The synthesis and properties of a new linear NPN proligand
Hitchcock, Peter B.; Lee, Ting Huei; Leigh, G. Jeffery; Dalton Transactions  (2003) 2276–; doi:10.1039/b300596h

data_7012736
_publ_section_title
;
 The synthesis and properties of a new linear NPN proligand
;
_journal_issue                   11
_journal_name_full               'Dalton Transactions'
_journal_page_first              2276
_journal_paper_doi               10.1039/b300596h
_journal_year                    2003
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         '(C32 H62 Br4 N4 Ni1 P2)(Ni1 Br4)'
_chemical_formula_sum            'C32 H62 Br8 N4 Ni2 P2'
_chemical_formula_weight         1321.5
_chemical_name_common            (NiBr4(P(NHEt2)2)2)(NiBr4)
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_audit_conform_dict_location     ftp://ftp.iucr.org/cifdics/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1
_audit_creation_date             2001-04-03T14:26:23-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                69.712(6)
_cell_angle_beta                 82.206(6)
_cell_angle_gamma                86.362(6)
_cell_formula_units_Z            2
_cell_length_a                   12.1242(14)
_cell_length_b                   13.7869(17)
_cell_length_c                   15.5447(17)
_cell_measurement_reflns_used    34269
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     2414.3(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0948
_diffrn_reflns_av_unetI/netI     0.1223
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            16131
_diffrn_reflns_theta_full        25.1
_diffrn_reflns_theta_max         25.1
_diffrn_reflns_theta_min         3.72
_exptl_absorpt_coefficient_mu    7.492
_exptl_absorpt_correction_T_max  0.190
_exptl_absorpt_correction_T_min  0.135
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.818
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.371
_refine_diff_density_min         -2.27
_refine_diff_density_rms         0.242
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         8425
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.1346
_refine_ls_R_factor_gt           0.083
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1090P)^2^+4.6430P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1884
_refine_ls_wR_factor_ref         0.2188
_reflns_number_gt                5473
_reflns_number_total             8425
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b300596h.txt
_cod_data_source_block           gjl-4
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7012736