2-(Dimethylamino)anthraquinone
Fei, Zhuan; Cai, Qun; Li, Lin; Acta Crystallographica Section E 66 (2010) o3091–; doi:10.1107/S1600536810044636

data_2228473
_publ_section_title
;
 2-(Dimethylamino)anthraquinone
;
_journal_coeditor_code           NG5045
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3091
_journal_paper_doi               10.1107/S1600536810044636
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C16 H13 N O2'
_chemical_formula_moiety         'C16 H13 N O2'
_chemical_formula_sum            'C16 H13 N O2'
_chemical_formula_weight         251.27
_chemical_name_systematic
;
2-(Dimethylamino)anthraquinone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.979(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.8614(6)
_cell_length_b                   19.945(2)
_cell_length_c                   12.8624(15)
_cell_measurement_reflns_used    4567
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.06
_cell_measurement_theta_min      2.59
_cell_volume                     1240.4(2)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       'phi and omega 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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0175
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14833
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.59
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.299
_refine_diff_density_min         -0.172
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         3050
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0716
_refine_ls_R_factor_gt           0.0549
_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^)+(0.0842P)^2^+0.2178P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1484
_refine_ls_wR_factor_ref         0.1612
_reflns_number_gt                2267
_reflns_number_total             3050
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ng5045.cif
_cod_data_source_block           I
_cod_original_cell_volume        1240.3(3)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2228473
_cod_database_fobs_code          2228473