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Volumn 1, Issue 6, 2006, Pages 814-825

Thermotropic liquid crystals based on extended 2,5-disubstituted-1,3,4- oxadiazoles: Structure-property relationships, variable-temperature powder X-ray diffraction, and small-angle X-ray scattering studies

Author keywords

Liquid crystals; Materials science; Mesophases; Phase transitions; X ray diffraction

Indexed keywords


EID: 33845930609     PISSN: 18614728     EISSN: 1861471X     Source Type: Journal    
DOI: 10.1002/asia.200600252     Document Type: Article
Times cited : (40)

References (74)
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    • Crystal data for IIIc: C16H14IN 3O, Mr=391.20, orthorhombic, Pbca, a, 12.409(3, b, 10.678(2, c, 23.592(5) Å, V, 3126.0(11) Å3, Z, 8, T, 301 K, ρcalcd, 1.662 gcm-3, μMo, 2.051 mm-1, F(000, 1536, total number of observed [F 2>2σ(I, and independent reflections, 2477 (Rint, 0.054, number of parameters, 190, R1, 0.030, wR2, 0.066. Crystal data for Vc: C18H 17N3O2, Mr, 307.35, monoclinic, P21/n, a, 10.679(2, b, 13.893(3, c, 10.700(2) A, β, 91.66(3)°, V, 1586.8(5) Å3, Z=4, T, 253 K, ρcalcd, 1.286 gcm-3, μMo= 0.086 mm-1
    • [26] The crystallographic asymmetric unit consists of one formula unit. In the final stage of least-squares refinement, all non-hydrogen atoms were refined anisotropically for both structures. The positions of H atoms were calculated as a riding model with isotropic thermal parameters equal to 1.2 times that of the attached C atoms and were included for the calculations of the final R indices.
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    • A. N. Parikh, S. D. Gillmor, J. D. Beers, K. M. Beardmore, R. W. Cutts, B. I. Swanson, J. Phys. Chem. B 1999, 103, 2850-2861 (the size of methylene unit is 1.20 Å for silver n-alkylthiolates);
    • a) A. N. Parikh, S. D. Gillmor, J. D. Beers, K. M. Beardmore, R. W. Cutts, B. I. Swanson, J. Phys. Chem. B 1999, 103, 2850-2861 (the size of methylene unit is 1.20 Å for silver n-alkylthiolates);
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    • K. Binnemans, R. V. Deun, B. Thijs, I. Vanwelkenhuysen, I. Geuens, Chem. Mater. 2004, 16, 2021-2027. (that of silver n-alkanoates is 1.25 Å).
    • b) K. Binnemans, R. V. Deun, B. Thijs, I. Vanwelkenhuysen, I. Geuens, Chem. Mater. 2004, 16, 2021-2027. (that of silver n-alkanoates is 1.25 Å).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.