The title molecule, C 52 H 58 N 2 P 2 , has a non-crystallographic twofold axis. The bond lengths and angles are within expected ranges.
A new chiral Schiff base: (R)-N,N′-bis(3,5-di-tert-butylsalicylidene)-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-binaphthyl-2,2′-diamine
✍ Scribed by Jia, Xian ;Li, Xingshu ;Zhou, Zhongyuan
- Publisher
- International Union of Crystallography
- Year
- 2002
- Tongue
- English
- Weight
- 235 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
Single-crystal X-ray study T = 294 K Mean '(C±C) = 0.005 A Ê R factor = 0.053 wR factor = 0.149 Data-to-parameter ratio = 21.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
📜 SIMILAR VOLUMES
At 150 K, the tricyclic core of the title compound, C 34 H 31 NO 3 , is close to planar. One of the three 4-methoxyphenyl substituents is twisted out of the plane of the tricyclic core due to steric congestion.
Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.007 A Ê Disorder in main residue R factor = 0.042 wR factor = 0.101 Data-to-parameter ratio = 9.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê R factor = 0.033 wR factor = 0.194 Data-to-parameter ratio = 15.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.