Articles with "structures four" as a keyword



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The effects of electronic structures of four benzodithiophene-based copolymers on their photovoltaic performances

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Published in 2018 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2018.10.005

Abstract: Abstract The electronic and structural properties of the four copolymers, PBDPQU, PBDPBT, PBDPDPP, and PBDPTP, are investigated by density functional theory and time-dependent density functional theory. The research purpose is to rationalize the relationship between… read more here.

Keywords: electronic structures; effects electronic; photovoltaic performances; benzodithiophene based ... See more keywords
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Crystal structures of four inclusion compounds of 4,4’-dihydroxy diphenyl sulfide and tetraalkylammonium

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Published in 2021 at "Molecular Crystals and Liquid Crystals"

DOI: 10.1080/15421406.2021.1904708

Abstract: Abstract Four novel inclusion compounds of (C2H5)4N+·C12H9O2S-·2H2O (1), (n-C3H7)4N+·C12H9O2S- (2), (n-C3H7)4N+·C12H9O2S-·C12H10O2S (3) and (n-C4H9)4N+·C12H8O2S2-·CH5N3 (4) were prepared by 4, 4’-dihydroxy diphenyl sulfide and various tetraalkylammonium guest templates. Crystal structures of four inclusion compounds are characterized… read more here.

Keywords: structures four; crystal structures; diphenyl sulfide; dihydroxy diphenyl ... See more keywords
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The crystal structures of four dimethoxybenzaldehyde isomers

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Published in 2019 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989018017152

Abstract: The crystal structures of four dimethoxybenzaldehyde (C9H10O3) isomers are reported and compared to the previously reported crystal structures of 3,4-dimethoxybenzaldehyde and 2,6-dimethoxybenzaldehyde. All dimethoxybenzaldehyde molecules in the crystal structure are nearly planar. read more here.

Keywords: dimethoxybenzaldehyde isomers; dimethoxybenzaldehyde; structures four; crystal structures ... See more keywords

Different conformations and packing motifs in the crystal structures of four thiophene–carbohydrazide–pyridine derivatives

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Published in 2022 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989022005151

Abstract: The title compounds show different packing motifs including chains mediated by N—H⋯N and N—H⋯O hydrogen bonds. read more here.

Keywords: packing motifs; conformations packing; motifs crystal; crystal structures ... See more keywords
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Syntheses and crystal structures of four 4-(4-nitrophenyl)piperazinium salts with hydrogen succinate, 4-aminobenzoate, 2-(4-chlorophenyl)acetate and 2,3,4,5,6-pentafluorobenzoate anions

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Published in 2023 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989023001093

Abstract: The syntheses and low-temperature crystal structures of four organic salts of 4-(4-nitrophenyl)piperazine are presented. read more here.

Keywords: structures four; four nitrophenyl; nitrophenyl piperazinium; crystal structures ... See more keywords
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Syntheses and crystal structures of four 4-(4-methoxyphenyl)piperazin-1-ium salts: trifluoroacetate, 2,3,4,5,6-pentafluorobenzoate, 4-iodobenzoate, and a polymorph with 4-methylbenzoate

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Published in 2023 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989023002529

Abstract: The syntheses and low-temperature (90 K) crystal structures of four organic salts of 4-(4-methoxyphenyl)piperazin-1-ium are presented. read more here.

Keywords: structures four; methoxyphenyl piperazin; crystal structures; piperazin ium ... See more keywords