The title complex 1.THF has been synthesized by the reaction of [HO-4,6-di-^tBu- C6H2-2-CH2{CH（IPrNCHCHN）}]C1 with NdCl3 in a 2：1 molar ratio in THF, and characterized by single-crystal X-ray diffraction. It crysta...The title complex 1.THF has been synthesized by the reaction of [HO-4,6-di-^tBu- C6H2-2-CH2{CH（IPrNCHCHN）}]C1 with NdCl3 in a 2：1 molar ratio in THF, and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic, space group P2dc with a = 9.6501 （14）, b = 16.393（2）, c = 36.745（6） ]A, β = 97.444（4）^o, V= 5763.7（15） ]A^3, Mr= 1124.69, Z = 4, Dc= 1.296 g/cm^3, μ（MoKa） = 1.175 mm-1, F（000） = 2348, the final R = 0.0729 and wR = 0.1762 for 8735 observed reflections with 1 〉 2σ（I）. Complex 1 consists of an anion [NdC15（THF）]^2- and two cations [HO-4,6-di-tBu-C6H2-2-CH2{CH（iprNCHCHN）}]2^＋ to form a layer structure by the interconnection of anions and cations via hydrogen bonding. The central metal Nd in the anionic unit is coordinated by five C1 atoms and one oxygen atom from solvated THF molecule assuming a distorted octahedral geometry.展开更多
The title complex L3Y（L = [O-4,6-di-tBu-C6H2-2-CH{CH（iPr2NCHCHN） }]） has been synthesized by the reaction of LiY[N（iPr） 2]4 with H2LCl and LiBu in a 1：3：2 molar ratio at 0 ℃ in THF,and characterized by single...The title complex L3Y（L = [O-4,6-di-tBu-C6H2-2-CH{CH（iPr2NCHCHN） }]） has been synthesized by the reaction of LiY[N（iPr） 2]4 with H2LCl and LiBu in a 1：3：2 molar ratio at 0 ℃ in THF,and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic,space group P21 with a = 14.3612（16） ,b = 14.7524（14） ,c = 16.898（2） ,β = 105.708（3） o,V = 3446.3（6） A^3,Mr = 1203.50,Z = 2,Dc = 1.160 Mg/m^3,μ（MoKα） = 0.90 mm^-1 and F（000） = 1296. The structure was refined to R = 0.050 and wR = 0.110 for 10213 observed reflections with I 〉 2σ（I） . The Y ion is coordinated to three phenoxo groups and three NHC ligands to form a distorted octahedral geometry. The temperature effect on the reaction leads to the 1,2-benzyl migration of NHC ligand to form the title complex.展开更多
基金National Natural Science Foundation of China (20632040)
文摘The title complex 1.THF has been synthesized by the reaction of [HO-4,6-di-^tBu- C6H2-2-CH2{CH（IPrNCHCHN）}]C1 with NdCl3 in a 2：1 molar ratio in THF, and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic, space group P2dc with a = 9.6501 （14）, b = 16.393（2）, c = 36.745（6） ]A, β = 97.444（4）^o, V= 5763.7（15） ]A^3, Mr= 1124.69, Z = 4, Dc= 1.296 g/cm^3, μ（MoKa） = 1.175 mm-1, F（000） = 2348, the final R = 0.0729 and wR = 0.1762 for 8735 observed reflections with 1 〉 2σ（I）. Complex 1 consists of an anion [NdC15（THF）]^2- and two cations [HO-4,6-di-tBu-C6H2-2-CH2{CH（iprNCHCHN）}]2^＋ to form a layer structure by the interconnection of anions and cations via hydrogen bonding. The central metal Nd in the anionic unit is coordinated by five C1 atoms and one oxygen atom from solvated THF molecule assuming a distorted octahedral geometry.
基金Supported by Sichuan Application Basic Foundation (2009JY0075)
文摘The title complex L3Y（L = [O-4,6-di-tBu-C6H2-2-CH{CH（iPr2NCHCHN） }]） has been synthesized by the reaction of LiY[N（iPr） 2]4 with H2LCl and LiBu in a 1：3：2 molar ratio at 0 ℃ in THF,and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic,space group P21 with a = 14.3612（16） ,b = 14.7524（14） ,c = 16.898（2） ,β = 105.708（3） o,V = 3446.3（6） A^3,Mr = 1203.50,Z = 2,Dc = 1.160 Mg/m^3,μ（MoKα） = 0.90 mm^-1 and F（000） = 1296. The structure was refined to R = 0.050 and wR = 0.110 for 10213 observed reflections with I 〉 2σ（I） . The Y ion is coordinated to three phenoxo groups and three NHC ligands to form a distorted octahedral geometry. The temperature effect on the reaction leads to the 1,2-benzyl migration of NHC ligand to form the title complex.
