10,10-Dimethylanthrone
Fun, Hoong-Kun; Hemamalini, Madhukar; Siddaraju, B. P.; Yathirajan, H. S.; Siddegowda, M. S.; Acta Crystallographica Section E 66 (2010) o808–o809; doi:10.1107/S1600536810008524

data_2225714
_publ_section_title
;
 10,10-Dimethylanthrone
;
_journal_coeditor_code           SJ2742
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o808
_journal_page_last               o809
_journal_paper_doi               10.1107/S1600536810008524
_journal_volume                  66
_journal_year                    2010
_chemical_formula_moiety         'C16 H14 O'
_chemical_formula_sum            'C16 H14 O'
_chemical_formula_weight         222.27
_chemical_name_common            10,10-Dimethylanthrone
_chemical_name_systematic
;
10,10-Dimethyl-10<i>H</i>-anthracen-9-one
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                107.9550(10)
_cell_angle_beta                 98.7340(10)
_cell_angle_gamma                111.7640(10)
_cell_formula_units_Z            6
_cell_length_a                   11.2438(6)
_cell_length_b                   12.1105(6)
_cell_length_c                   15.1025(8)
_cell_measurement_reflns_used    9906
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      32.65
_cell_measurement_theta_min      2.84
_cell_volume                     1732.48(16)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.00(10)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type
;
Bruker APEX DUO CCD area-detector diffractometer
;
_diffrn_measurement_method       '\f and \w 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  0.0278
_diffrn_reflns_av_sigmaI/netI    0.0282
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            35076
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9789
_exptl_absorpt_correction_T_min  0.9534
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2009)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             708
_exptl_crystal_size_max          0.62
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.536
_refine_diff_density_min         -0.360
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         10016
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0807P)^2^+0.4760P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1227
_refine_ls_wR_factor_ref         0.1424
_reflns_number_gt                8420
_reflns_number_total             10016
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj2742.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1732.47(16)
_cod_database_code               2225714
_cod_database_fobs_code          2225714