Efficient hydrolytic cleavage of plasmid DNA by chloro-cobalt(ii) complexes based on sterically hindered pyridyl tripod tetraamine ligands: synthesis, crystal structure and DNA cleavage.
Massoud, Salah S.; Perkins, Richard S.; Louka, Febee R.; Xu, Wu; Le Roux, Anne; Dutercq, Quentin; Fischer, Roland C.; Mautner, Franz A.; Handa, Makoto; Hiraoka, Yuya; Kreft, Gabriel L.; Bortolotto, Tiago; Terenzi, Hernán; Dalton transactions (Cambridge, England : 2003) 43 (2014) 10086–10103; doi:10.1039/c4dt00615a

data_7030745
_publ_section_title
;
 Efficient hydrolytic cleavage of plasmid DNA by chloro-cobalt(ii)
 complexes based on sterically hindered pyridyl tripod tetraamine ligands:
 synthesis, crystal structure and DNA cleavage.
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10086
_journal_page_last               10103
_journal_paper_doi               10.1039/c4dt00615a
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C26 H22 Cl Co N4 1+, F6 P 1-'
_chemical_formula_sum            'C26 H22 Cl Co F6 N4 P'
_chemical_formula_weight         629.83
_chemical_name_common            '[CoCl(BQPA)]PF6'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 90.830(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   33.652(2)
_cell_length_b                   9.7685(6)
_cell_length_c                   15.7094(9)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.20
_cell_volume                     5163.6(5)
_computing_cell_refinement       'Bruker APEX-2'
_computing_data_collection       'Bruker APEX-2'
_computing_data_reduction        'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II'
_diffrn_measurement_method       \w-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  0.0243
_diffrn_reflns_av_sigmaI/netI    0.0158
_diffrn_reflns_limit_h_max       50
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            61695
_diffrn_reflns_theta_full        32.55
_diffrn_reflns_theta_max         32.55
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.898
_exptl_absorpt_correction_T_max  0.8479
_exptl_absorpt_correction_T_min  0.7499
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2552
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.525
_refine_diff_density_min         -0.449
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         9347
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0298
_refine_ls_R_factor_gt           0.0252
_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^)+(0.0320P)^2^+4.7344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0654
_refine_ls_wR_factor_ref         0.0682
_reflns_number_gt                8416
_reflns_number_total             9347
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt00615a2.cif
_cod_data_source_block           rf1921k
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7030743--7030746.cif.
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7030745