3-(4-Methoxyphenyl)-1<i>H</i>-isochromen-1-one
Maiyalagan, T.; Hathwar, Venkatesha R.; Manivel, P.; Arslan, N. Burcu; Khan, F. Nawaz; Acta Crystallographica Section E 65 (2009) o128–; doi:10.1107/S1600536808042074

data_2220587
_publ_section_title
;
 3-(4-Methoxyphenyl)-1<i>H</i>-isochromen-1-one
;
_journal_coeditor_code           NC2128
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o128
_journal_paper_doi               10.1107/S1600536808042074
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C16 H12 O3'
_chemical_formula_moiety         'C16 H12 O3'
_chemical_formula_sum            'C16 H12 O3'
_chemical_formula_weight         252.26
_chemical_name_systematic
;
3-(4-Methoxyphenyl)-1<i>H</i>-isochromen-1-one
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 117.838(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.5949(15)
_cell_length_b                   11.8464(11)
_cell_length_c                   15.1824(14)
_cell_measurement_reflns_used    8668
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      25.5
_cell_measurement_theta_min      1.5
_cell_volume                     2480.2(4)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'SMART (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and CAMERON (Watkin <i>et al.</i>,  1993)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18262
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.48
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.9744
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'Not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.145
_refine_diff_density_min         -0.151
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         4616
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0891
_refine_ls_R_factor_gt           0.0450
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0567P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0970
_refine_ls_wR_factor_ref         0.1086
_reflns_number_gt                2795
_reflns_number_total             4616
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            nc2128.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2220587
_cod_database_fobs_code          2220587