Synthesis and chemistry of bis(triisopropylphosphine) nickel(i) and nickel(0) precursors.
Beck, Robert; Shoshani, Manar; Krasinkiewicz, Jonathan; Hatnean, Jillian A.; Johnson, Samuel A.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 1461–1475; doi:10.1039/c2dt32008h

data_7020803
_publ_section_title
;
 Synthesis and chemistry of bis(triisopropylphosphine) nickel(i) and
 nickel(0) precursors.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1461
_journal_page_last               1475
_journal_paper_doi               10.1039/c2dt32008h
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         '2(C21 H31 Ni P2)'
_chemical_formula_sum            'C42 H62 Ni2 P4'
_chemical_formula_weight         808.22
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2011-06-10
_audit_creation_method
;
Olex2 1.1
(compiled 2011.02.15 svn.r1672, GUI svn.r3494)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.813(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.8561(5)
_cell_length_b                   17.7577(3)
_cell_length_c                   11.3609(7)
_cell_measurement_reflns_used    8064
_cell_measurement_temperature    173.15
_cell_measurement_theta_max      28.08
_cell_measurement_theta_min      2.18
_cell_volume                     2085.15(17)
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution
'A short history of SHELX (Sheldrick, 2007)/Bruker'
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0221
_diffrn_reflns_av_unetI/netI     0.0157
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            20752
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.97
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.084
_exptl_absorpt_correction_T_max  0.9478
_exptl_absorpt_correction_T_min  0.6412
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, BRUKER 2003'
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       hexagonal
_exptl_crystal_F_000             860
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.701
_refine_diff_density_min         -0.360
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.159
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         3959
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0335
_refine_ls_R_factor_gt           0.0293
_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^)+(0.0525P)^2^+0.6527P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0796
_refine_ls_wR_factor_ref         0.0903
_reflns_number_gt                3637
_reflns_number_total             3959
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32008h.txt
_cod_data_source_block           rbl9_10
_cod_original_cell_volume        2085.15(16)
_cod_database_code               7020803