Four quadruple metal-metal bonds lined up: linear nonachromium(II) metal string complexes.
Ismayilov, Rayyat H; Wang, Wen-Zhen; Wang, Rui-Ren; Yeh, Chen-Yu; Lee, Gene-Hsiang; Peng, Shie-Ming; Chemical communications (Cambridge, England)  (2007) 1121–1123; doi:10.1039/b614597c

data_7101768
_publ_section_title
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 Four quadruple metal-metal bonds lined up: linear nonachromium(II)
 metal string complexes.
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_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1121
_journal_page_last               1123
_journal_paper_doi               10.1039/b614597c
_journal_year                    2007
_chemical_formula_sum            'C124 H114 Cl2 Cr9 N40 O'
_chemical_formula_weight         2719.45
_chemical_name_systematic
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?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 95.391(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   44.392(3)
_cell_length_b                   14.3963(10)
_cell_length_c                   18.6471(12)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.00
_cell_volume                     11864.3(14)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'NONIUS COLLECT'
_computing_data_reduction        DENZO-SMN
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'NONIUS KappaCCD'
_diffrn_measurement_method       '\w 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  0.1001
_diffrn_reflns_av_sigmaI/netI    0.1009
_diffrn_reflns_limit_h_max       52
_diffrn_reflns_limit_h_min       -52
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            46502
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.907
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.782
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            dark-brown
_exptl_crystal_density_diffrn    1.522
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             5584
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.977
_refine_diff_density_min         -1.049
_refine_diff_density_rms         0.182
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     771
_refine_ls_number_reflns         10382
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1884
_refine_ls_R_factor_gt           0.0788
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1090P)^2^+51.0938P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1929
_refine_ls_wR_factor_ref         0.2618
_reflns_number_gt                4710
_reflns_number_total             10382
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b614597c.txt
_cod_data_source_block           ic11235
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7101768