About the Cover: 1999, 57(7) 15 July 1999 Previous issue Next issue Current Issue Original Articles Original Articles Theoretical studies of various possible structures of C~nSi(n=28,29) Ge Maofa;Feng Jikang;Cui Meng;Wang Sufan;Tian Weiquan Acta Chimica Sinica 1999, 57 (7), pp 645-652 Abstract( 1656) PDF(387KB)( 328 ) Related Articles | Metrics The study of quaternary spinel phase Li--Mn--O(M=Ni,Cr,Mo,V) cathode He Tao;Wu Haoqing Acta Chimica Sinica 1999, 57 (7), pp 653-658 Abstract( 1709) PDF(280KB)( 378 ) Related Articles | Metrics Studies on the chiral selectivity of transmembrane transport of the pt(Ⅱ)complexeswith 1,2--diaminocyclohexane as carrier ligand into human erythrocytes Gao Yuxi;Li Rongchang;Wu Gang;Lu Jingfen;Wang Kui Acta Chimica Sinica 1999, 57 (7), pp 659-666 Abstract( 1643) PDF(414KB)( 440 ) Related Articles | Metrics Theoretical study on structure change of hypericin Zhang Hongyu Acta Chimica Sinica 1999, 57 (7), pp 667-671 Abstract( 1382) PDF(214KB)( 341 ) Related Articles | Metrics Ab initio study of silver--sulfur binary [Ag.(Ag~2S)~n]^+(n=3,4) cluster Cui Meng;Feng Jikang;Ge Maofa;Wang Sufan;Huang Xuri;Sun Jiazhong;Liu Peng Acta Chimica Sinica 1999, 57 (7), pp 672-679 Abstract( 1596) PDF(327KB)( 592 ) Related Articles | Metrics Computational studies of the structure and vibrational spectra of hexachlorodisilane Xu Xuejun;Xue Ying;Xie Daiqian;Yan Guosen Acta Chimica Sinica 1999, 57 (7), pp 680-684 Abstract( 1459) PDF(269KB)( 716 ) Related Articles | Metrics A photoeletrochemical study of sno~2 nanoporous film electrode sensitized by composite PbS/RuL~2(NCS)~2 Li Weihua;Hao Yanzhong;Qiao Xuebin;Wang Yanqin;Yang Maizhi;Cheng Humin;Cai Shengmin Acta Chimica Sinica 1999, 57 (7), pp 685-691 Abstract( 1733) PDF(716KB)( 850 ) Related Articles | Metrics Self --function regression method : Studies on thenmokinetics of consecutive First-Order reactions Chen Yong;Meng Xiangguang;Xie Jiaqing;Zhang Yuanqin;Zeng Xiancheng Acta Chimica Sinica 1999, 57 (7), pp 692-695 Abstract( 1629) PDF(173KB)( 519 ) Related Articles | Metrics Density functional theory(DFT) studies on molecular geometries IR frequencies and thermodynamic properties of methyl and ethyl nitrates Gong Xuedong;Xiao Heming Acta Chimica Sinica 1999, 57 (7), pp 696-705 Abstract( 1781) PDF(403KB)( 390 ) Related Articles | Metrics Design,syntheses and bikological activity of novel herbicdes targeting als 8: Studies on structure-activity relationships of fused heterocyclic sulfonamidc herbicides combined hansch analyses and CoMFA method Yang Guangfu;Liu Huayin;Yang Xiufeng;Yang Huazheng Acta Chimica Sinica 1999, 57 (7), pp 706-711 Abstract( 1773) PDF(279KB)( 611 ) Related Articles | Metrics Theoretical studies on the heterofullerenes C~5~9Si and C~6~9Si Chen Zhongfang;Ma Keqin;Shang Zhenfeng;Pan Yinming;Zhao Xuezhuang;Tang Aoqing Acta Chimica Sinica 1999, 57 (7), pp 712-717 Abstract( 1525) PDF(337KB)( 564 ) Related Articles | Metrics Studies on HeI ultraviolet photoelectron spectra and electrkonic structure of N-(2-bromo-ethyl)carbazole and N-ethenylcarbazole Chen Ruizhi;Zheng Shijun;Ren Jie;Wang Dianxun Acta Chimica Sinica 1999, 57 (7), pp 718-723 Abstract( 1625) PDF(293KB)( 458 ) Related Articles | Metrics Long--range electron transfer in peptides: A theoretical study of electron transfer between trytophan and tyrosine Li Xiangyuan;Liu Pingyun;Li Kun;He Fucheng Acta Chimica Sinica 1999, 57 (7), pp 724-729 Abstract( 1561) PDF(298KB)( 867 ) Related Articles | Metrics Theoretical studies