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In the title compound, C21H16N2O, the mol­ecule is nearly planar, with a dihedral angle of 11.2 (1)° between the benz­aldehyde and fluorene moieties. The attached methoxy group makes an angle of 3.6 (4)° with the benz­aldehyde moiety.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536801016555/cv6063sup1.cif
Contains datablocks global, I

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S1600536801016555/cv6063Isup2.hkl
Contains datablock I

CCDC reference: 176011

Key indicators

  • Single-crystal X-ray study
  • T = 293 K
  • Mean [sigma](C-C) = 0.005 Å
  • R factor = 0.052
  • wR factor = 0.124
  • Data-to-parameter ratio = 10.0

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes

REFLT_03 From the CIF: _diffrn_reflns_theta_max 28.35 From the CIF: _reflns_number_total 2182 Count of symmetry unique reflns 2200 Completeness (_total/calc) 99.18% TEST3: Check Friedels for noncentro structure Estimate of Friedel pairs measured 0 Fraction of Friedel pairs measured 0.000 Are heavy atom types Z>Si present no Please check that the estimate of the number of Friedel pairs is correct. If it is not, please give the correct count in the _publ_section_exptl_refinement section of the submitted CIF.

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