Abstract
The thesis contains two branches of works during my master degree study. First, 8 crystal structures of metal organic complexes are determined by x-ray crystallography. Their coordination geometry about the metal center, bond lengths and bond angles are described in the thesis. Crystal 1 μ-oxalato-bis(tetramethylethylene diamine-isocyanato-copper(II)), Crystal 2 bis(μ-dibromo)-bis(bromo-(1,4-diazacyclohepten)-copper(II)), Crystal 3 tris(2-(2’-pyridine carboxaldimino) ethyl) amin)-cadmium(II)- thiocyanate-perchlorate Crystal 4 bis((μ 2-azido-N,N)-azido-L-)cadmium(II) and bis((μ 2-azido-N,N)-nitrosyl-L-)cadmium(II)-hexafluorophosphate (L=N,N’-bis(alpha-(pyridin-2-yl) benzylidene) ethane-1,2-diamine) Crystal 5 nitro-(2-phenylazo-pyridine)-(2,2’;6’2”-terpyridyl)-ruthenium(II)-tetrafluoroborate, Crystal 6 dichloro-bis(1-ethyl-2(naphthyl-α-azo)imidazole)-osmium(II) Crystal 7 cis-{(C-racemic-5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane) isothiocyanato)}nickel(II) Crystal 8 chloro-(C-racemic-5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane)-nickle(II) Second, the screening of crystallization conditions for three purified proteins: Protein 1 Volvatoxin A2 (VAAII) Protein 2 Arginase Protein 3 Cardiotoxin 3 (CTXIII)