scholarly journals trans-Dibromidotetrakis(pyridine-κN)ruthenium(II)

2013 ◽  
Vol 69 (2) ◽  
pp. m105-m105 ◽  
Author(s):  
Xiu-Li Wu ◽  
Ru-Fei Ye ◽  
Ai-Quan Jia ◽  
Qun Chen ◽  
Qian-Feng Zhang

The title complex, [RuBr2(C5H5N)4], contains two independent complex molecules in each of which the RuIIatom is located on a site of 222 symmetry and has a distorted octahedral coordination geometry with four pyridine N atoms and two Br atoms. The Br aroms aretrans-disposed as a result of symmetry.

2007 ◽  
Vol 63 (3) ◽  
pp. m845-m846 ◽  
Author(s):  
Ying-Ju Fan ◽  
Le Wang ◽  
Jian-Ping Ma ◽  
Zhong-Xi Sun

Reaction of indium(III) chloride with (E)-1-[1-(2-pyridyl)ethylidene]thiosemicarbazide afforded the title complex, [In(C8H9N4S)Cl2(C2H5OH)]. The ligand is in the enol form coordinating to the InIII atom through one S atom and two N atoms. The InIII atom is further coordinated by two Cl atoms and an ethanol molecule to complete a distorted octahedral coordination geometry.


2006 ◽  
Vol 62 (4) ◽  
pp. m878-m880
Author(s):  
Yin-Qiu Liu ◽  
Xi-Rui Zeng ◽  
Han-Mao Kuang ◽  
Hua-Long Chen ◽  
Qiu-Yan Luo

The Ni atom in the title complex, [Ni(C2H3O2)2(C15H13N5)] or [Ni(CH3COO)2(tpdaH2)] (tpdaH2 is tripyridyldiamine), has a distorted octahedral coordination geometry formed by the tridentate tpdaH2 ligand and two acetate groups. The tpdaH2 ligand is mer-coordinated, with the N atom of the central pyridine ring in the equatorial position and the N atoms of the peripheral pyridine rings in the axial positions. The remaining three equatorial positions are occupied by the O atoms of two acetate anions. The H atoms of both NH groups of the tpdaH2 ligand are involved in strong hydrogen bonds with O atoms of adjacent complex molecules to form a three-dimensional network.


2013 ◽  
Vol 69 (2) ◽  
pp. m75-m76
Author(s):  
Mariana R. Camilo ◽  
Felipe T. Martins ◽  
Valéria R. S. Malta ◽  
Javier Ellena ◽  
Rose M. Carlos

In the title complex, [Ru(C12H8N2)2(C5H6N2)2](PF6)2, the RuIIatom is bonded to two α-diimine ligands,viz.1,10-phenanthroline (phen), in acisconfiguration, in addition with with two 4-aminopyridine (4Apy) ligands, resulting in a distorted octahedral coordination geometry. N—H...F hydrogen-bonding interactions play an important role in the crystal assembly: 21-screw-axis-related complex molecules and PF6−counter-ions alternate in helical chains formed along theaaxis by means of these contacts. N—H...π contacts (H...centroid = 3.45 Å) are responsible for cross-linking between the helical chains along [001].


2006 ◽  
Vol 62 (5) ◽  
pp. m1079-m1080
Author(s):  
E Yang ◽  
Yi Zheng ◽  
Gu-Yong Chen

In the title complex, [Cu(C8H4O4)(C10H9N3)] n , the benzene-1,4-dicarboxylate dianions bridge the CuII atoms to form polymeric complex chains. The CuII atom has a distorted octahedral coordination geometry. The centroid-to-centroid separation of 3.932 (2) Å indicates π–π stacking between nearly parallel pyridine rings.


