The complex Na10[LaSiW11O39(H2O)4]2?2H2O was synthesized and crystallized in monoclinic,space group P21/n with cell parameters: a=17.9786(9), b=23.5940(2), c=13.1289(8), β=90.141(2)°, V=5569.1(6)3, Mr=6336.60, Z...The complex Na10[LaSiW11O39(H2O)4]2?2H2O was synthesized and crystallized in monoclinic,space group P21/n with cell parameters: a=17.9786(9), b=23.5940(2), c=13.1289(8), β=90.141(2)°, V=5569.1(6)3, Mr=6336.60, Z=2, Dc=3.779g/cm3, (MoKa)= 0.71069? =23.533mm-1, F(000)=5488, T=293(2)K. The final refinement for 8404 observed reflections with I >2s (I) gave R = 0.0595 and wR = 0.1366. Both lanthanide cations are coordinated by nine oxygen atoms in a distorted squareantiprism environment. The LaO bond lengths are from 2.52(1) to 2.63(2).展开更多
基金the foundation of NSF of Fujian Province (2000F002)the foundation of Education Committee of Fujian Province (JA00137).
文摘The complex Na10[LaSiW11O39(H2O)4]2?2H2O was synthesized and crystallized in monoclinic,space group P21/n with cell parameters: a=17.9786(9), b=23.5940(2), c=13.1289(8), β=90.141(2)°, V=5569.1(6)3, Mr=6336.60, Z=2, Dc=3.779g/cm3, (MoKa)= 0.71069? =23.533mm-1, F(000)=5488, T=293(2)K. The final refinement for 8404 observed reflections with I >2s (I) gave R = 0.0595 and wR = 0.1366. Both lanthanide cations are coordinated by nine oxygen atoms in a distorted squareantiprism environment. The LaO bond lengths are from 2.52(1) to 2.63(2).
