江苏师范大学学报(自然科学版)
江囌師範大學學報(自然科學版)
강소사범대학학보(자연과학판)
Journal of Xuzhou Normal University(Natural Science Edition)
2013年
4期
47-51
,共5页
2,2-二硒化双苯甲酸%2,2-二硫化双苯甲酸%晶体结构
2,2-二硒化雙苯甲痠%2,2-二硫化雙苯甲痠%晶體結構
2,2-이서화쌍분갑산%2,2-이류화쌍분갑산%정체결구
2,2-diselenodibenzoic acid%2,2-dithiodibenzoic acid%crystal structure
以邻氨基苯甲酸、多硒化钠和多硫化钠等为原料,通过重氮化反应分别合成了2,2-二硒化双苯甲酸(1)和2,2-二硫化双苯甲酸(2),在DM F溶液中获得适于单晶X射线衍射的晶体,结构通过X射线衍射分析确定.化合物1属单斜晶系,空间群为 C1/c .a=0.8222(4) nm ,b=1.3229(6) nm ,c=2.1841(12) nm ,β=96.475(3)°,Mr =546.33,V=2.3607(2)nm3,Z=4,Dc =1.537 g/cm3,μ=3.168 mm-1,F(000)=1096.最终偏离因子 R1=0.0365,w R2=0.0851,S=1.032.化合物2属三斜晶系,空间群为 p1.a=0.7563(14) nm ,b=0.7729(14) nm ,c=2.0061(4) nm ,α=83.408(5)°,β=84.961(5)°,γ=83.056(5)°,Mr =452.53,V=1.1531(4) nm3,Z=2,Dc =1.303 g/cm3,μ=0.268 mm-1,F(000)=476.最终偏离因子 R1=0.0543,wR2=0.1361,S=1.074.化合物1和2中均存在分子内和分子间氢键以及C- H…π为非常规的氢键.
以鄰氨基苯甲痠、多硒化鈉和多硫化鈉等為原料,通過重氮化反應分彆閤成瞭2,2-二硒化雙苯甲痠(1)和2,2-二硫化雙苯甲痠(2),在DM F溶液中穫得適于單晶X射線衍射的晶體,結構通過X射線衍射分析確定.化閤物1屬單斜晶繫,空間群為 C1/c .a=0.8222(4) nm ,b=1.3229(6) nm ,c=2.1841(12) nm ,β=96.475(3)°,Mr =546.33,V=2.3607(2)nm3,Z=4,Dc =1.537 g/cm3,μ=3.168 mm-1,F(000)=1096.最終偏離因子 R1=0.0365,w R2=0.0851,S=1.032.化閤物2屬三斜晶繫,空間群為 p1.a=0.7563(14) nm ,b=0.7729(14) nm ,c=2.0061(4) nm ,α=83.408(5)°,β=84.961(5)°,γ=83.056(5)°,Mr =452.53,V=1.1531(4) nm3,Z=2,Dc =1.303 g/cm3,μ=0.268 mm-1,F(000)=476.最終偏離因子 R1=0.0543,wR2=0.1361,S=1.074.化閤物1和2中均存在分子內和分子間氫鍵以及C- H…π為非常規的氫鍵.
이린안기분갑산、다서화납화다류화납등위원료,통과중담화반응분별합성료2,2-이서화쌍분갑산(1)화2,2-이류화쌍분갑산(2),재DM F용액중획득괄우단정X사선연사적정체,결구통과X사선연사분석학정.화합물1속단사정계,공간군위 C1/c .a=0.8222(4) nm ,b=1.3229(6) nm ,c=2.1841(12) nm ,β=96.475(3)°,Mr =546.33,V=2.3607(2)nm3,Z=4,Dc =1.537 g/cm3,μ=3.168 mm-1,F(000)=1096.최종편리인자 R1=0.0365,w R2=0.0851,S=1.032.화합물2속삼사정계,공간군위 p1.a=0.7563(14) nm ,b=0.7729(14) nm ,c=2.0061(4) nm ,α=83.408(5)°,β=84.961(5)°,γ=83.056(5)°,Mr =452.53,V=1.1531(4) nm3,Z=2,Dc =1.303 g/cm3,μ=0.268 mm-1,F(000)=476.최종편리인자 R1=0.0543,wR2=0.1361,S=1.074.화합물1화2중균존재분자내화분자간경건이급C- H…π위비상규적경건.
The title compounds of 2 ,2-diselenodibenzoic acid (1) and 2 ,2-dithiodibenzoic acid (2) were synthesized by the reaction of o-aminobenzoic acid diazotization with Na2Se2 and Na2S2 ,respectively .Two crystals suitable for X-ray diffraction analysis were obtained by recrystallization of the precipitate from DMF .The compound 1 crystal is monoclinic ,space group C1/c with the parameters :a=0 .822 2(4) nm ,b=1 .322 9(6) nm ,c=2 .184 1(12) nm ,β=96 .475(3)° ,Mr=546 .33 ,V=2 .360 7(2)nm3 ,Z=4 ,Dc=1 .537 g/cm3 ,μ=3 .168 mm -1 ,F(000)=1 096 ,R1=0 .036 5 ,wR2 =0 .085 1 ,S=1 .032 .The compound 2 crystal is triclinic ,space group p1 with the parameters :a=0 .756 3(14) nm ,b=0 .772 9(14) nm ,c=2 .006 1(4) nm ,α=83 .408(5)° ,β=84 .961(5)° ,γ=83 .056(5)° ,Mr =452 .53 ,V=1 .153 1(4) nm3 ,Z=2 ,Dc =1 .303 g/cm3 ,μ=0 .268 mm -1 ,F(000)=476 ,R1 = 0 .054 3 ,wR2 =0 .136 1 ,S=1 .074 .In the compound 1 and 2 crystal structure ,there are intramolecular hydrogen bonds and inter-molecular hydrogen bonds ,and C- H…π nonconventional hydrogen bonds ,respectively .