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Synthesis and Crystal Structure of the First Guanidinate Complex of Tetravalent Cerium 被引量:1
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作者 周媛 袁福根 +1 位作者 李婷婷 张曼曼 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2013年第3期408-412,共5页
Reaction of Ce(O-t-Bu)2(NO3)2 and sodium guanidinate GuaNa (Gua-=TMS2NC(NC6H11)2-) in THF affords the first guanidinate Ce(IV) complex of Ce2(O-t-Bu)7(Guaˊ) (1, Gua-=(C6H11NH)C(NC6H 11)(NH)-). I... Reaction of Ce(O-t-Bu)2(NO3)2 and sodium guanidinate GuaNa (Gua-=TMS2NC(NC6H11)2-) in THF affords the first guanidinate Ce(IV) complex of Ce2(O-t-Bu)7(Guaˊ) (1, Gua-=(C6H11NH)C(NC6H 11)(NH)-). It crystallizes in monoclinic, space group P21/n with a=15.2937(14), b=17.8409(16), c=19.0454(16), β=97.713(2)°, V=5149.6(8)3 , Z=4, Mr=1014.38, Dc=1.308 g/cm3 , μ=1.787 mm-1 , F(000)=2104, S=1.015, R=0.0451 and wR=0.0901 (I 〉 2σ(I)). In the reaction the cleavage of TMS-N bonds happened unexpectedly. 展开更多
关键词 cerium tetravalent guanidinate crystal structure
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Synthesis and Crystal Structure of a Tetravalent Cerium Complex with a Bridging Triphenolate Ligand 被引量:1
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作者 张曼曼 周媛 +1 位作者 袁福根 李理 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2014年第2期258-262,共5页
Reaction of(NH4)2 Ce(NO3)6 first with NaOtBu in a 1:6 molar ratio in THF, then with an equivalent of 2-bis(salicylidieneamino)methylphenol(H3 salmp) affords the(salmp)2 Ce2-(O)Na4(OtBu)4(THF)4 ·2... Reaction of(NH4)2 Ce(NO3)6 first with NaOtBu in a 1:6 molar ratio in THF, then with an equivalent of 2-bis(salicylidieneamino)methylphenol(H3 salmp) affords the(salmp)2 Ce2-(O)Na4(OtBu)4(THF)4 ·2C6 H6 complex. It crystallizes in monoclinic, space group C2/c with a = 16.5218(14), b = 23.992(2), c = 21.9454(18), β = 97.470(1)°, V = 8625.1(12)3, Z = 4, Mr = 1811.96, Dc = 1.395 g/cm3, μ = 1.126 mm-1, F(000) = 3736, S = 1.061, R = 0.0405 and wR = 0.0932(I 〉 2σ(I)). 展开更多
关键词 cerium tetravalent crystal structure LANTHANIDE
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