5744 (15) Å]. In title (hydrated) trans‐diaquabis(propane‐1,3‐diamine‐κ2N,N′)copper(II) dithionate, [Cu(C3H10N2)2(H2O)2](S2O6) or [{H2N(CH2)3NH2}2Cu(OH2)2](S2O6), both ions have imposed 2/m symmetry. The `axial' anion components are displaced by a pair of water ligands [Cu—O = 2.439 (3) Å], the shorter Cu—O distance being compensated by the lengthened Cu—N distance [2.0443 (18), cf. 2.0100 (13) and 2.0122 (16) Å]. 相似文献
9.
Sandra Scherb Christian Nther Wolfgang Bensch 《Acta Crystallographica. Section C, Structural Chemistry》2002,58(2):m135-m136
In the crystal structure of the title compound, [Ni2(C4H4O6)2(H2O)2]·3H2O, two nickel cations, two tartrate anions and two water molecules form the dimeric complex. Each nickel cation is in a distorted octahedral environment composed of four O atoms of two crystallographically independent tartrate anions, one water molecule and one O atom of a symmetry‐equivalent tartrate anion. The asymmetric unit contains three additional water molecules which are connected via hydrogen bonding. 相似文献
10.
trans‐Diaquabis(5‐carboxy‐1H‐imidazole‐4‐carboxylato‐κ2N3,O4)cobalt(II) 4,4′‐bipyridine solvate
Rong Cao Yu‐Ling Wang Wen‐Hua Bi 《Acta Crystallographica. Section C, Structural Chemistry》2004,60(12):m609-m611
In the title compound, [Co(C5H3N2O4)2(H2O)2]·C10H8N2, the Co atom is trans‐coordinated by two pairs of N and O atoms from two monoanionic 4,5‐dicarboxyimidazole ligands, and by two O atoms from two coordinated water molecules, in a distorted octahedral geometry. The 4,4′‐bipyridine solvent molecule is not involved in coordination but is linked by an N—H⋯N hydrogen bond to the neutral [Co(C5H3N2O4)2(H2O)2] molecule. Both molecules are located on inversion centers. The crystal packing is stabilized by N—H⋯N and O—H⋯O hydrogen bonds, which produce a three‐dimensional hydrogen‐bonded network. Offset π–π stacking interactions between the pyridine rings of adjacent 4,4′‐bipyridine molecules were observed, with a face‐to‐face distance of 3.345 (1) Å. 相似文献
11.
Li‐Ping Lu Pin Yang Shi‐Dong Qin Miao‐Li Zhu 《Acta Crystallographica. Section C, Structural Chemistry》2004,60(5):m219-m220
The crystal structure of the title compound, [Cu(C4H10N5)2]·H2O, contains two independent copper N,N‐dimethylbiguanide complex units, each with square‐planar coordination of the Cu atom by four N atoms. The two complexes have different symmetry, with one Cu atom lying on an inversion centre and the other on a twofold rotation axis. The Cu—N bond lengths are 1.923 (2) and 1.950 (2) Å in the centrosymmetric complex, and 1.928 (2) and 1.938 (2) Å in the non‐centrosymmetric complex. The crystal structure is stabilized by N—H⋯O, O—H⋯N and N—H⋯N hydrogen bonds; each water molecule forms four hydrogen bonds involving three different Cu complexes. 相似文献
12.
Elguja B. Miminoshvili Alexandre N. Sobolev Tamara N. Sakvarelidze Ketevan E. Miminoshvili Elguja R. Kutelia 《Acta Crystallographica. Section C, Structural Chemistry》2003,59(4):m118-m120
In order to model processes of chemisorption in organic salts formed between dinitrobenzoic acids (DNBH) and secondary amines (R2NH), a series of compounds of composition [MII(3,5‐DNB)2(DMSO)2(H2O)2] (where MII is Zn, Cu, Ni or Co, 3,5‐DNB is the 3,5‐dinitrobenzoate ion, and DMSO is dimethyl sulfoxide) have been prepared. In diaquabis(dimethyl sulfoxide)bis(3,5‐DNB)zinc(II), [Zn(C7H3N2O6)2(C2H6OS)2(H2O)2], the 3,5‐DNB ions and molecules of DMSO are monodentate ligands that are coordinated to the Zn atom through their O atoms. These ligands, together with two molecules of water, form a slightly distorted octahedral coordination environment for the Zn atom, which lies on a center of symmetry. 相似文献
13.
