Methylthio- and ethanediyldithio-substituted 1,6-dithiapyrenes and their charge-transfer complexes: new organic molecular metals
作者:Kazuhiro Nakasuji、Mitsuru Sasaki、Tomoyuki Kotani、Ichiro Murata、Toshiaki Enoki、Kenichi Imaeda、Hiroo Inokuchi、Atsushi Kawamoto、Jiro Tanaka
DOI:10.1021/ja00257a011
日期:1987.11
,6-dithiapyrene (ETDTPY) and their charge-transfer complexes are reported. MTDTPY was prepared from 1,6-dithiapyrene. ETDTPY was prepared from naphthalene-1,5-dithiol in four steps. These two new donors showed reversible two-stage redox behavior with potentials comparable to that of tetrathiafulvalene. MTDTPY produced two crystalline phases of 1:1 TCNQ complexes, the ..cap alpha..-form (monoclinic
2,7-双(甲硫基)-1,6-二硫杂芘(MTDTPY)和2,3:7,8-双(乙二硫基)-1,6-二硫杂芘(ETDTPY)的合成和物理性质及其电荷转移报道了复合物。MTDTPY 由 1,6-二硫杂芘制备。ETDTPY 由萘-1,5-二硫醇分四步制备。这两个新供体显示出可逆的两阶段氧化还原行为,其电位与四硫富瓦烯相当。MTDTPY 产生了 1:1 TCNQ 复合物的两个结晶相,..cap α..-形式(单斜,P2/sub 1//c)和 ..beta..-形式(三斜,P anti 1),分别由供体和受体的混合堆叠和均匀隔离堆叠组成。..beta..-形式包含相邻供体柱之间的短 S...S 接触(3.48 和 3.57 A)。..beta.. 的单晶电导率 -形式是金属的(sigma/sub rt/ = 110 S cm/sup -1/,T/sub c/ = 110 K),而..cap alpha