2-(4-Ethoxybenzyl)indan
Turner, Alan B.; Harrison, William T. A.; Acta Crystallographica Section E 60 (2004) o2138–o2139; doi:10.1107/S1600536804026492

data_2204449
_publ_section_title
;
 2-(4-Ethoxybenzyl)indan
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2138
_journal_page_last               o2139
_journal_paper_doi               10.1107/S1600536804026492
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C18 H20 O'
_chemical_formula_moiety         'C18 H20 O'
_chemical_formula_sum            'C18 H20 O'
_chemical_formula_weight         252.34
_chemical_name_systematic
;
2-(4-Ethoxybenzyl)indan
;
_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                 112.610(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.5624(12)
_cell_length_b                   5.6290(3)
_cell_length_c                   16.3266(14)
_cell_measurement_reflns_used    3361
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1405.14(18)
_computing_cell_refinement       'HKL SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction
'HKL DENZO (Otwinowski & Minor, 1997),  SCALEPACK and SORTAV (Blessing, 1995)'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f'
_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  0.2557
_diffrn_reflns_av_sigmaI/netI    0.1822
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15379
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.98
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.997
_exptl_absorpt_correction_T_min  0.985
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.193
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.268
_refine_ls_extinction_coef       0.023(4)
_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   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2604
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.1967
_refine_ls_R_factor_gt           0.0891
_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^)+(0.0752P)^2^+0.112P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1656
_refine_ls_wR_factor_ref         0.2107
_reflns_number_gt                1259
_reflns_number_total             2604
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6549.cif
_cod_data_source_block           II
_cod_original_cell_volume        1405.14(17)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2204449
_cod_database_fobs_code          2204449