The complex Sc(PMTFP)3(Ph3PO) has been synthesized,where HPMTFP is 1-phenyl-3-methyl 4-trifluoroacetyl-pyrazolone-5 and Ph3PO is triphenylphosphine oxide.Its crystal structure has been determined with a four-circle X-...The complex Sc(PMTFP)3(Ph3PO) has been synthesized,where HPMTFP is 1-phenyl-3-methyl 4-trifluoroacetyl-pyrazolone-5 and Ph3PO is triphenylphosphine oxide.Its crystal structure has been determined with a four-circle X-ray diffractometer.The crystal is triclinic with space group P1.The cell parameters are as follows:a=1.8462(9) nm;b=1.2891(7) nm,c=1.2772(8) nm;α=64.26(4)°,β=101.44(6) °,γ= 83.66(6)°;V=2.613(3) nm3,Z=2,Dc=1.435 g/cm3.The scandium (Ⅲ) ion is coordinated to seven oxygen atoms,six of which are from three bidentate ligand PMTFP and one from Ph3PO.The average bond length of seven Sc-O bonds is 0.215 nm. The coordination polyhedron takes a distorted mono-capped octahedron arrangement.展开更多
文摘The complex Sc(PMTFP)3(Ph3PO) has been synthesized,where HPMTFP is 1-phenyl-3-methyl 4-trifluoroacetyl-pyrazolone-5 and Ph3PO is triphenylphosphine oxide.Its crystal structure has been determined with a four-circle X-ray diffractometer.The crystal is triclinic with space group P1.The cell parameters are as follows:a=1.8462(9) nm;b=1.2891(7) nm,c=1.2772(8) nm;α=64.26(4)°,β=101.44(6) °,γ= 83.66(6)°;V=2.613(3) nm3,Z=2,Dc=1.435 g/cm3.The scandium (Ⅲ) ion is coordinated to seven oxygen atoms,six of which are from three bidentate ligand PMTFP and one from Ph3PO.The average bond length of seven Sc-O bonds is 0.215 nm. The coordination polyhedron takes a distorted mono-capped octahedron arrangement.