《Tab.1 Crystal data and structure refinement for the complex》

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《丙二胺铜配合物的合成、晶体结构和热稳定性（英文）》

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The molecular structure of the complex is shown in Fig.2（b）.The complex crystallizes in monoclinic space group.It contains one coordination ion[Cu（pn）2Cl]+，a counter anion Cl-and one CH3OHmolecule.Each Cu（II）in the[Cu（pn）2Cl]+unit coordinates with four nitrogen atoms from two pn moleculesandoneCl-.Thecoordination configuration of Cu（II）can be approximately described as a square pyramid as ascertained by Reedijk'st factor of 0.30[12-15].The four nitrogen atoms from two pn units are nearly coplanar constituting the base plane of the pyramid.The distances of Cu-N（1），Cu-N（2），Cu-N（3）and Cu-N（4）are 2.025，2.038，2.030 and 2.027 nm，respectively.As shown in the Fig.2（b），Cl（1）occupies the apical position with the distance of Cu-Cl（1）of 2.717 nm，and Cu-Cl（1）is almost perpendicular to the base plane with the angle of 88.0°.In the crystal structure，one coordination unit[Cu（pn）2Cl]+connects with three Cl（2）anions，two Cl（1）anions and one CH3OH through Cl-containing hydrogen bonding interactions，shown in Fig.2（c）.The uncoordinated Cl（2）resides in the voids of molecular architecture，acting as a counterion and a hydrogen acceptor to three pnwith N-H×××Cl interaction and one CH3OH with C-H×××Cl interaction.The distances of N×××Cl are in the range of 3.207 nm-3.420 nm，and the angle of N-H×××Cl is of 111.0°-176.6°.CH3OH involving hydrogen bond parameters as well as the detailed information about the length and angle of N-H×××Cl are listed in Table 2.And the three dimensional network is shown in Fig.2（c）.The 3D network frame of the complex is mainly contributed to the hydrogen bonding and electrostatic interactions between coordination ion[CuCl（pn）2]+and its counter anion Cl-.