DNA/protein binding and cytotoxicity studies of copper(ii) complexes containing N,N′,N′′-trisubstituted guanidine ligands
Jeyalakshmi, Kumaramangalam; Selvakumaran, Nagamani; Bhuvanesh, Nattamai S. P.; Sreekanth, Anantharaman; Karvembu, Ramasamy; RSC Advances 4 (2014) 17179–; doi:10.1039/c4ra01459f

data_7235554
_publ_section_title
;
 DNA/protein binding and cytotoxicity studies of copper(ii) complexes
 containing N,N&#x2032;,N&#x2032;&#x2032;-trisubstituted guanidine ligands
;
_journal_issue                   33
_journal_name_full               'RSC Advances'
_journal_page_first              17179
_journal_paper_doi               10.1039/c4ra01459f
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C19 H17 N3 O S'
_chemical_formula_weight         335.42
_space_group_IT_number           81
_space_group_name_Hall           'P -4'
_space_group_name_H-M_alt        'P -4'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'P -4'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.258(5)
_cell_length_b                   19.258(5)
_cell_length_c                   9.374(2)
_cell_measurement_reflns_used    9978
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.25
_cell_measurement_theta_min      2.42
_cell_volume                     3476.5(15)
_computing_cell_refinement
; 

  APEX-II(BRUKER-NONIUS, 2003) 

;
_computing_data_collection       'APEX-II (BRUKER-NONIUS, 2003)'
_computing_data_reduction        APEX-II
_computing_molecular_graphics    Olex2
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'APEX II'
_diffrn_measurement_method       '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  0.0327
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            38915
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.06
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.196
_exptl_absorpt_correction_T_max  0.9618
_exptl_absorpt_correction_T_min  0.8914
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2006)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     467
_refine_ls_number_reflns         7889
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0436
_refine_ls_R_factor_gt           0.0403
_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^)+(0.0323P)^2^+1.3218P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0917
_refine_ls_wR_factor_ref         0.0939
_reflns_number_gt                7440
_reflns_number_total             7889
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra01459f1.cif
_cod_data_source_block           rkb
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Tetragonal' was changed to
'tetragonal' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        3476.6(14)
_cod_original_sg_symbol_H-M      P-4
_cod_database_code               7235554