A new family of ni4 and ni6 aggregates from the self-assembly of [ni2] building units: role of carboxylate and carbonate bridges.
Pait, Moumita; Bauzá, Antonio; Frontera, Antonio; Colacio, Enrique; Ray, Debashis; Inorganic chemistry 54 (2015) 4709–4723; doi:10.1021/acs.inorgchem.5b00039

data_4343013
_publ_section_title
;
 A new family of ni4 and ni6 aggregates from the self-assembly of [ni2]
 building units: role of carboxylate and carbonate bridges.
;
_journal_issue                   10
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4709
_journal_page_last               4723
_journal_paper_doi               10.1021/acs.inorgchem.5b00039
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety
'C44 H74 N4 Ni4 O12, 2(C3 H7 N O), 2(N O3), O(H2)'
_chemical_formula_sum            'C50 H90 N8 Ni4 O21'
_chemical_formula_weight         1374.06
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.757(4)
_cell_angle_beta                 81.451(4)
_cell_angle_gamma                75.416(4)
_cell_formula_units_Z            2
_cell_length_a                   11.2454(16)
_cell_length_b                   14.308(2)
_cell_length_c                   21.196(3)
_cell_measurement_reflns_used    5469
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      17.86
_cell_measurement_theta_min      2.38
_cell_volume                     3209.1(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    Diamond
_computing_publication_material
'SHELXL-97 (Sheldrick, 1997), PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick,1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0664
_diffrn_reflns_av_sigmaI/netI    0.0788
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            41706
_diffrn_reflns_theta_full        26.42
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         0.99
_exptl_absorpt_coefficient_mu    1.231
_exptl_absorpt_correction_T_max  0.763
_exptl_absorpt_correction_T_min  0.681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.420
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.593
_refine_diff_density_min         -0.623
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_matrix_type           full
_refine_ls_number_parameters     768
_refine_ls_number_reflns         12938
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1041
_refine_ls_R_factor_gt           0.0560
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0704P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1288
_refine_ls_wR_factor_ref         0.1541
_reflns_number_gt                8057
_reflns_number_total             12938
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic5b00039_si_002.cif
_cod_data_source_block           Complex1
_cod_depositor_comments
'Adding full bibliography for 4343013--4343015.cif.'
_cod_database_code               4343013