Diamidophosphines with six-membered chelates and their coordination chemistry with group 4 metals: development of a trimethylene-methane-tethered [PN2]-type "molecular claw".
Batke, S.; Kothe, T.; Haas, M.; Wadepohl, H.; Ballmann, J.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 3528–3540; doi:10.1039/c5dt04911c

data_7038126
_publ_section_title
;
 Diamidophosphines with six-membered chelates and their coordination
 chemistry with group 4 metals: development of a
 trimethylene-methane-tethered [PN2]-type &quot;molecular claw&quot;.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3528
_journal_page_last               3540
_journal_paper_doi               10.1039/c5dt04911c
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C26 H35 Hf I2 N2 P Si2'
_chemical_formula_sum            'C26 H35 Hf I2 N2 P Si2'
_chemical_formula_weight         895.00
_chemical_properties_physical    moisture-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_block_code                ba_sb15
_audit_creation_date             2015-12-03
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2015-12-07 deposited with the CCDC.
2016-01-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.102(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.107(4)
_cell_length_b                   19.914(8)
_cell_length_c                   14.621(6)
_cell_measurement_reflns_used    7945
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.22
_cell_measurement_theta_min      2.34
_cell_volume                     3162(2)
_computing_cell_refinement
;
SAINT (see _computing_data_reduction). Includes estimated systematic errors
 of the unit cell constants from Monte Carlo simulations.
;
_computing_data_collection       'SMART-5.631 (Bruker AXS, 2003)'
_computing_data_reduction
'SAINT V8.34A (Bruker AXS, 1997-2013),SADABS-2012_1 (Sheldrick and Bruker AXS, 1997-2014)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material
'encif (Wadepohl, 2009-15); encifer 1.5 (CCDC, 2014)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SUPERFLIP (Palatinus, 2007-2009)'
_diffrn_ambient_environment      'perfluoro polyether oil / N~2~'
_diffrn_ambient_temperature      100(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.19
_diffrn_detector_type            CCD-PXL-KAF2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker AXS Smart 1000'
_diffrn_measurement_method       '\f- and \w-scans'
_diffrn_measurement_specimen_support 'polyimid foil'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0324
_diffrn_reflns_av_unetI/netI     0.0184
_diffrn_reflns_laue_measured_fraction_full 1.000
_diffrn_reflns_laue_measured_fraction_max 0.953
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            80926
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.953
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.473
_diffrn_reflns_theta_min         2.045
_diffrn_source                   'sealed X-Ray tube (Mo)'
_diffrn_source_type              'fine focus tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.395
_exptl_absorpt_correction_T_max  0.6179
_exptl_absorpt_correction_T_min  0.5315
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements (Blessing 1995)
SADABS (see _computing_data_reduction)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.880
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1704
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.115
_refine_diff_density_min         -0.710
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         10886
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0204
_refine_ls_R_factor_gt           0.0173
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0183P)^2^+2.2785P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0394
_refine_ls_wR_factor_ref         0.0405
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10080
_reflns_number_total             10886
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt04911c2.cif
_cod_data_source_block           ba_sb15
_cod_depositor_comments
'Adding full bibliography for 7038121--7038129.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7038126
_audit_block_refno               2080
_audit_block_usercomment         sb-mh41
_shelx_estimated_absorpt_t_max   0.614
_shelx_estimated_absorpt_t_min   0.614
_shelxl_version_number           2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C8(H8A,H8B)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C7(H7), C11(H11), C12(H12), C13(H13), C14(H14),
 C16(H16), C17(H17), C18(H18), C19(H19), C20(H20)
2.c Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,
 H24C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C)
;
_shelx_res_checksum              53756
_olex2_submission_special_instructions 'No special instructions were received'