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  • 02월 19일 10시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

대한화학회 제121회 학술발표회 및 총회 Novel Cd(II) Coordination Polymers with Dithiocarbamate Ligands

등록일
2018년 2월 5일 13시 31분 15초
접수번호
3700
발표코드
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발표시간
4월 19일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Inorganic Chemistry
저자 및
공동저자
Jaehyuk Jin, Young-A Lee*
Department of Chemistry, Chonbuk National University, Korea

New Cd(II) complexes, Cd(II)(TC-1), Cd(II)(TC-2)2 and [Cd(II)(TC-3)2•2CH2Cl2]2 (TC-1 = methyl(2-(pyridine-2-yl)ethyl)dithiocarbamate, TC-2 = ethyl(pyridine-2-yl)methyl)dithiocar-bamate, TC-3 = bis(pyridine-2-ylmethyl)dithiocarbamate, have been synthesized and characterized by means of IR, NMR, TGA/DSC, and X-ray crystallography. Interestingly, these Cd(II) complexes have different coordination geometry despite the similarity of the ligands structure. Cd(II)(TC-1)2 shows a 1-dimensional linear coordination polymer structure and Cd(II)(TC-2)2 shows a 2-dimensional coordination polymer structure. [Cd(II)(TC-3)2•2CH2Cl2]2, however, show discrete cyclic dimer structure. In crystal structure of Cd(II)(TC-2)2, central Cd(II) atom is 6-coordinated with two nitrogen atoms of pyridine ring and four sulphur atoms of two dithiocarbamate ligands, in which two dithiocarbamate ligands bonded in a bidentate fashion. In Cd(II)(TC-1)2 and [Cd(II)(TC-3)2•2CH2Cl2]2, the cadmium atom adopts square pyramidal arrangement, that is, Cd(II) is coordinated by four sulphur atoms of two dithiocarbamate ligands and one nitrogen atom from pyridine ring. Figure 1. Crystal structure of Cd(II)(TC-2)2 (left : unit cell, right: packing diagram)


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