The importance of an additional water bridge in making the exchange coupling of bis(μ-phenoxo) dinickel(ii)complexes ferromagnetic.
Biswas, Rituparna; Kar, Paramita; Song, You; Ghosh, Ashutosh; Dalton transactions (Cambridge, England : 2003) 40 (2011) 5324–5331; doi:10.1039/c0dt01585g

data_7015431
_publ_section_title
;
 The importance of an additional water bridge in making the exchange
 coupling of bis(\m-phenoxo) dinickel(ii)complexes ferromagnetic.
;
_journal_issue                   19
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5324
_journal_page_last               5331
_journal_paper_doi               10.1039/c0dt01585g
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C40 H50 N4 Ni2 O7'
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_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
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_cell_angle_beta                 87.141(8)
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_cell_length_b                   18.545(5)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.40
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_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
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_computing_molecular_graphics    'Ortep-3 for windows (Farrugia, 1997)'
_computing_publication_material  'Platon99 (Spek, 1999)'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.963
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'BRUKER SMART ApexCCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
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_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            43562
_diffrn_reflns_theta_full        26.40
_diffrn_reflns_theta_max         26.40
_diffrn_reflns_theta_min         0.97
_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    0.996
_exptl_absorpt_correction_T_max  0.9707
_exptl_absorpt_correction_T_min  0.8333
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.359
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1720
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_refine_ls_extinction_method     none
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_refine_ls_number_parameters     971
_refine_ls_number_reflns         15762
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_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0860
_refine_ls_R_factor_gt           0.0596
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1331P)^2^+3.1168P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7015431