New Molecular Niobium(IV) Complexes NbX4(OPPh3)2 (X = Cl, Br): Synthesis, Crystal and Electronic Structure

被引：0

作者：

P. A. Poltarak

V. Yu. Komarov

S. G. Kozlova

V. A. Nadolinnyi

A. A. Poltarak

S. B. Artemkina

V. E. Fedorov

机构：

[1] Russian Academy of Sciences,Nikolaev Institute of Inorganic Chemistry, Siberian Branch

[2] Novosibirsk State University,undefined

来源：

Journal of Structural Chemistry | 2019年 / 60卷

关键词：

niobium; synthesis; crystal structure; EPR spectroscopy; chloride; bromide; triphenylphosphine oxide;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

New molecular niobium(IV) complexes NbCl4(OPPh3)2(1) and NbBr4(OPPh3)2(2) are synthesized by heating respective niobium pentahalide with a mixture of triphenylphosphine and triphenylphosphine oxide. For the obtained compounds the crystal structure is solved: 1P-1, a = 13.3540(5) Å, b = 9.4461(3) Å, c = 9.5635(3) Å, α = 93.084(1)°, β = 121.263(1)°, γ = 115.058(1)°, Z = 1, R1 = 0.0194; 2P-1, a = 13.308(2) Å, b = 9.5934(8) Å, c = 9.5556(9) Å, α = 93.975(3),°, β = 119.391(4)°, γ = 114.740(4)°, Z = 1, R1 = 0.0184. The unpaired electron is mainly located on the niobium atom, which is supported by quantum chemical calculations and EPR spectroscopic results.

引用

页码：457 / 465

页数：8

共 50 条

[41] IRON-NITRATO IRON-NITROSYL - A NEW REDOX COUPLE FOR THE ACTIVATION AND TRANSFER OF DIOXYGEN - X-RAY STRUCTURE OF FE (NO3)2 (OPPH3)2CL
TOMI, F
WAH, HLK
POSTEL, M
NEW JOURNAL OF CHEMISTRY, 1988, 12 (05) : 289 - 292
[42] ON THE RELATIONSHIP BETWEEN THE STRUCTURES OF CU(II) COMPLEXES AND THE COURSE OF THEIR THERMAL-DECOMPOSITION .15. THERMAL-DECOMPOSITION OF COMPLEXES CU4O(CL+BR)6(OPPH3)4
LANGFELDEROVA, H
MAKAOVA, D
JORIK, V
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 1994, 41 (01) : 37 - 51
[43] Structure and bonding in NbX5 X = (F, Cl, Br and I) complexes: a molecular orbital perspective in the C-H bond activation
Silva, Telles Cardoso
Pires, Maira dos Santos
de Castro, Alexandre Alves
Tavares Lacerda, Livia Clara
Juliaci Rocha, Marcus Vinicius
Ramalho, Teodorico Castro
THEORETICAL CHEMISTRY ACCOUNTS, 2018, 137 (11)
[44] Selective formation and characterization of oxorhenium(II) complexes with 2-methylquinolin-8-ylamido (Hamq).: Interconversion between [ReOX2(Hamq)(PPh3)] and [ReOX2(Hamq)(OPPh3)] (X = Cl, Br)
Ohashi, T
Miyashita, Y
Yamada, Y
Fujisawa, K
Okamoto, K
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 2003, 76 (06) : 1199 - 1205
[45] Ligand substitution reactions of the [ReX6]2- (X = Cl, Br) anions.: Synthesis and crystal structure of novel oxalato complexes of rhenium(IV)
Chiozzone, R
Cuevas, A
González, R
Kremer, C
Armentano, D
De Munno, G
Faus, J
INORGANICA CHIMICA ACTA, 2006, 359 (07) : 2194 - 2200
[46] Halide Complexes [(2-Br-5-MePy)2ZnX2] (X = Cl, Br): Structure and Noncovalent Interactions in the Crystal Structure
M. A. Vershinin
A. S. Novikov
S. A. Adonin
Russian Journal of Coordination Chemistry, 2023, 49 : 294 - 298
[47] Halide Complexes [(2-Br-5-MePy)2ZnX2] (X = Cl, Br): Structure and Noncovalent Interactions in the Crystal Structure
Vershinin, M. A.
Novikov, A. S.
Adonin, S. A.
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY, 2023, 49 (05) : 294 - 298
[48] New polynuclear indium nitrogen compounds -: Synthesis and crystal structures of [In4X4(NtBu)4] (X = Cl, Br, I) and [In3Br4(NtBu)(NHtBu)3]
Grabowy, T
Merzweiler, K
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 2000, 626 (03): : 736 - 740
[49] Selective formation and characterization of oxorhenium(V) complexes with 2-methylquinolin-8-ylamido (Hamq). Interconversion between [ReOX2(Hamq)(PPH3)] and [ReOX2(Hamq)(OPPH3)] (X = Cl, Br)
Miyashita, Y., 1600, Chemical Society of Japan (76):
[50] X-band, Q-band EPR and EHT-MO calculations on [ReII(NO)Cl2(OPPh3)3] [ReO4]
Voigt, A
Abram, U
Böttcher, R
Strauch, P
Kirmse, R
INORGANIC CHEMISTRY COMMUNICATIONS, 1998, 1 (10) : 389 - 391

← 1 2 3 4 5 →