6,7-Dihydrodibenzo[<i>e</i>,<i>g</i>]azulen-8(5<i>H</i>)-one and 12,13-dihydrobenzo[<i>e</i>]napth[2,1-<i>g</i>]azulen-14(11<i>H</i>)-one
Ajees, A. Abdul; Ponnuswamy, M. N.; Parthasarathy, S.; Huq, C. A. M. A.; Acta Crystallographica Section C 56 (2000) 824–826; doi:10.1107/S0108270100003954

data_2011092
_publ_section_title
;
 6,7-Dihydrodibenzo[<i>e</i>,<i>g</i>]azulen-8(5<i>H</i>)-one and
 12,13-dihydrobenzo[<i>e</i>]napth[2,1-<i>g</i>]azulen-14(11<i>H</i>)-one
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              824
_journal_page_last               826
_journal_paper_doi               10.1107/S0108270100003954
_journal_volume                  56
_journal_year                    2000
_chemical_formula_sum            'C18 H14 O'
_chemical_formula_weight         246.29
_chemical_name_systematic
;
6,7-Dihydrodibenz[e,g]azulen-8(5H)-one
;
_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'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.0547(11)
_cell_length_b                   17.378(2)
_cell_length_c                   17.919(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      14
_cell_volume                     2508.2(6)
_computing_cell_refinement       'CAD-4 SDP (Frenz, 1978)'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'CAD-4 Software'
_computing_molecular_graphics    'ORTEPIII (Johnson & Burnett, 1998)'
_computing_publication_material  'SHELXL97 and PARST (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full .916
_diffrn_measured_fraction_theta_max .916
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  .000
_diffrn_reflns_av_sigmaI/netI    .028
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            2449
_diffrn_reflns_theta_full        72.00
_diffrn_reflns_theta_max         77.67
_diffrn_reflns_theta_min         4.94
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_time  120min
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .616
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular prism'
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          .40
_exptl_crystal_size_mid          .18
_exptl_crystal_size_min          .05
_refine_diff_density_max         .175
_refine_diff_density_min         -.140
_refine_ls_extinction_coef       .0031(3)
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         2449
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          .059
_refine_ls_R_factor_gt           .036
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0557P)^2^+0.2676P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .105
_reflns_number_gt                1794
_reflns_number_total             2449
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            de1128.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               2011092
_cod_database_fobs_code          2011092