Dimethyl 3,3'-dimethoxybiphenyl-4,4'-dicarboxylate
Lundvall, Fredrik; Wragg, David Stephen; Dietzel, Pascal D. C.; Fjellvåg, Helmer; Acta Crystallographica Section E 70 (2014) o449–; doi:10.1107/S1600536814005613

data_2239266
_publ_section_title
;
 Dimethyl 3,3'-dimethoxybiphenyl-4,4'-dicarboxylate
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o449
_journal_paper_doi               10.1107/S1600536814005613
_journal_volume                  70
_journal_year                    2014
_chemical_formula_iupac          'C18 H18 O6'
_chemical_formula_moiety         'C18 H18 O6'
_chemical_formula_sum            'C18 H18 O6'
_chemical_formula_weight         330.32
_chemical_name_systematic
;
Dimethyl 3,3'-dimethoxybiphenyl-4,4'-dicarboxylate
;
_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                 97.410(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9320(6)
_cell_length_b                   7.3736(4)
_cell_length_c                   16.4203(8)
_cell_measurement_reflns_used    5300
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      25.34
_cell_measurement_theta_min      2.50
_cell_volume                     1552.69(13)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
;
DIAMOND (Brandenburg, 2004) and <i>ChemBioDraw Ultra</i>
(CambridgeSoft, 2009)
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement
;
SHELXL97 (Sheldrick, 2008) and WinGX (Farrugia, 2012)
;
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>, 1994)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker PHOTON CCD'
_diffrn_measurement_method       '\f and \w 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  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14813
_diffrn_reflns_theta_full        25.36
_diffrn_reflns_theta_max         25.36
_diffrn_reflns_theta_min         2.50
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9759
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.206
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0766
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0692P)^2^+0.5584P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1274
_refine_ls_wR_factor_ref         0.1425
_reflns_number_gt                2023
_reflns_number_total             2830
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ld2122sup1.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2239266
_cod_database_fobs_code          2239266