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_7111782
_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 Cl2 O18 Zn'
_chemical_formula_weight         684.63
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXLTL
_cell_angle_alpha                90.00
_cell_angle_beta                 95.500(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.973(3)
_cell_length_b                   12.636(3)
_cell_length_c                   10.432(3)
_cell_measurement_reflns_used    3293
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      23.64
_cell_measurement_theta_min      2.54
_cell_volume                     1308.6(6)
_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  '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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            14755
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    1.229
_exptl_absorpt_correction_T_max  0.9080
_exptl_absorpt_correction_T_min  0.6944
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.738
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.680
_refine_diff_density_min         -0.305
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         2855
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0530
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0501P)^2^+0.7927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.1044
_reflns_number_gt                2314
_reflns_number_total             2855
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC01291Bsup1.cif
_cod_data_source_block           jw54
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_cell_volume        1308.5(6)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7111782