Supramolecular synthesis of some molecular adducts of 4,4′-bipyridine N,N′-dioxide
Arora, Kapildev K.; Talwelkar, Mayura S.; Pedireddi, V. R.; New Journal of Chemistry 33 (2009) 57–; doi:10.1039/b807853j

data_7051574
_publ_section_title
;
 Supramolecular synthesis of some molecular adducts of
 4,4&#x2032;-bipyridine N,N&#x2032;-dioxide
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              57
_journal_paper_doi               10.1039/b807853j
_journal_volume                  33
_journal_year                    2009
_chemical_formula_moiety         'C10 H8 N2 O2, 2(C3 H3 N3 O3)'
_chemical_formula_sum            'C16 H14 N8 O8'
_chemical_formula_weight         446.35
_chemical_name_common            'BPDO + CA'
_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                91.93(1)
_cell_angle_beta                 91.44(1)
_cell_angle_gamma                108.10(1)
_cell_formula_units_Z            2
_cell_length_a                   8.218(3)
_cell_length_b                   9.299(4)
_cell_length_c                   12.168(5)
_cell_measurement_temperature    298(2)
_cell_volume                     882.7(6)
_computing_cell_refinement       SAINTPLUS
_computing_data_collection       SMART
_computing_data_reduction        SAINTPLUS
_computing_structure_refinement  'SHELXTL (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(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       SMART
_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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3845
_diffrn_reflns_theta_full        23.30
_diffrn_reflns_theta_max         23.30
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS; Sheldrick, 1996'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.679
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block-like
_exptl_crystal_F_000             460
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.378
_refine_diff_density_min         -0.438
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         2526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0731
_refine_ls_R_factor_gt           0.0612
_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^)+(0.1173P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1520
_refine_ls_wR_factor_ref         0.1656
_reflns_number_gt                1983
_reflns_number_total             2526
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b807853j.txt
_cod_data_source_block           datam
_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_sg_symbol_H-M      P-1
_cod_database_code               7051574