Methyl 3,4-bis(cyclopropylmethoxy)benzoate
Cheng, Xian-Chao; Hou, Jing-Jing; Xie, Cheng-Zhi; Wang, Run-Ling; Xu, Wei-Ren; Acta Crystallographica Section E 67 (2011) o1130–; doi:10.1107/S1600536811013158

data_2230050
_publ_section_title
;
 Methyl 3,4-bis(cyclopropylmethoxy)benzoate
;
_journal_coeditor_code           JH2279
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1130
_journal_paper_doi               10.1107/S1600536811013158
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C16 H20 O4'
_chemical_formula_moiety         'C16 H20 O4'
_chemical_formula_sum            'C16 H20 O4'
_chemical_formula_weight         276.33
_chemical_name_systematic        'Methyl 3,4-bis(cyclopropylmethoxy)benzoate'
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   4.9018(8)
_cell_length_b                   15.543(2)
_cell_length_c                   18.846(2)
_cell_measurement_reflns_used    6064
_cell_measurement_temperature    113
_cell_measurement_theta_max      31.40
_cell_measurement_theta_min      1.30
_cell_volume                     1435.9(3)
_computing_cell_refinement       '<i>CrystalClear-SM Expert</i> (Rigaku, 2009)'
_computing_data_collection       '<i>CrystalClear-SM Expert</i> (Rigaku, 2009)'
_computing_data_reduction        '<i>CrystalClear-SM Expert</i> (Rigaku, 2009)'
_computing_molecular_graphics    'CrystalStructure (Rigaku, 2009)'
_computing_publication_material  'CrystalStructure (Rigaku, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      113
_diffrn_detector_area_resol_mean 14.222
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Saturn724 CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0338
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            20068
_diffrn_reflns_theta_full        29.11
_diffrn_reflns_theta_max         29.10
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.891
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(REQAB; Jacobson, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             592.00
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.570
_refine_diff_density_min         -0.190
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     182
_refine_ls_number_reflns         3852
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0778P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1135
_reflns_number_gt                3300
_reflns_number_total             3852
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            jh2279.cif
_cod_data_source_block           I
_cod_database_code               2230050
_cod_database_fobs_code          2230050