1-(4-Bromophenyl)-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
P. S. Patil; Mohd Mustaqim Rosli; Hoong-Kun Fun; Ibrahim Abdul Razak; S. M. Dharmaprakash; Acta Crystallographica Section E 62 (2006) o4644–o4645; doi:10.1107/S1600536806038232

data_2210677
_publ_section_title
;
 1-(4-Bromophenyl)-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
;
_journal_coeditor_code           IS2077
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4644
_journal_page_last               o4645
_journal_paper_doi               10.1107/S1600536806038232
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C18 H17 Br O4'
_chemical_formula_moiety         'C18 H17 Br O4'
_chemical_formula_sum            'C18 H17 Br O4'
_chemical_formula_weight         377.23
_chemical_name_common
;
 1-(4-Bromophenyl)-3-(2,4,5-trimethoxyphenyl) prop-2-en-1-one
;
_chemical_name_systematic
;
1-(4-Bromophenyl)-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3031(3)
_cell_length_b                   10.3422(4)
_cell_length_c                   21.3355(9)
_cell_measurement_reflns_used    5753
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      25.85
_cell_measurement_theta_min      2.74
_cell_volume                     1611.47(11)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material
;
SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 2003)
;
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1998)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
;
Bruker SMART APEX2 CCD area-detector
;
_diffrn_measurement_method       \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  0.0887
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            31612
_diffrn_reflns_theta_full        25.85
_diffrn_reflns_theta_max         25.85
_diffrn_reflns_theta_min         2.19
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.568
_exptl_absorpt_correction_T_max  0.754
_exptl_absorpt_correction_T_min  0.577
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.555
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.579
_refine_diff_density_min         -0.570
_refine_ls_abs_structure_details 'Flack (1983), 1295 Friedel pairs'
_refine_ls_abs_structure_Flack   0.006(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         3101
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0534
_refine_ls_R_factor_gt           0.0323
_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^)+(0.0183P)^2^+1.5972P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0654
_refine_ls_wR_factor_ref         0.0740
_reflns_number_gt                2434
_reflns_number_total             3101
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is2077.cif
_cod_data_source_block           I
_cod_database_code               2210677
_cod_database_fobs_code          2210677