2014 ◽  
Vol 70 (12) ◽  
pp. 483-485
Author(s):  
Olgerd O. Shtokvish ◽  
Lyudmila I. Koval ◽  
Vasyl I. Pekhnyo

The title complex, systematic name hexakis(μ2-4-tert-butoxy-4-oxobut-2-en-2-olato)-1:2κ9O2,O4:O2;2:3κ9O2,O4:O2-trizinc, [Zn3(C8H13O3)6], synthesized fromtert-butyl acetoacetate and diethylzinc, consists of trinuclear centrosymmetric molecules of an approximateC3isymmetry. The three metal cations are arranged in a linear fashion, with the central ZnIIatom located on a centre of symmetry. All three metal cations exhibit a distorted octahedral coordination geometry. The terminal ZnIIcations are chelated by threetert-butyl acetoacetate ligands and these units are connected to the central ZnIIatom by the bridging enolate O atoms.


2007 ◽  
Vol 63 (11) ◽  
pp. m2654-m2654 ◽  
Author(s):  
Chun-Bao Tang

The title complex, [Ni(C12H17N2O2)2], possesses a crystallographically imposed center of symmetry occupied by the NiII ion. Each 2-methoxy-6-[3-(methylamino)propyliminomethyl]phenolate ligand coordinates the Ni atom in a tridentate mode [Ni—O = 2.0356 (18) Å, and Ni—N = 2.048 (2) and 2.184 (2) Å], resulting in a distorted octahedral coordination geometry.


2013 ◽  
Vol 69 (12) ◽  
pp. m645-m646
Author(s):  
Qian Liang ◽  
Yulin Wang ◽  
Yan Zhao ◽  
Gaojuan Cao

In the monomeric title complex, [Cd(C2O4)(CH3N5)2(H2O)2], the CdIIion exhibits a distorted octahedral coordination geometry, with the equatorial plane defined by two O atoms from an oxalate ligand and two N atoms from two 5-amino-1H-tetrazole ligands; the axial sites are occupied by two water molecules, with longer Cd—O bond lengths. An intramolecular N—H...O hydrogen bond occurs. In the crystal, N—H...O as well as O—H...O and O—H...N hydrogen bonds (some of which are bifurcated) link the complex molecules into a three-dimensional network.


2006 ◽  
Vol 62 (7) ◽  
pp. m1506-m1507 ◽  
Author(s):  
Huan-Ran Xing ◽  
Xin-Hua Li

In the polymeric title complex, [Co(TBC)(BPE)(H2O)2] n [TBC is the 2,5-dicarboxybenzene-1,4-dicarboxylate dianion (C10H4O8) and BPE is 1,2-bis(4-pyridyl)ethene (C12H10N2)], the CoII ion, located on an inversion centre, assumes a distorted octahedral coordination geometry. The TBC and BPE ligands are located across individual inversion centres and bridge neighbouring CoII ions to form two-dimensional polymeric sheets.


IUCrData ◽  
2016 ◽  
Vol 1 (9) ◽  
Author(s):  
Qiuwen Wang ◽  
Yihan Xiong ◽  
Xuebin Deng

Reaction of the Schiff base ligand (R)-2-(pyrrol-2-ylmethyleneamino)-2′-methoxy-6,6′-dimethyl-1,1′-biphenyl with tetrakis(dimethylamido)vanadium in toluene gives the mononuclear VIVtitle complex, [V(C2H6N)2(C20H19N2O)2]·C7H8, which was isolated as red crystals. The VIVcation is coordinated by two monoanionic bidentate Schiff base ligands and two N atoms of two dimethylamide anions in a VN6distorted octahedral coordination geometry, in which two N atoms from the dimethylamide anions are placed in acis-configuration.


2007 ◽  
Vol 63 (3) ◽  
pp. m737-m739 ◽  
Author(s):  
Wen-Dong Song ◽  
Xian-Xia Guo ◽  
Guo Rong-Fa

In the title complex, [Mn(C7H2N2O7)(C10H8N2)] n , the MnII atom has a distorted octahedral coordination geometry, defined by two N atoms from the 2,2′-bipyridine ligand and four O atoms from two 3,5-dinitrosalicylate dianions. One carboxylate O atom acts as a bridge between adjacent metal centres to form a one-dimensional chain. The Mn...Mn distance is 4.315 (6) Å. The crystal packing is stabilized by intermolecular C—H...O hydrogen interactions.


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