Coordination-Driven Self-Assembly of a Novel Carbonato-Bridged Heteromolecular Neutral Nickel(II) Triangle by Atmospheric CO2 Fixation
Pampa Mukherjee; Michael G. B. Drew; Marta Estrader; Ashutosh Ghosh; Inorganic Chemistry 47 (2008) 7784–7791; doi:10.1021/ic800786s

data_4305856
_publ_section_title
;
Coordination-Driven Self-Assembly of a Novel Carbonato-Bridged
Heteromolecular Neutral Nickel(II) Triangle by Atmospheric CO2 Fixation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7784
_journal_page_last               7791
_journal_paper_doi               10.1021/ic800786s
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C22 H30 N4 Ni O2'
_chemical_formula_weight         441.21
_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                 96.099(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.8166(4)
_cell_length_b                   8.7263(10)
_cell_length_c                   17.778(2)
_cell_measurement_reflns_used    5361
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.00
_cell_measurement_theta_min      2.30
_cell_volume                     1051.52(18)
_computing_cell_refinement       'Crysalis, Oxford Diffraction'
_computing_data_collection       'Crysalis, Oxford Diffraction'
_computing_data_reduction        'Crysalis, Oxford Diffraction'
_computing_molecular_graphics    PLATON(Spek,2004)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.896
_diffrn_measured_fraction_theta_max 0.896
_diffrn_measurement_device       'Oxford Diffaction X-Calibur System'
_diffrn_measurement_method       '321 frames, counting time 10 s.'
_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  0.0376
_diffrn_reflns_av_sigmaI/netI    0.0982
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            5361
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         2.30
_diffrn_standards_decay_%        n/a
_diffrn_standards_interval_count n/a
_diffrn_standards_interval_time  n/a
_diffrn_standards_number         n/a
_exptl_absorpt_coefficient_mu    0.948
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.911
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSPACK, Oxford Diffraction Ltd'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.394
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.747
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     134
_refine_ls_number_reflns         2753
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.747
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0320
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
_refine_ls_weighting_details 
  w=1/[\s^2^(Fo^2^)+(0.0417P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0665
_refine_ls_wR_factor_ref         0.0745
_reflns_number_gt                1593
_reflns_number_total             2753
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800786s-file001_1.cif
_cod_data_source_block           1
_cod_original_cell_volume        1051.49(18)
_cod_database_code               4305856