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.
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.
(IUCr) Crystallography Journals Online - supporting information