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Description
| - We characterize a full set of crystal interactions in a sample of anhydrous theobromine as reflected in <sup>13</sup>C NMR chemical shift tensors (CSTs). The important intermolecular contacts are identified by comparing the DFT-calculated NMR CSTs for an isolated theobromine molecule and for clusters composed of several molecules as selected from the available X-ray diffraction data. Furthermore, electron deformation density (EDD) and shielding deformation density (SDD) in the proximity of the nuclei involved in the proposed interactions are calculated and visualized. In addition to the recently reported observations for hydrogen bonding, we focus here particularly on the stacking interactions. On the example of theobromine, we demonstrate the power of this approach to identify and classify the intermolecular forces that govern the packing motifs in crystals and modulate the NMR CSTs.
- We characterize a full set of crystal interactions in a sample of anhydrous theobromine as reflected in <sup>13</sup>C NMR chemical shift tensors (CSTs). The important intermolecular contacts are identified by comparing the DFT-calculated NMR CSTs for an isolated theobromine molecule and for clusters composed of several molecules as selected from the available X-ray diffraction data. Furthermore, electron deformation density (EDD) and shielding deformation density (SDD) in the proximity of the nuclei involved in the proposed interactions are calculated and visualized. In addition to the recently reported observations for hydrogen bonding, we focus here particularly on the stacking interactions. On the example of theobromine, we demonstrate the power of this approach to identify and classify the intermolecular forces that govern the packing motifs in crystals and modulate the NMR CSTs. (en)
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Title
| - Intermolecular Interactions in Crystalline Theobromine as Reflected in Electron Deformation Density and 13C NMR Chemical Shift Tensors
- Intermolecular Interactions in Crystalline Theobromine as Reflected in Electron Deformation Density and 13C NMR Chemical Shift Tensors (en)
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skos:prefLabel
| - Intermolecular Interactions in Crystalline Theobromine as Reflected in Electron Deformation Density and 13C NMR Chemical Shift Tensors
- Intermolecular Interactions in Crystalline Theobromine as Reflected in Electron Deformation Density and 13C NMR Chemical Shift Tensors (en)
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skos:notation
| - RIV/00216224:14740/13:00066168!RIV14-GA0-14740___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216224:14740/13:00066168
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - crystal packing; hydrogen bonding; aromatic stacking; solid-state NMR spectroscopy; density functional theory (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Journal of Chemical Theory and Computation
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Bouzková, Kateřina
- Marek, Radek
- Novosadová, Lucie
- Babinský, Martin
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
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http://localhost/t...ganizacniJednotka
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