Tri(pyridylmethyl)phosphine: The Elusive Congener of TPA Shows Surprisingly Different Coordination Behavior
Christopher J. Whiteoak; James D. Nobbs; Evgeny Kiryushchenkov; Sandro Pagano; Andrew J.P. White; George J.P. Britovsek; Inorganic Chemistry 52 (2013) 7000–7009; doi:10.1021/ic4005196

data_4335182
_publ_section_title
;
 Tri(pyridylmethyl)phosphine: The Elusive Congener of TPA Shows
 Surprisingly Different Coordination Behavior
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7000
_journal_page_last               7009
_journal_paper_doi               10.1021/ic4005196
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C18 H18 Cl3 Cr N3 P'
_chemical_formula_sum            'C18 H18 Cl3 Cr N3 P'
_chemical_formula_weight         465.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.6450(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.07264(15)
_cell_length_b                   9.89870(11)
_cell_length_c                   17.5667(2)
_cell_measurement_reflns_used    13728
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.4361
_cell_measurement_theta_min      2.5776
_cell_volume                     2031.08(4)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd'
_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      173(2)
_diffrn_detector_area_resol_mean 15.9832
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.929
_diffrn_measurement_device_type  'OD Xcalibur 3'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) x-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0287
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            25164
_diffrn_reflns_theta_full        31.50
_diffrn_reflns_theta_max         32.51
_diffrn_reflns_theta_min         2.77
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.044
_exptl_absorpt_correction_T_max  0.896
_exptl_absorpt_correction_T_min  0.741
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET) 
(compiled May  6 2009,17:20:42) 
Analytical numeric absorption correction using a multifaceted crystal 
model based on expressions derived by R.C. Clark & J.S. Reid. 
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) 
;
_exptl_crystal_colour            'Dark blue'
_exptl_crystal_density_diffrn    1.523
_exptl_crystal_description       blocks
_exptl_crystal_F_000             948
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.412
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         6834
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0283
_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^)+(0.0393P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0747
_refine_ls_wR_factor_ref         0.0765
_reflns_number_gt                5511
_reflns_number_total             6834
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic4005196_si_002_1.cif
_cod_data_source_block           '[CrCl3(TPP)]'
_cod_database_code               4335182