Mixed ligand cobalt(II) picolinate complexes: synthesis, characterization, DNA binding and photocleavage.
Kawade, Vitthal A.; Kumbhar, Anupa A.; Kumbhar, Avinash S.; Näther, Christian; Erxleben, Andrea; Sonawane, Uddhavesh B.; Joshi, Rajendra R.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 639–650; doi:10.1039/c0dt01078b

data_7014703
_publ_section_title
;
 Mixed ligand cobalt(II) picolinate complexes: synthesis,
 characterization, DNA binding and photocleavage.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              639
_journal_page_last               650
_journal_paper_doi               10.1039/c0dt01078b
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C26 H16 Co N6 O4'
_chemical_formula_weight         535.38
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.898(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5253(5)
_cell_length_b                   18.4782(15)
_cell_length_c                   13.9892(8)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      6
_cell_volume                     2198.7(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0544
_diffrn_reflns_av_sigmaI/netI    0.0517
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9881
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         2.64
_exptl_absorpt_coefficient_mu    0.831
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.617
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1092
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.739
_refine_diff_density_min         -0.669
_refine_diff_density_rms         0.095
_refine_ls_extinction_coef       0.0043(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         4289
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0737
_refine_ls_R_factor_gt           0.0509
_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^)+(0.0843P)^2^+1.2311P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1291
_refine_ls_wR_factor_ref         0.1407
_reflns_number_gt                3143
_reflns_number_total             4289
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0DT01078B.TXT
_cod_data_source_block           cpq
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7014703