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哈尔滨工业大学 化学系,黑龙江 哈尔滨,150001
收稿日期:2010-04-28,
修回日期:2010-07-08,
网络出版日期:2010-11-22,
纸质出版日期:2010-11-22
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范瑞清, 孙存发, 王平, 周广鹏, 陈红. 三维超分子化合物(C<sub>12</sub>N<sub>2</sub>H<sub>8</sub>)的合成、晶体结构与荧光性质[J]. 发光学报, 2010,31(6): 931-935
FAN Rui-qing, SUN Cun-fa, WANG Ping, ZHOU Guang-peng, CHEN Hong. Synthesis, Crystal Structure and Luminescent Properties of 3-D Supramolecular Compound (C<sub>12</sub>N<sub>2</sub>H<sub>8</sub>)[J]. Chinese Journal of Luminescence, 2010,31(6): 931-935
范瑞清, 孙存发, 王平, 周广鹏, 陈红. 三维超分子化合物(C<sub>12</sub>N<sub>2</sub>H<sub>8</sub>)的合成、晶体结构与荧光性质[J]. 发光学报, 2010,31(6): 931-935 DOI:
FAN Rui-qing, SUN Cun-fa, WANG Ping, ZHOU Guang-peng, CHEN Hong. Synthesis, Crystal Structure and Luminescent Properties of 3-D Supramolecular Compound (C<sub>12</sub>N<sub>2</sub>H<sub>8</sub>)[J]. Chinese Journal of Luminescence, 2010,31(6): 931-935 DOI:
合成了一个三维超分子化合物(C
20
O
2
H
14
)(C
12
N
2
H
8
)(命名为BP1)
通过元素分析、红外光谱、核磁共振氢谱和X射线单晶衍射对其结构进行了表征
结果表明分子之间通过氢键和-堆积弱的相互作用形成超分子化合物。对所有合成的超分子化合物进行了紫外光谱和荧光光谱的测试。在室温DMSO溶液中
当激发波长为342nm时
化合物在373nm处有一强发射峰
呈现紫色荧光
这可以归属于分子内的
*
跃迁。X射线单晶衍射分析结果表明
该超分子化合物属于三斜晶系
P
1空间群
晶胞参数
a
=1.0878(2)nm
b
=1.1252(2)nm
c
=1.1680(2)nm
=97.89(3)
=110.91(3)
=109.62(3)
V
=1.2032(4)nm
3
Z
=2
R
1
=0.0531
wR
2
=0.1634
GOF值为1.034。
Supramolecular system has received great attention in the fields of catalytic
magnetic
liquid crystal materials
and bio-organic chemistry in recent years. They are composed of monomeric units through non-covalent intermolecular interactions including intermolecular hydrogen bond and - stacking interaction. The result is that the energy of the molecular system is greatly reduced and the molecular structure becomes more stable
which leads to the emergence of new properties of the optics
electricity
magnetic
and biological activity. Till now
many supramolecular polymers with one-dimensional chain
two-dimensional layer or three-dimensional open framework structures have been reported. In this work
a 3-D supramolecular compound (C
20
O
2
H
14
)(C
12
N
2
H
8
) (BP1) was synthesized and characterized by elemental analysis
IR
1
H NMR and single-crystal X-ray diffraction. In the crystal structure
multiform hydrogen bonds and - stacking interactions lead to a 3-D supramolecular compound. At room temperature in DMSO solution
the compound has purple fluorescent emission at 373 nm
when excited at excitation wavelength of 342 nm. Fluorescent emission of the compounds originates from
*
transitions in molecular. The crystal belongs to triclinic
space group
P
1 with
a
=1.087 8(2) nm
b
=1.125 2(2) nm
c
=1.168 0(2) nm
=97.89(3)
=110.91(3)
=109.62(3)
V
=1.203 2(4) nm
3
.
Z
=2
R
1
=0.053 1
wR
2
=0.163 4
GOF is 1.034.
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