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Citation: Zhang shiwei, Lai Luhua, Shao Meicheng, Tang Youqi. PREPARATION AND STRUCTURE OF CHLORO[N,N'-ETHYLENEBIS(SALICYLIDENEIMINATO)] TETRAHYDROFURANTITANIUM (Ⅲ)[J]. Acta Physico-Chimica Sinica, ;1985, 1(04): 335-339. doi: 10.3866/PKU.WHXB19850407 shu

PREPARATION AND STRUCTURE OF CHLORO[N,N'-ETHYLENEBIS(SALICYLIDENEIMINATO)] TETRAHYDROFURANTITANIUM (Ⅲ)

1.
Institute of Physical Chemistry, Peking University

Received Date: 3 January 1985
Available Online: 15 August 1985

The title complex has been synthesized by reaction of TiCl_3·3THF with salenNa_2 in THF. The solution of this compound, which is very air-sensitive, is able to exist for a long time when free from air. Single crystals were obtained in ether and THF mixed solvents. Crystal structure of the complex has been determined by the direct method from diffractometer data and refined by the least-square method to final R=0.086 and R_W=0.066. The crystals are orthorhombic, space group D_(2h)~(16)-Pbnm with a=0.7458(2), b=1.4075(6), c=1.8752(2) nm, V=1.968(2) nm, z=4. Discrete molecule of Ti(salen)Cl·THF which has mirror symetry in itself sits on crystallography mirror. The co-ordinating geometry of titanium is pseudooctahedral. The reason why the reaction of TiCl·3THF with salen-H_2 only gives oxidized prnduct has been found out. The reactions between the complex and CO_2 or ALR_3 were also studied.
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