DISILASELENIRANE AND DISILATELLURIRANE - SYNTHESIS AND CRYSTAL-STRUCTURES

被引:62
作者
TAN, RPK [1 ]
GILLETTE, GR [1 ]
POWELL, DR [1 ]
WEST, R [1 ]
机构
[1] UNIV WISCONSIN,DEPT CHEM,MADISON,WI 53706
关键词
D O I
10.1021/om00049a010
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reaction of elemental selenium and tellurium with 1,1,2,2-tetramesityldisilene produces respectively 1,1,2,2-tetramesityl-1,2-disilaselenirane (3) and 1,1,2,2-tetramesityl-1,2-disilatellurirane (4). The structures of 3 and 4 are confirmed by X-ray crystal analysis. Crystals of 3 are monoclinic, space group P2(1)/c: a = 11.625 (4) angstrom, b = 8.896 (4) angstrom, c = 31.398 (10) angstrom; beta = 99.78 (3)-degrees; V = 3200 (2) angstrom3; d(calcd) = 1.270 g/mL for Z = 4; R = 5.67%; 3236 reflections with F > 4.0-sigma(F). Crystals of 4 are orthohombic, space group Pnn2: a = 18.516 (4) angstrom, b = 15.954 (3) angstrom, c = 11.917 (2) V = 3520.3 (12) angstrom3; d(calcd) = 1.329 g/mL for Z = 4; R = 5.18%; 2723 reflections with F > 4.0-sigma(F). The Si-Si bond lengths are 2.303 (3) angstrom for 3 and 2.337 (4) angstrom for 4. Both 3 and 4 have a nearly planar arrangement of C, C, Si atoms around each silicon atom. The spectroscopic and structural properties of 3 and 4 are presented along with those of 1,1,2,2-tetramesityl-1,2-disilaoxirane (1) and 1,1,2,2-tetramesityl-1,2-disilathiirane (2), the two other chalcogen derivatives with similar constitution.
引用
收藏
页码:546 / 551
页数:6
相关论文
共 40 条
[31]   THE CRYSTAL STRUCTURE OF OCTAMETHYL CYCLOTETRASILOXANE [J].
STEINFINK, H ;
POST, B ;
FANKUCHEN, I .
ACTA CRYSTALLOGRAPHICA, 1955, 8 (07) :420-424
[32]   REACTIONS OF SELENIUM ATOMS .I. ADDITION AND INSERTION REACTIONS OF SELENIUM (41D2) ATOMS WITH OLEFINS AND PARAFFINS [J].
TYERMAN, WJR ;
OCALLAGH.WB ;
KEBARLE, P ;
STRAUSZ, OP ;
GUNNING, HE .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1966, 88 (18) :4277-&
[33]  
TYERMAN WJR, 1966, T FARADAY SOC, V62, P2760
[34]  
WEBB GA, 1983, NMR NEWLY ACCESSIBLE, V1, P93
[35]   CHEMISTRY OF THE SILICON SILICON DOUBLE-BOND [J].
WEST, R .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1987, 26 (12) :1201-1211
[36]   TETRAMESITYLDISILENE, A STABLE COMPOUND CONTAINING A SILICON-SILICON DOUBLE-BOND [J].
WEST, R ;
FINK, MJ ;
MICHL, J .
SCIENCE, 1981, 214 (4527) :1343-1344
[37]  
WEST R, 1985, J AM CHEM SOC, V107, P4942, DOI 10.1021/ja00303a020
[38]   DISILAOXIRANES - SYNTHESIS AND CRYSTAL-STRUCTURE [J].
YOKELSON, HB ;
MILLEVOLTE, AJ ;
GILLETTE, GR ;
WEST, R .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1987, 109 (22) :6865-6866
[39]  
YOKELSON HB, 1987, J CHEM SOC CHEM COMM, V21, P1605
[40]  
[No title captured]