TY  - JOUR 
T1  - Heptacoordination in Organotin(IV) Complexes: Spectroscopic and Structural Studies of 2,6–Diacetylpyridine bis(thiosemicarbazone)di–n–butyltin(IV) Chloride Nitromethane Solvate, [nBu2Sn(H2daptsc)]Cl 2•MeNO2 and of 2,6–Diacetylpyridine bis(semicarbazone)dimethyltin(IV) trans–Tetrachlorodimethylstannate(IV), [Me2Sn(H2dapsc)][Me2 SnCl4]
JO  - Journal of the Brazilian Chemical Society
A1  - Sousa, Gerimário F. de
A1  - Valdés-Martínez, Jesús
A1  - Pérez, Georgina E.
A1  - Toscano, Rubén A.
A1  - Abras, Anuar
A1  - Filgueiras, Carlos A. L.
SN  - 0103-5053
UL  - 10.1590/S0103-50532002000500003
VL  - 13 
Y1  - 2002
PB  - Brasil 
ER  -