When two metal centres are needed instead of one: exclusive induction of Z-DNA by dinuclear metal complexes
Alfredo Medina-Molner; Bernhard Spingler; Chem.Commun. 48 (2012) 1961–; doi:10.1039/c2cc16483c

data_7107335
_publ_section_title
;
 When two metal centres are needed instead of one: exclusive induction of
 Z-DNA by dinuclear metal complexes
;
_journal_name_full               Chem.Commun.
_journal_page_first              1961
_journal_paper_doi               10.1039/c2cc16483c
_journal_volume                  48
_journal_year                    2012
_chemical_formula_sum            'C27 H60 F6 N6 Ni2 O14 S2'
_chemical_formula_weight         988.35
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 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                 98.454(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.1025(10)
_cell_length_b                   15.5813(8)
_cell_length_c                   17.0644(11)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    183(2)
_cell_volume                     4234.9(4)
_computing_cell_refinement       'IPDS (Stoe, 1999)'
_computing_data_collection       'IPDS (Stoe, 1999)'
_computing_data_reduction        'X-RED (Stoe, 1999)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '/f oscillation scan'
_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  0.0474
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            17183
_diffrn_reflns_theta_full        30.47
_diffrn_reflns_theta_max         30.47
_diffrn_reflns_theta_min         2.87
_diffrn_standards_interval_count 'every image'
_diffrn_standards_interval_time  11
_diffrn_standards_number         50-200
_exptl_absorpt_coefficient_mu    1.080
_exptl_absorpt_correction_T_max  0.9064
_exptl_absorpt_correction_T_min  0.7695
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2072
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.001
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.105
_refine_ls_extinction_coef       0.0085(11)
_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   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     305
_refine_ls_number_reflns         6269
_refine_ls_number_restraints     95
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0821
_refine_ls_R_factor_gt           0.0658
_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^)+(0.1306P)^2^+2.3058P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1939
_refine_ls_wR_factor_ref         0.2106
_reflns_number_gt                4594
_reflns_number_total             6269
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc16483c.txt
_cod_data_source_block           am181203
_cod_original_sg_symbol_H-M      I2/a
_cod_database_code               7107335