From a mononuclear Ni(II) precursor to antiferromagnetically coupled trinuclear double-stranded helicates.
Safin, Damir A.; Babashkina, Maria G.; Robeyns, Koen; Rouzières, Mathieu; Clérac, Rodolphe; Garcia, Yann; Dalton transactions (Cambridge, England : 2003) 42 (2013) 16470–16473; doi:10.1039/c3dt52387j

data_7024003
_publ_section_title
;
 From a mononuclear Ni(II) precursor to antiferromagnetically coupled
 trinuclear double-stranded helicates.
;
_journal_issue                   47
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16470
_journal_page_last               16473
_journal_paper_doi               10.1039/c3dt52387j
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C52 H52 Br4 N8 Ni3 O10 P2 S4'
_chemical_formula_sum            'C52 H52 Br4 N8 Ni3 O10 P2 S4'
_chemical_formula_weight         1634.97
_chemical_name_systematic
; 
 ? 
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_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 130.11(9)
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_cell_length_b                   10.6228(11)
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_cell_measurement_reflns_used    1259
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_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection       MAR
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      160(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'MAR345 image plate'
_diffrn_measurement_method       '80 images, \D\F 2.5\% '
_diffrn_radiation_monochromator  'Zr filter'
_diffrn_radiation_source         'Rigaku UltraX 18 rotating anode'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_k_max       7
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_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5550
_diffrn_reflns_theta_full        15.50
_diffrn_reflns_theta_max         15.50
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_exptl_absorpt_coefficient_mu    3.559
_exptl_absorpt_correction_T_max  1.00000
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'yellow translucent'
_exptl_crystal_density_diffrn    1.673
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3272
_exptl_crystal_size_max          0.16
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_exptl_crystal_size_min          0.04
_platon_squeeze_details
;
;
_refine_diff_density_max         0.426
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     355
_refine_ls_number_reflns         1429
_refine_ls_number_restraints     365
_refine_ls_restrained_S_all      0.954
_refine_ls_R_factor_all          0.1019
_refine_ls_R_factor_gt           0.0713
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0864P)^2^+122.1993P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1637
_refine_ls_wR_factor_ref         0.1808
_reflns_number_gt                1000
_reflns_number_total             1429
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52387j.txt
_cod_data_source_block           safin144
_cod_original_cell_volume        6493(5)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7024003