1-Ethynyl-2-isopropoxy-3-methoxybenzene
Craig M. Williams; Lewis N. Mander; Paul V. Bernhardt; Acta Crystallographica Section E 59 (2003) o561–o563; doi:10.1107/S1600536803006585

data_2202171
_publ_section_title
;
 1-Ethynyl-2-isopropoxy-3-methoxybenzene
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o561
_journal_page_last               o563
_journal_paper_doi               10.1107/S1600536803006585
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C12 H14 O2'
_chemical_formula_moiety         'C12 H14 O2'
_chemical_formula_structural     'C12 H14 O2'
_chemical_formula_sum            'C12 H14 O2'
_chemical_formula_weight         190.23
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   9.8950(10)
_cell_length_b                   11.343(2)
_cell_length_c                   18.791(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      14.149
_cell_measurement_theta_min      11.211
_cell_volume                     2109.1(5)
_computing_cell_refinement       'CAD-4 EXPRESS'
_computing_data_collection       'CAD-4 EXPRESS (Enraf-Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1985)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf-Nonius TurboCAD4'
_diffrn_measurement_method       'non-profiled \w/2\q'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.037
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -1
_diffrn_reflns_number            2431
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.17
_diffrn_standards_decay_%        1
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.08
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.23
_refine_ls_extinction_coef       0.0097(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     131
_refine_ls_number_reflns         1847
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0619P)^2^+0.4832P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1123
_reflns_number_gt                1368
_reflns_number_total             1847
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            su6020.cif
_cod_data_source_block           I
_cod_database_code               2202171
_cod_database_fobs_code          2202171