Zhiyong Wu Duanjun Xu Jingyun Wu Michael Y. Chiang 《Acta Crystallographica. Section C, Structural Chemistry》2002,58(7):m374-m376
The title compound, [CuCl(CH4N2S)2]·2C11H6N2O·H2O, consists of molecules of a CuI–thiourea complex, free 4,5‐diazafluoren‐9‐one (dafone) and crystalline water. The planar complex molecule has trigonal coordination geometry around the CuI atom. The dafone and water molecules, which are hydrogen bonded to the CuI complex, are approximately coplanar with this complex. The crystal displays a sheet structure and π–π stacking is observed between neighbouring sheets. 相似文献
14.
Ming‐Liang Tong Shao‐Liang Zheng Xiao‐Ming Chen 《Acta Crystallographica. Section C, Structural Chemistry》2000,56(8):960-962
The title compound, poly[[diaquadibromocadmium‐μ‐(1,3,5,7‐tetraazatricyclo[3.3.1.13,7]decane‐N1:N5)‐aquacadmium‐di‐μ‐bromo‐aquacadmium‐μ‐(1,3,5,7‐tetraazatricyclo[3.3.1.13,7]decane‐N1:N5)‐di‐μ‐bromo] dihydrate], [Cd3Br6(C6H12N4)2(H2O)4]·2H2O, is made up of two‐dimensional neutral rectangular coordination layers. Each rectangular subunit is enclosed by a pair of Cd3(μ2‐Br)6(H2O)3 fragments and a pair of (μ2‐hmt)Cd(H2O)2Br2(μ2‐hmt) fragments as sides (hmt is hexamethylenetetramine). The unique CdII atom in the Cd2Br2 ring in the Cd3(μ2‐Br)6(H2O)3 fragment is in a slightly distorted octahedral CdNOBr4 geometry, surrounded by one hmt ligand [2.433 (5) Å], one aqua ligand [2.273 (4) Å] and four Br atoms [2.6409 (11)–3.0270 (14) Å]. The CdII atom in the (μ2‐hmt)Cd(H2O)2Br2(μ2‐hmt) fragment lies on an inversion center and is in a highly distorted octahedral CdN2O2Br2 geometry, surrounded by two trans‐related N atoms of two hmt ligands [2.479 (5) Å], two trans‐related aqua ligands [2.294 (4) Å] and two trans‐related Br atoms [2.6755 (12) Å]. Adjacent two‐dimensional coordination sheets are connected into a three‐dimensional network by hydrogen bonds involving lattice water molecules, and the aqua, bromo and hmt ligands belonging to different layers. 相似文献
15.
Liang Shen Yi‐Jian Zhang Guo‐Ding Sheng Hua‐Tong Wang 《Acta Crystallographica. Section C, Structural Chemistry》2002,58(7):m382-m384
The title binuclear complex, [CuFe(CN)5(C8H21N5O2)(NO)]·2H2O or [CuFe(nelin)(CN)5(NO)]·2H2O (nelin is 5‐methyl‐5‐nitro‐3,7‐diazanonane‐1,9‐diamine) consists of discrete binuclear mixed‐metal species, with a Cu centre linked to an Fe centre through a cyano bridge, and two water molecules of crystallization. In the complex, the CuII ion is coordinated by five N atoms and has a distorted square‐pyramidal geometry. The FeII centre is in a distorted octahedral environment. 相似文献
16.
