The systematic generation of monodentate bridging ethanoates in dinuclear nickel(II) complexes of asymmetric compartmental ligands
Adams, Harry; Clunas, Scott; Fenton, David E.; Spey, Sharon E.; Journal of the Chemical Society, Dalton Transactions  (2002) 441–448; doi:10.1039/b107928j

data_7014291
_publ_section_title
;
 The systematic generation of monodentate bridging ethanoates in
 dinuclear nickel(II) complexes of asymmetric compartmental ligands
;
_journal_coden_ASTM              JCSDAA
_journal_issue                   3
_journal_name_full
;
 Journal of the Chemical Society, Dalton Transactions
;
_journal_page_first              441
_journal_page_last               448
_journal_paper_doi               10.1039/b107928j
_journal_year                    2002
_chemical_formula_sum            'C25 H41 N6 Ni2 O4 S2'
_chemical_formula_weight         671.18
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.719(3)
_cell_length_b                   15.583(3)
_cell_length_c                   20.863(4)
_cell_measurement_reflns_used    125
_cell_measurement_temperature    150(2)
_cell_volume                     3159.7(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_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
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_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20791
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    1.363
_exptl_absorpt_correction_T_max  0.8758
_exptl_absorpt_correction_T_min  0.8115
_exptl_absorpt_correction_type   semi-empirical
_exptl_crystal_colour            blue-green
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1412
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.133
_refine_diff_density_min         -1.000
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_number_reflns         7511
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_refine_ls_R_factor_all          0.1339
_refine_ls_R_factor_gt           0.0700
_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^)+(0.0883P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1494
_refine_ls_wR_factor_ref         0.1746
_reflns_number_gt                4272
_reflns_number_total             7511
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ESI.txt
_cod_data_source_block           ifn90m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        3159.9(11)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7014291