Nitrogen-14 NMR and X-ray single crystal study of the Schiff base N-(9-anthrylmethylidene)methylamine

Raju Subramanian, Stephen A. Koch, Gerard S. Harbison

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The Schiff base N-(9-anthrylmethylidene)methylamine has been characterized by X-ray crystallography. The compound crystallizes in the P21 (No. 4) space group, and the crystal structure shows that it is the E-isomer. The Schiff base linkage is twisted 56.1° out of the anthracene plane. The principal values of the 14N quadrupolar tensor, along with its orientation with respect to the molecular frame, have been determined from the single crystal study of the Schiff base. The quadrupolar coupling constant (QCC) is 4.076 MHz with an asymmetry parameter of 0.24. The unique element of the electric field gradient tensor is in the direction of the nitrogen lone pair.

Original languageEnglish (US)
Pages (from-to)8625-8629
Number of pages5
JournalJournal of Physical Chemistry
Issue number33
StatePublished - 1993

ASJC Scopus subject areas

  • General Engineering
  • Physical and Theoretical Chemistry


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