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 SM ISO690:2012CHUMAKOV, Yurii, CHUMAKOV, Yurii, MAKAEV, Fliur, STYNGACH, Evgenia, SUCMAN, Natalia. Crystalline and molecular structure of ETHYLENACETAL-1-(3,3-DIMETHYL-2 OXOBUTYL)-2,3-INDOLINEDIONE. In: Moldavian Journal of the Physical Sciences, 2007, nr. 2(6), pp. 218-221. ISSN 1810-648X. |
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| Moldavian Journal of the Physical Sciences | ||||||
| Numărul 2(6) / 2007 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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| Pag. 218-221 | ||||||
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The crystalline and molecular structure of the ethylenacetal-1-(3,3-dimethyl-2-
oxobutyl)-2,3-indolinedione (I), C16H19NO4, is reported. Compound crystallizes in the triclinic
system, space group P-1, a=13.237(2), b=11.575(2), c=13.043(2) Å, =114.200(3),
β=122.090(3), γ=86.470(3)º, V=1512.4(4) Å3
, Z=4, ρ=1.271 Mg m-3
, μ=0.091 mm-1
,
F(000)=616, T=290 K, final R=0.0539 (wR=0.1451) for 2055 observed reflections. Two crys-
tallographically independent molecules are in independent part of the unit cell. Molecu-
lar geometry and conformational differences for two molecules are discussed. Molecules in
the crystals are connected by weak C-H...O bonds, C-H...
π interactions.
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