信阳师范学院学报(自然科学版)
信暘師範學院學報(自然科學版)
신양사범학원학보(자연과학판)
JOURNAL OF XINYANG NORMAL UNIVERSITY(NATURAL SCIENCE EDITION)
2013年
4期
512-515
,共4页
董梅%岑培培%李慧%李冰%周惠良%刘翔宇
董梅%岑培培%李慧%李冰%週惠良%劉翔宇
동매%잠배배%리혜%리빙%주혜량%류상우
合成%4-二甲氨基苯甲醛缩4-氨基-4H-1,2,4-三唑%晶体结构%量子化学%密度泛函法
閤成%4-二甲氨基苯甲醛縮4-氨基-4H-1,2,4-三唑%晶體結構%量子化學%密度汎函法
합성%4-이갑안기분갑철축4-안기-4H-1,2,4-삼서%정체결구%양자화학%밀도범함법
synthesis%4-dimethylaminobenzaldehyde-4-amino-4H-1,2,4-triazole%crystal structure%quantum chemical%density functional theory
以4-氨基-4H-1,2,4-三唑和4-二甲氨基苯甲醛为原料,在乙酸溶液中制备了化合物4-二甲氨基苯甲醛缩4-氨基-4H-1,2,4-三唑并培养出单晶,化学式为C11 H13 N5,晶体结构由X-ray单晶衍射测定.晶体属单斜晶系,空间群P2(1)/n,晶体学参数:a =10.3655(16)?, b =11.1585(19)?, c =9.5248(12)?,β=90.2570(10)°, V =1101.8(3)?3, Z =4, Dc =1.298, F(000)=456,μ=0.084 mm-1, R1=0.0790, wR2=0.1186,可观测衍射点有1183个.采用密度泛函DFT方法对目标化合物进行了计算,对实验结果进行预测和比较,计算了化合物的几何构型和前线轨道,量化计算结果很好地佐证了晶体结构.
以4-氨基-4H-1,2,4-三唑和4-二甲氨基苯甲醛為原料,在乙痠溶液中製備瞭化閤物4-二甲氨基苯甲醛縮4-氨基-4H-1,2,4-三唑併培養齣單晶,化學式為C11 H13 N5,晶體結構由X-ray單晶衍射測定.晶體屬單斜晶繫,空間群P2(1)/n,晶體學參數:a =10.3655(16)?, b =11.1585(19)?, c =9.5248(12)?,β=90.2570(10)°, V =1101.8(3)?3, Z =4, Dc =1.298, F(000)=456,μ=0.084 mm-1, R1=0.0790, wR2=0.1186,可觀測衍射點有1183箇.採用密度汎函DFT方法對目標化閤物進行瞭計算,對實驗結果進行預測和比較,計算瞭化閤物的幾何構型和前線軌道,量化計算結果很好地佐證瞭晶體結構.
이4-안기-4H-1,2,4-삼서화4-이갑안기분갑철위원료,재을산용액중제비료화합물4-이갑안기분갑철축4-안기-4H-1,2,4-삼서병배양출단정,화학식위C11 H13 N5,정체결구유X-ray단정연사측정.정체속단사정계,공간군P2(1)/n,정체학삼수:a =10.3655(16)?, b =11.1585(19)?, c =9.5248(12)?,β=90.2570(10)°, V =1101.8(3)?3, Z =4, Dc =1.298, F(000)=456,μ=0.084 mm-1, R1=0.0790, wR2=0.1186,가관측연사점유1183개.채용밀도범함DFT방법대목표화합물진행료계산,대실험결과진행예측화비교,계산료화합물적궤하구형화전선궤도,양화계산결과흔호지좌증료정체결구.
The title compound 4-Dimethylaminobenzaldehyde-4-amino-4H-1,2,4-triazole has been prepared by 4-amino-4H-1,2,4-triazole and 4-Dimethylaminobenzaldehyde with acetic acid as the catalyst .The chemical formula is C11 H13 N5 .The crystal structure was determined by single-crystal X-ray diffraction.The crystal is monoclinic , space group P2(1)/n with a=10.365 5 (16), b =11.158 5(19), c =9.524 8 (12) ?,β=90.257 0 (10)°, V =1 101.8 (3)?3 , Z =4, Dc =1.298, F(000)=456,μ=0.084 mm-1 , R1 =0.079 0, wR2 =0.118 6 for 1183 observed reflections with I>2σ(I).Theoretical calculation based on density functional theory (DFT) for the title compound is also employed to predict and compare the experimental results , the geometrical structure and frontier or-bital has been computed , and the quantum chemical calculation provides a good testimony for the crystal structure .