Results 1 to 10 of about 5,432,959 (167)
Dimethyl 3,3′-[(4-nitrophenyl)methylene]bis(1H-indole-2-carboxylate) ethanol hemisolvate
IUCrData, 2021 There are two main molecules in asymmetric unit of the title compound, C27H21N3O6·0.5C2H5OH. In both, the indole ring systems are approximately perpendicular to each other, at dihedral angles of 69.3 (5) and 82.8(4)°. In the crystal, molecules are linked
Yu-Long Li +6 more
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7,8-Dimethyl-11H-indeno[1,2-b]quinoxalin-11-one
IUCrData, 2021 In the title compound, C17H12N2O, the mean planes of the indene ring and quinoxaline system (r.m.s. deviations = 0.0131 and 0.0082 Å) are approximately parallel to one another, making a dihedral angle of 1.2 (5)°.
Lin Chen, Jin Hu, Hong-Shun Sun
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Evidence-based nutritional guidelines: What is meant by trustworthy recommendations
Mètode Science Studies Journal: Annual Review, 2021 The article aims to describe the characteristics of trustworthy recommendations as well as standards for trustworthy guidelines published by the Institute of Medicine and tools that can be used for quality assessment.
Joanna Zając +2 more
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Diethyl 3,3′-[(3-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)
IUCrData, 2020 In the title compound, C29H25FN2O4, the mean planes of the indole ring systems are approximately perpendicular to one another [dihedral angle = 88.3 (4)°]. The benzene ring is twisted with respect to the indole ring systems by 49.8 (5) and 77.6 (3)°.
Hong Jiang +7 more
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Zeitschrift für Kristallographie - New Crystal Structures, 2023 C48H56Cd2N8O8, monoclinic, P21 (no. 4), a = 10.7150(6) Å, b = 15.5902(8) Å, c = 14.3463(7) Å, β = 91.032(2)°, V = 2396.1(2) Å3, Z = 2, Rgt(F) = 0.0504, wRref(F2) = 0.1339, T = 173 K.
Sun Hong-Shun
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11,11-Diphenyl-11H-indeno[1,2-b]quinoxaline
IUCrData, 2020 In the title compound, C27H18N2, the mean planes of the pendant benzene rings are approximately perpendicular to one another, making a dihedral angle of 79.3 (5)°; the indeno[1,2-b]quinoxaline ring system (r.m.s.
Lin Chen +3 more
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Lexical-Grammatical Means of Expressing Oppositivity in an English Literary Text
RUDN Journal of Language Studies, Semiotics and Semantics, 2021 The article considers the notional nature and peculiarities of genus-species relations between the phenomena of opposition and oppositivity ; it also deals with the lexical-and-grammatica ways of expressing the latter in an English literary text.
Larisa N. Lunkova, Julia I. Frolova
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Diethyl 3,3′-[(4-fluorophenyl)methylidene]bis(1H-indole-2-carboxylate)
IUCrData, 2019 In the title compound, C29H25FN2O4, the mean planes of the indole ring systems (r.m.s. deviations = 0.0107 and 0.0158 Å) are approximately perpendicular to each other, subtending a dihedral angle of 87.43 (16)°. The 4-fluorophenyl ring is twisted by 77.6
Yu-Long Li +6 more
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Assessing the monitor warm-up time required before a psychological experiment can begin [PDF]
Tutorials in Quantitative Methods for Psychology, 2017 Visual experiments in psychology, psychophysics, and cognitive neuroscience require precise control over stimulus characteristics, such as luminance and contrast. In such experiments, stimuli are most often presented using computer monitors.
Poth, Christian H., Horstmann, Gernot
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Crystal structure of diethyl 3,3′-[(2,4-dichlorophenyl)methylidene]bis(1H-indole-2-carboxylate)
Acta Crystallographica Section E: Crystallographic Communications, 2017 In the title compound, C29H24Cl2N2O4, the mean planes of the two indole ring systems (r.m.s. deviations = 0.1249 and 0.0075 Å) are approximately perpendicular to one another, with a dihedral angle of 80.9 (5)° between them.
Yu-Long Li +4 more
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