The structure and nonlinear optical properties of 3- n-propylamide-4-(4-hexyloxyphenylethynyl)-nitrobenzene

We have synthesized the tolane derivative 3- n-propylamide-4-(4-hexyloxyphenylethynyl)-nitrobenzene 1 and examined its second-order nonlinear properties and crystal structure. Compound 1 crystallizes in the space group C1c1 with a=27.667(6), b=4.910(2), c=20.856(3) Å, β=128.36(3)° and Z=4, and shows...

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Published inJournal of molecular structure Vol. 471; no. 1; pp. 139 - 143
Main Authors Kato, Midori, Kobayashi, Kimiko, Okunaka, Masaaki, Sugita, Nami, Kiguchi, Masashi, Taniguchi, Yoshio
Format Journal Article
LanguageEnglish
Published Elsevier B.V 10.11.1998
Subjects
Hydrogen bond
Nonlinear optics
Second-harmonic generation (SHG)
Tolan
Second-harmonic generation (SHG)
Nonlinear optics
Tolan
Hydrogen bond
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Summary:We have synthesized the tolane derivative 3- n-propylamide-4-(4-hexyloxyphenylethynyl)-nitrobenzene 1 and examined its second-order nonlinear properties and crystal structure. Compound 1 crystallizes in the space group C1c1 with a=27.667(6), b=4.910(2), c=20.856(3) Å, β=128.36(3)° and Z=4, and shows a high second-order nonlinear optical efficiency. It has an intermolecular hydrogen bond between CO and N–H in the amide group. This hydrogen bond plays an important role in forming a non-centrosymmetric structure appropriate for nonlinear optical materials.
ISSN:0022-2860
1872-8014
DOI:10.1016/S0022-2860(98)00401-3