(2,7-Dimethoxynaphthalen-1-yl)(2,4,6-trimethylphenyl)methanone
Muto, Toyokazu; Sasagawa, Kosuke; Okamoto, Akiko; Oike, Hideaki; Yonezawa, Noriyuki; Acta Crystallographica Section E 67 (2011) o2813–; doi:10.1107/S1600536811039225

data_2232129
_publ_section_title
;
 (2,7-Dimethoxynaphthalen-1-yl)(2,4,6-trimethylphenyl)methanone
;
_journal_coeditor_code           ZK2031
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2813
_journal_paper_doi               10.1107/S1600536811039225
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C22 H22 O3'
_chemical_formula_moiety         'C22 H22 O3'
_chemical_formula_sum            'C22 H22 O3'
_chemical_formula_weight         334.40
_chemical_melting_point_gt       408.0
_chemical_melting_point_lt       410.0
_chemical_name_systematic
;
(2,7-Dimethoxynaphthalen-1-yl)(2,4,6-trimethylphenyl)methanone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 111.340(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5238(4)
_cell_length_b                   12.2289(4)
_cell_length_c                   15.0504(5)
_cell_measurement_reflns_used    15327
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      68.06
_cell_measurement_theta_min      3.15
_cell_volume                     1804.10(11)
_computing_cell_refinement       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_collection       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC, 2004)'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson, 1996)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla <i>et al.</i>, 2005)'
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0089
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            32585
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_diffrn_reflns_theta_min         4.51
_exptl_absorpt_coefficient_mu    0.644
_exptl_absorpt_correction_T_max  0.8820
_exptl_absorpt_correction_T_min  0.7390
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
(NUMABS; Higashi, 1999)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.256
_refine_diff_density_min         -0.245
_refine_ls_extinction_coef       0.0080(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3295
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0421
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0568P)^2^+0.4166P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1121
_reflns_number_gt                2945
_reflns_number_total             3295
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            zk2031.cif
_cod_data_source_block           I
_cod_original_cell_volume        1804.11(11)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2232129
_cod_database_fobs_code          2232129