本文测定了有机晶体N-(4-硝基苯)-N-甲基-2-氨基乙腈(简称NPAN)在某些醇和酮有机溶剂中的溶解度,研究了NPAN在这些有机溶剂中的溶液热力学性质、溶质与溶剂的相互作用以及溶剂对NPAN结晶习性的影响.根据界面熵因子α值,预测了NPAN晶体在不同溶剂中低指数晶面的晶体生长机制.选择丁酮为生长溶剂,进行单晶生长实验.在35～25℃温度区间内,用溶液降温法在较高过饱和度下成功地培养出尺寸为37×7.0×7.0 mm3的棱柱状透明单晶,所得晶体的外形与预测的结果相吻合.
参考文献
| [1] | Vidakovic P V;Coquillay M;Salin F .N-(4-nitrophenyl)-N-methylaminoacetonitrile:a New Organic Material for Efficient Second Harmonic Generation in Bulk and Waveguide Configurations.I.Growth,Crystal Structure and Characterization of Organic Crystal-cored Fibers[J].Journal of the Optical Society of America B:Optical Physics,1987,4(06):998-1012. |
| [2] | Barzoukas M;Joess D;Fermaux P et al.Quadratic Nonlinear Properties of N-(4-nitrophenyl)-L-prolinol and of a Newly Engineered Molecular Compound N-(4-nitrophenyl)-N-methylaminoacetonitrile:a Comparative Study[J].Journal of the Optical Society of America B:Optical Physics,1987,4(06):977-986. |
| [3] | 张克从;张乐漶.晶体生长科学与技术[M].北京:科学出版社,1997:57. |
| [4] | 王静康,黄向荣,刘秉文,张缨.有机分子晶体晶习预测的研究进展[J].人工晶体学报,2002(03):218-223. |
| [5] | 周公度.晶体结构测定[M].北京:科学出版社,1981:29. |
| [6] | Jolanta Prywer .Theoretical analysis of changes in habit of growing crystals in response to variable growth rates of individual faces[J].Journal of Crystal Growth,1999(1/2):271-285. |
| [7] | Liu XY. .Principles for predicting the morphology of crystals and application to n-paraffin crystals[J].Journal of Crystal Growth,1999(Pt.2):1281-1286. |
| [8] | Pfefer G.;Boistelle R. .Theoretical morphology of adipic acid crystals[J].Journal of Crystal Growth,2000(1/4):615-622. |
| [9] | H.Cano;N.Gabas;J.P.Canselier .Experimental study on the ibuprofen crystal growth morphology in solution[J].Journal of Crystal Growth,2001(3/4):335-341. |
| [10] | J.H.ter Horst;R.M.Geertman;G.M.van Rosmalen .The effect of solvent on crystal morphology[J].Journal of Crystal Growth,2001(1/2):277-284. |
| [11] | Cang HX.;Zhou YH.;Huang WD. .Effects of organic solvents on the morphology of the meta-nitroaniline crystal[J].Journal of Crystal Growth,1998(1/2):236-242. |
| [12] | Mullin J W.Crystallization[M].Butter-worth Heinemann,1997 |
| [13] | Davey R J .The Role of the Solvent in Crystal Growth from Solution[J].Journal of Crystal Growth,1986,76:637-644. |
| [14] | 程能林.溶剂手册[M].北京:化学工业出版社,1994 |
| [15] | 周永洽.分子结构分析[M].北京:化学工业出版社,1991:127-152. |
| [16] | Davey R J;Mullin J W;Whiting M J L .Habit Modification of Succinic Acid Crystal Grown from Different Solvents[J].Journal of Crystal Growth,1982,58:304. |
| [17] | Elwenspoek M .Comment on the αt-Factor of Jackson for Crystal Growth from Solution[J].Journal of Crystal Growth,1986,78:353-356. |
| [18] | 闵乃本.晶体生长的物理基础[M].上海:上海科学技术出版社,1982:320. |
| [19] | Tanaka Yoshiaki;Matsuoka Masakuni .Selection of Solvents for Organic Crystal Growth from Solution[J].Journal of Crystal Growth,1990,99:1130-1133. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%