<i>N</i>-(9<i>H</i>-Fluoren-9-ylidene)-4-methylaniline
Bai, Su-Zhen; Lou, Xin-Hua; Li, Hong-Mei; Shi, Hui; Acta Crystallographica Section E 65 (2009) o1545–; doi:10.1107/S1600536809020765

data_2222449
_publ_section_title
;
 <i>N</i>-(9<i>H</i>-Fluoren-9-ylidene)-4-methylaniline
;
_journal_coeditor_code           SI2179
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1545
_journal_paper_doi               10.1107/S1600536809020765
_journal_volume                  65
_journal_year                    2009
_chemical_formula_sum            'C20 H15 N'
_chemical_formula_weight         269.33
_chemical_name_systematic
;
<i>N</i>-(9<i>H</i>-Fluoren-9-ylidene)-4-methylaniline
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.441(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.6423(10)
_cell_length_b                   12.187(2)
_cell_length_c                   21.310(4)
_cell_measurement_reflns_used    1911
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      22.32
_cell_measurement_theta_min      2.54
_cell_volume                     1460.9(4)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'SMART (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            10793
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.130
_refine_diff_density_min         -0.137
_refine_ls_extinction_coef       0.0105(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2711
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0765
_refine_ls_R_factor_gt           0.0423
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0520P)^2^+0.1725P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0972
_refine_ls_wR_factor_ref         0.1147
_reflns_number_gt                1779
_reflns_number_total             2711
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            si2179.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1460.9(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2222449
_cod_database_fobs_code          2222449