洛阳师范学院学报
洛暘師範學院學報
락양사범학원학보
Journal of Luoyang Teachers College
2007年
5期
65~68
,共null页
叶亚飞 马宁 苗少斌 吉保明
葉亞飛 馬寧 苗少斌 吉保明
협아비 마저 묘소빈 길보명
苦味酸锰 晶体结构 锰配合物
苦味痠錳 晶體結構 錳配閤物
고미산맹 정체결구 맹배합물
manganese picrate; crystal structure; manganese complex
通过乙醚缓慢地扩散到六水合苦味酸锰的DMF溶液中的方法得到了标题配合物[Mn2(Pic)4(DMF)8](Pic=苦味酸根阴离子)并进行了X-射线结构表征。该配合物晶体属单斜晶系,P2(1)/c空间群,晶体学参数为:α=15.2561(12),b=19.6756(16),c=12.1328(10)A,β=94.4010(10)°,V=3631.2(5)A^3,Z=2,C48H64Mn2N20O36,Mr=1607.07,Dc=1.470g/cm^2,F(000)=1660,p=0.451mm^-1,最终的一致性因子R=0.0424。在不对称单胞中存在着两种配位环境相同的Mn(Ⅱ)离子,四个DMF中的羰基氧原子和两个苦味酸根离子中的酚氧原子直接和Mn(Ⅱ)离子配位,形成了一个扭曲的八面体几何构型。
通過乙醚緩慢地擴散到六水閤苦味痠錳的DMF溶液中的方法得到瞭標題配閤物[Mn2(Pic)4(DMF)8](Pic=苦味痠根陰離子)併進行瞭X-射線結構錶徵。該配閤物晶體屬單斜晶繫,P2(1)/c空間群,晶體學參數為:α=15.2561(12),b=19.6756(16),c=12.1328(10)A,β=94.4010(10)°,V=3631.2(5)A^3,Z=2,C48H64Mn2N20O36,Mr=1607.07,Dc=1.470g/cm^2,F(000)=1660,p=0.451mm^-1,最終的一緻性因子R=0.0424。在不對稱單胞中存在著兩種配位環境相同的Mn(Ⅱ)離子,四箇DMF中的羰基氧原子和兩箇苦味痠根離子中的酚氧原子直接和Mn(Ⅱ)離子配位,形成瞭一箇扭麯的八麵體幾何構型。
통과을미완만지확산도륙수합고미산맹적DMF용액중적방법득도료표제배합물[Mn2(Pic)4(DMF)8](Pic=고미산근음리자)병진행료X-사선결구표정。해배합물정체속단사정계,P2(1)/c공간군,정체학삼수위:α=15.2561(12),b=19.6756(16),c=12.1328(10)A,β=94.4010(10)°,V=3631.2(5)A^3,Z=2,C48H64Mn2N20O36,Mr=1607.07,Dc=1.470g/cm^2,F(000)=1660,p=0.451mm^-1,최종적일치성인자R=0.0424。재불대칭단포중존재착량충배위배경상동적Mn(Ⅱ)리자,사개DMF중적탄기양원자화량개고미산근리자중적분양원자직접화Mn(Ⅱ)리자배위,형성료일개뉴곡적팔면체궤하구형。
The title complex, [ Mn2 (Pic) 4 (DMF) 8 ] ( Pic = picrate anion), has been obtained by slow diffusion of diethyl ether into a DMF solution of the Mn( Pic)2A· 6H2O and structurally characterized X-ray single -crystal diffraction. It crystallizes in the monoclinic, space group P2( 1 )/c with α = 15. 2561 (12), b = 19. 6756 (16),c = 12. 1328(10)X,β = 94.4010(10)°, V = 3631.2(5) A3, Z = 2, CnsH64Mn2N20O36, Mr = 1607.07, Dc = 1.470 g/cm^3,F(000) = 1660,μ = 0.451 mm^-1, R= 0.0424 and wR = 0. 1119 for 4595 observed reflections with Ⅰ 〉 2δr(Ⅰ). There are two kinds of Mn(Ⅱ) ions which have the same coordination environment in the asymmetric unit cell. The Mn(Ⅱ) is coordinated by four carbonyl O atoms from the DMF molecules and two phenolate O atoms of the picrate anions, forming a distorted octahedral structure.