Ethyl anthracene-9-carboxylate
Weber, Edwin; Seichter, Wilhelm; Fischer, Conrad; Bendrath, L. M. S. Franziska; Ibragimov, Bakhtiyar T.; Acta Crystallographica Section E 64 (2008) o1288–; doi:10.1107/S1600536808017819

data_2218698
_publ_section_title
;
 Ethyl anthracene-9-carboxylate
;
_journal_coeditor_code           GK2145
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1288
_journal_paper_doi               10.1107/S1600536808017819
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C17 H14 O2'
_chemical_formula_moiety         'C17 H14 O2'
_chemical_formula_sum            'C17 H14 O2'
_chemical_formula_weight         250.28
_chemical_name_systematic
;
Ethyl anthracene-9-carboxylate
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 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                   8.5431(6)
_cell_length_b                   10.2137(7)
_cell_length_c                   14.5426(11)
_cell_measurement_reflns_used    4881
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.48
_cell_measurement_theta_min      2.44
_cell_volume                     1268.94(16)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       '\f and \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  0.0466
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15373
_diffrn_reflns_theta_full        30.64
_diffrn_reflns_theta_max         30.64
_diffrn_reflns_theta_min         2.44
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2020
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0349
_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^)+(0.0459P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0800
_refine_ls_wR_factor_ref         0.0845
_reflns_number_gt                1600
_reflns_number_total             2020
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gk2145.cif
_cod_data_source_block           I
_cod_database_code               2218698