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4,4′-Bis(4-nitro­phen­oxy)biphen­yl

✍ Scribed by Sajid, Samia ;Akhter, Zareen ;Bolte, Michael ;Siddiqi, Humaira M.


Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
96 KB
Volume
63
Category
Article
ISSN
1600-5368

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Bis[4-(4-nitro­phen­oxy)phen­yl] ketone
✍ Butt, M. Saeed ;Khawar Rauf, M. ;Bolte, Michael ;Akhter, Zareen ;Zafar-uz-Zaman, 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 261 KB

Single-crystal X-ray study T = 173 K Mean (C-C) = 0.002 A R factor = 0.040 wR factor = 0.105 Data-to-parameter ratio = 12.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

4-Nitro-N-[4-(4-nitro­phen­oxy)phen­yl]b
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1,4-Bis(4-nitro­phen­oxy)benzene
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The title compound, C 18 H 12 N 2 O 6 , crystallizes with two halfmolecules in the asymmetric unit. All molecules lie on a centre of inversion. The dihedral angles between the central and terminal benzene rings are 74.75 (4) and 85.25 (5) for the two molecules in the asymmetric unit.

(E)-4-Meth­oxy-2-[(4-nitro­phen­yl)imino
✍ Ko˛sar, Bąsak ;Albayrak, Çiğdem ;Odabaşoğlu, Mustafa ;Büyükgüngör, Orhan 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 187 KB

The title compound, C 14 H 12 N 2 O 4 , exists as an enol-imine tautomer, in which a strong intramolecular O-HÁ Á ÁN hydrogen bond is formed. This study verifies the preference of the enol-imine tautomeric form in the solid state.