4-Methyl-2,6-bis(2-naphthylmethylene)cyclohexan-1-one
Brinda; Rajeev Mudakavi; Deepak Chopra; M. Srinivas Murthy; T. N. Guru Row; Acta Crystallographica Section E 63 (2007) o4494–o4494; doi:10.1107/S1600536807053032

data_2215872
_publ_section_title
;
 4-Methyl-2,6-bis(2-naphthylmethylene)cyclohexan-1-one
;
_journal_coeditor_code           CV2324
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4494
_journal_page_last               o4494
_journal_paper_doi               10.1107/S1600536807053032
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C29 H24 O'
_chemical_formula_moiety         'C29 H24 O'
_chemical_formula_sum            'C29 H24 O'
_chemical_formula_weight         388.48
_chemical_name_systematic
;
4-Methyl-2,6-bis(2-naphthylmethylene)cyclohexan-1-one
;
_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                 103.312(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.5282(19)
_cell_length_b                   10.3604(14)
_cell_length_c                   14.708(2)
_cell_measurement_reflns_used    4081
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      20.8
_cell_measurement_theta_min      1.8
_cell_volume                     2154.3(5)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'CAMERON (Watkin <i>et al.</i>,  1993)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1993)'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0603
_diffrn_reflns_av_sigmaI/netI    0.0622
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            16027
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.78
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.9860
_exptl_absorpt_correction_T_min  0.9360
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.314
_refine_diff_density_min         -0.204
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4081
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0653
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0571P)^2^+0.2955P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1153
_reflns_number_gt                2777
_reflns_number_total             4081
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv2324.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_sg_symbol_H-M      'P 21/n'
_cod_database_code               2215872
_cod_database_fobs_code          2215872