Synthesis and structural characterization of a fused bispyrone and preparation of the first metal bispyrylium complexes
Waynant, Kristopher V.; White, James D.; Zakharov, Lev; Chemical Communications 46 (2010) 5304–5306; doi:10.1039/c0cc01291b

data_7111773
_publ_section_title
;
 Synthesis and structural characterization of a fused bispyrone and
 preparation of the first metal bispyrylium complexes
;
_journal_issue                   29
_journal_name_full               'Chemical Communications'
_journal_page_first              5304
_journal_page_last               5306
_journal_paper_doi               10.1039/c0cc01291b
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C20 H20 Ba Cl2 O18'
_chemical_formula_weight         756.60
_chemical_name_systematic        ?
_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           SHELXLTL
_cell_angle_alpha                92.527(2)
_cell_angle_beta                 99.751(2)
_cell_angle_gamma                97.818(2)
_cell_formula_units_Z            2
_cell_length_a                   10.1152(15)
_cell_length_b                   10.2248(15)
_cell_length_c                   12.9429(19)
_cell_measurement_reflns_used    6100
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.23
_cell_measurement_theta_min      2.83
_cell_volume                     1303.9(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker Apex 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  0.0153
_diffrn_reflns_av_sigmaI/netI    0.0164
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14739
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    1.815
_exptl_absorpt_correction_T_max  0.8684
_exptl_absorpt_correction_T_min  0.5379
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.927
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             748
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.143
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.186
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         5654
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.190
_refine_ls_R_factor_all          0.0209
_refine_ls_R_factor_gt           0.0205
_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^)+(0.0380P)^2^+0.4783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0635
_refine_ls_wR_factor_ref         0.0639
_reflns_number_gt                5528
_reflns_number_total             5654
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC01291Bsup1.cif
_cod_data_source_block           jw56
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7111773