Making connections with molecular wires: extending tri-nickel chains with axial cyanide, dicyanamide, and phenylacetylide ligands
Berry, John F.; Albert Cotton, F.; Murillo, Carlos A.; Dalton Transactions  (2003) 3015–3021; doi:10.1039/b305258c

data_7013172
_publ_section_title
;
 Making connections with molecular wires: extending tri-nickel chains
 with axial cyanide, dicyanamide, and phenylacetylide ligands
;
_journal_coden_ASTM              DTARAF
_journal_issue                   15
_journal_name_full               'Dalton Transactions'
_journal_page_first              3015
_journal_page_last               3021
_journal_paper_doi               10.1039/b305258c
_journal_year                    2003
_chemical_formula_moiety         Ni3(C10H8N3)4(CN)2,CH2Cl2
_chemical_formula_sum            'C43 H34 Cl2 N14 Ni3'
_chemical_formula_weight         993.87
_chemical_name_common            Ni3(dpa)4(CN)2,CH2Cl2
_space_group_IT_number           34
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 -2n'
_symmetry_space_group_name_H-M   'P n n 2'
_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            2
_cell_length_a                   13.0161(12)
_cell_length_b                   14.0693(13)
_cell_length_c                   11.4942(11)
_cell_measurement_reflns_used    5059
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55
_cell_measurement_theta_min      4.6
_cell_volume                     2104.9(3)
_computing_cell_refinement       SAINT
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker SMART'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0138
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            12152
_diffrn_reflns_theta_full        27.59
_diffrn_reflns_theta_max         27.59
_diffrn_reflns_theta_min         2.13
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.507
_exptl_absorpt_correction_T_max  0.5911
_exptl_absorpt_correction_T_min  0.5256
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       prism
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.39
_refine_diff_density_max         0.396
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.009(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         4178
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0238
_refine_ls_R_factor_gt           0.0228
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0338P)^2^+0.5055P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0588
_refine_ls_wR_factor_ref         0.0598
_reflns_number_gt                4041
_reflns_number_total             4178
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b305258c.txt
_cod_data_source_block           Compound_3
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/adriana/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 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      Pnn2
_cod_database_code               7013172