of structures,electronic spectra and nonlinear second-order optical properties of two diacetyleny-substituted[60] fullerene Ren Aimin;Feng Jikang;Sun Xiuyun;Fu Wei;Wang Sufan Acta Chimica Sinica 1999, 57 (7), pp 730-739 Abstract( 1534) PDF(424KB)( 429 ) Related Articles | Metrics Theoretical study of the reaction HNCO+OH--NH~2+CO~2 Shi Tujin;Li Zonghe;Liu Ruozhuang Acta Chimica Sinica 1999, 57 (7), pp 740-745 Abstract( 1528) PDF(277KB)( 363 ) Related Articles | Metrics 12-tungstophosphoric heteropolyacid supported on MCM-41 as acid catalyst Sun Yu;Le Yinghong;Li Huiyun;Gao Zi Acta Chimica Sinica 1999, 57 (7), pp 746-753 Abstract( 1753) PDF(395KB)( 534 ) Related Articles | Metrics An ab initio study on nonlinear optical properties of squarates Yang Mingli;Sun Zemin;Yan Guosen Acta Chimica Sinica 1999, 57 (7), pp 754-759 Abstract( 1689) PDF(282KB)( 577 ) Related Articles | Metrics Molecular orientation of self-assembled monolayers of azobenzene derivatives Zhang Haoli;Zhang Jin;Li Haiying;Liu Zhongfan;Li Hulin Acta Chimica Sinica 1999, 57 (7), pp 760-768 Abstract( 1808) PDF(468KB)( 651 ) Related Articles | Metrics Structural type and characteristic patterns of ^1^8^3W NMR spectra for the substituted derivatives of lacunary XW~9O^1^0^-~3~4(X=Si,Ge) anions Liu Jingfu;Wang Xiaohong;Ma Jianfang;Meng Lu Acta Chimica Sinica 1999, 57 (7), pp 769-774 Abstract( 1630) PDF(269KB)( 343 ) Related Articles | Metrics The properties of Al~3Fe melt under the different temperatures Li Hui;Bian Xiufang;Liu Xiangfa;Li Yuchen Acta Chimica Sinica 1999, 57 (7), pp 775-781 Abstract( 1690) PDF(358KB)( 493 ) Related Articles | Metrics Preparation, charactreization, and catalytic properties of Co-M-Al (M=transition metal)mixed oxides derived from hydrotalcite-like compound Liu Yu;Yang Xiangguang;Wang Xuezhong;Wu Yue Acta Chimica Sinica 1999, 57 (7), pp 782-789 Abstract( 2009) PDF(393KB)( 498 ) Related Articles | Metrics Generation of sillicon oxide and aluminum oxide compound clusters by laser ablation of silliceous materials Xu Can;Zhao Li;Qian Shixiong;Li Yufen;Long Yingcai Acta Chimica Sinica 1999, 57 (7), pp 790-796 Abstract( 1680) PDF(363KB)( 374 ) Related Articles | Metrics Synthesis, structure and properties of Ba~1~-~1~.~5~yLa~ySn~xTi~1~- ~xO~3 solid solutions Ding Shiwen;Di Yongqing;Ma Ancheng;Wang Zhiqiang;Li Jinlong Acta Chimica Sinica 1999, 57 (7), pp 797-800 Abstract( 1753) PDF(411KB)( 355 ) Related Articles | Metrics Application of novel selective ^1H NMR techniques to the structural determination of a new trierpenoid glycoside Miao Zhenchun;Feng Rui;Wei Feng Acta Chimica Sinica 1999, 57 (7), pp 801-807 Abstract( 1448) PDF(311KB)( 668 ) Related Articles | Metrics Study on reactivity of five - coordinate bicycloazastannoxides 5: Alkylation with halides Yang Xiaoping;Yu Shijun;Shan Wenjuan;Xu Yuming;Wang Jitao Acta Chimica Sinica 1999, 57 (7), pp 808-811 Abstract( 1567) PDF(217KB)( 662 ) Related Articles | Metrics Synthesis of derivatives of 2',5'- dithydropyrrolo [3',4':1,2][60] fullerene Wu Shihui;Li Wenyu;Zhang Danwei;Gao Xiang;Li Yuesheng;Wu Houming;Xu Jingfei Acta Chimica Sinica 1999, 57 (7), pp 812-819 Abstract( 1493) PDF(459KB)( 375 ) Related Articles | Metrics Synthesis,structure charaterization of the complexes of β- alkoxycarbonylethyltin trichlorides with schiff base ligands Li Zhongfang;Fu Fangxin;Pan Huade;Xing Yan;Lin Yonghua Acta Chimica Sinica 1999, 57 (7), pp 820-830 Abstract( 1526) PDF(599KB)( 300 ) 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