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_7111775
_publ_section_title
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 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            'C10 H9 Cl O8'
_chemical_formula_weight         292.62
_chemical_name_systematic
;
?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXLTL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.190(4)
_cell_length_b                   12.552(4)
_cell_length_c                   8.820(3)
_cell_measurement_reflns_used    3642
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.31
_cell_measurement_theta_min      2.82
_cell_volume                     1128.1(7)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector Bruker Apex'
_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  0.0324
_diffrn_reflns_av_sigmaI/netI    0.0170
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            12297
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    0.375
_exptl_absorpt_correction_T_max  0.9634
_exptl_absorpt_correction_T_min  0.8705
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange-yellow
_exptl_crystal_density_diffrn    1.723
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prizm
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.473
_refine_diff_density_min         -0.221
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     114
_refine_ls_number_reflns         1291
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0568P)^2^+0.4566P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0974
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                1129
_reflns_number_total             1291
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC01291Bsup1.cif
_cod_data_source_block           jw38a
_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 2.4.2 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      Pnma
_cod_database_code               7111775