Tri- and hexanuclear heterometallic Ni(ii)–M(ii) (M = Ca, Sr and Ba) bis(salamo)-type complexes: synthesis, structure and fluorescence properties
Dong, Xiu-Yan; Li, Xiao-Yan; Liu, Ling-Zhi; Zhang, Han; Ding, Yu-Jie; Dong, Wen-Kui; RSC Adv. 7 (2017) 48394–; doi:10.1039/C7RA07826A

data_7229341
_publ_section_title
;
 Tri- and hexanuclear heterometallic Ni(ii)--M(ii) (M = Ca, Sr and Ba)
 bis(salamo)-type complexes: synthesis, structure and fluorescence
 properties
;
_journal_issue                   76
_journal_name_full               'RSC Adv.'
_journal_page_first              48394
_journal_paper_doi               10.1039/C7RA07826A
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C38 H42 Ca N4 Ni2 O16, 2(C H Cl3), 2(C2 H6 O)'
_chemical_formula_sum            'C44 H56 Ca Cl6 N4 Ni2 O18'
_chemical_formula_weight         1299.12
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-07-15 deposited with the CCDC.
2017-10-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.627(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.4086(8)
_cell_length_b                   12.0628(6)
_cell_length_c                   29.5294(9)
_cell_measurement_reflns_used    3718
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.11
_cell_volume                     5394.5(4)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2008)'
_computing_publication_material  'SHELXTL (Bruker, 2008)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXTL (Bruker, 2008)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0117
_diffrn_reflns_av_unetI/netI     0.0615
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.976
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            21343
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.976
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.997
_diffrn_reflns_theta_min         1.397
_exptl_absorpt_coefficient_mu    1.164
_exptl_absorpt_correction_T_max  0.81
_exptl_absorpt_correction_T_min  0.77
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2008'
_exptl_crystal_colour            'clear dark green'
_exptl_crystal_density_diffrn    1.600
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2680
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.200
_refine_diff_density_max         2.325
_refine_diff_density_min         -1.348
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     642
_refine_ls_number_reflns         10337
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0469
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.03P)^2^+1.22P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.0986
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7204
_reflns_number_total             10337
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra07826a2.cif
_cod_data_source_block           D847_2
_cod_database_code               7229341
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.767
_shelx_estimated_absorpt_t_max   0.801
_shelx_res_checksum              16667