2021
DOI: 10.1107/s1600576721009109
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Abstract: A classification scheme relating the chirality of molecules to the type of crystal structures (chiral or achiral) they may form is presented. With respect to similar classifications proposed in the past, some corrections and extensions are introduced. In particular, (1) it is shown that chiral crystal structures from achiral molecules can occur in 28 types of space group having screw axes np , with p ≠ n/2, not in any Sohncke type of space group; (2) it is shown that the restriction on Z′ >… Show more

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Cited by 19 publications
(13 citation statements)
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“…I have provided the proof that a structure crystallizing with a space group of Sohncke type is necessarily chiral. This proof modifies one entry in Table 2 of Nespolo & Benahsene (2021): the revised classification of the relation between the chirality of molecules and the chirality of crystal structures in presented in Table 1.…”
Section: Discussionmentioning
confidence: 99%
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“…I have provided the proof that a structure crystallizing with a space group of Sohncke type is necessarily chiral. This proof modifies one entry in Table 2 of Nespolo & Benahsene (2021): the revised classification of the relation between the chirality of molecules and the chirality of crystal structures in presented in Table 1.…”
Section: Discussionmentioning
confidence: 99%
“…Table 1 Revised relation between the chirality of molecules and the chirality of crystal structures they may form [modified after Nespolo & Benahsene (2021)…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The space group R 32 is one of the 65 Sohncke space groups. The crystals that are found in these space groups always have a chiral structure. Therefore, several crystals were collected for structural determination in order to find two enantiomers of NaRb 6 (B 4 O 5 (OH) 4 ) 3 (BO 2 ).…”
mentioning
confidence: 99%
“…We (Nespolo & Benahsene, 2021) have presented a short survey of the relations between symmetry and chirality in crystals, including some conditions for a crystal structure to be chiral. Rekis (2023) has presented an example contradicting the condition requiring the presence of screw axes n p with p 6 ¼ n/2.…”
mentioning
confidence: 99%