Neil F. Curtis Rebekah Pawley Ward T. Robinson 《Acta Crystallographica. Section C, Structural Chemistry》2006,62(8):m352-m354
The title compound, [NiCl(C12H32N6)(H2O)]Cl3·3H2O, has the bis(diamine)‐substituted cyclic tetraamine in a planar coordination to triplet ground‐state NiII [average Ni—N = 2.068 (3) Å], with a chloride ion [Ni—Cl = 2.4520 (5) Å] and a water molecule [Ni—O = 2.177 (2) Å] coordinated in the axial sites. The amine substituents are protonated and equatorially oriented. The amine groups, ammonium groups, water molecules and chloride ions are linked by an extensive hydrogen‐bonding network. 相似文献
17.
Chun‐Xiang Wang Chen‐Xia Du Zhi‐Feng Li 《Acta Crystallographica. Section C, Structural Chemistry》2006,62(10):m488-m490
In the title compound, [Zn(C17H10N5O)2(H2O)2]·4H2O, cyclic water hexamers forming one‐dimensional metal–water chains are observed. The water clusters are trapped by the co‐operative association of coordination interactions and hydrogen bonds. The ZnII ion resides on a centre of symmetry and is in an octahedral coordination environment comprising two O atoms and two N atoms from two 2′‐(4,5‐diazafluoren‐9‐ylidene)picolinohydrazidate ligands and two water molecules. 相似文献
18.
Bernardo Masci Martine Nierlich Pierre Thury 《Acta Crystallographica. Section C, Structural Chemistry》2002,58(2):o86-o87
2,3,6,7‐Tetrahydroxy‐9,10‐dimethyl‐9,10‐dihydro‐9,10‐ethanoanthracene crystallizes with 1,4‐dioxane to give a bis‐solvate, C18H18O4·2C4H8O2. The bis(catechol) molecule is located on a twofold axis and the two aromatic rings form a dihedral angle of 130.61 (4)°. Hydrogen bonds are formed between the hydroxyl groups and either a neighbouring bis(catechol) molecule or the ether‐O atom of a dioxane molecule. 相似文献
19.
Nobuo Okabe Yasunori Muranishi 《Acta Crystallographica. Section C, Structural Chemistry》2003,59(6):m228-m230
The title complexes, trans‐diaquabis(quinoline‐2‐carboxylato‐κ2N,O)cobalt(II)–water–methanol (1/2/2), [Co(C10H6NO2)2(H2O)2]·2CH4O·2H2O, and trans‐diaquabis(quinoline‐2‐carboxylato‐κ2N,O)nickel(II)–water–methanol (1/2/2), [Ni(C10H6NO2)2(H2O)2]·2CH4O·2H2O, are isomorphous and contain CoII and NiII ions at centers of inversion. Both complexes have the same distorted octahedral coordination geometry, and each metal ion is coordinated by two quinoline N atoms, two carboxylate O atoms and two water O atoms. The quinoline‐2‐carboxylate ligands lie in trans positions with respect to one another, forming the equatorial plane, with the two water ligands occupying the axial positions. The complex molecules are linked together by hydrogen bonding involving a series of ring patterns which include the uncoordinated water and methanol molecules. 相似文献
20.
Yang Peng Yi‐Zhi Li Song‐Song Bao Li‐Min Zheng 《Acta Crystallographica. Section C, Structural Chemistry》2004,60(7):m302-m304
In the title compound, [Co(C2H8N2)3]2[Ru2(C2H4O7P2)2Cl2]Cl·3H2O, the building unit contains two crystallographically independent dinuclear [Ru2(hedp)2Cl2]5− anions, where hedp [viz. (1‐hydroxyethylidene)diphosphonate] serves as a bis‐chelating bridging ligand, two types of [Co(en)3]3+ cations, one uncoordinated Cl− anion and five water molecules of crystallization. The [Ru2(hedp)2Cl2]5− anions are connected to one another, forming one‐dimensional chains along the a axis. The [Co(en)3]3+ cations are located between these chains and lie across inversion centres. An extensive series of hydrogen bonds lead to the formation of a three‐dimensional supramolecular network structure, with channels generated along the [100] direction. The uncoordinated water molecules and Cl− anions reside in these channels. 相似文献