Synthesis and reactivity of titanium ‘POCOP’ pincer complexes
Webster, Leah; Krämer, Tobias; Chadwick, F. Mark; Dalton Transactions  (2022) –; doi:10.1039/D2DT03291K

data_7711565
_publ_section_title
;
 Synthesis and reactivity of titanium &#x2018;POCOP&#x2019; pincer
 complexes
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT03291K
_journal_year                    2022
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H50 Cl1 O2 P2 Ti1'
_chemical_formula_sum            'C27 H50 Cl O2 P2 Ti'
_chemical_formula_weight         551.99
_chemical_melting_point          ?
_space_group_IT_number           114
_space_group_name_Hall           'P -4 2n'
_space_group_name_H-M_alt        'P -4 21 c'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2n'
_symmetry_space_group_name_H-M   'P -4 21 c'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     other
_audit_update_record
;
2022-10-19 deposited with the CCDC.	2022-10-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.1600(3)
_cell_length_b                   17.1600(3)
_cell_length_c                   21.1327(5)
_cell_measurement_reflns_used    4633
_cell_measurement_temperature    173
_cell_measurement_theta_max      72
_cell_measurement_theta_min      5
_cell_volume                     6222.9(2)
_computing_cell_refinement
; 
 CrysAlisPro (Rigaku Oxford Diffraction, 2017) 
;
_computing_data_collection       'SuperNova, (Oxford Diffraction, 2010)'
_computing_data_reduction
; 
 CrysAlisPro (Rigaku Oxford Diffraction, 2017) 
;
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'Superflip (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      173
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction SuperNova'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'focussing mirrors'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.036
_diffrn_reflns_av_unetI/netI     0.054
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            11746
_diffrn_reflns_theta_full        69.711
_diffrn_reflns_theta_max         73.380
_diffrn_reflns_theta_min         3.318
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.238
_exptl_absorpt_correction_T_max  0.43
_exptl_absorpt_correction_T_min  0.37
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 CrysAlisPro (Rigaku Oxford Diffraction, 2017) 
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.178
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         1.42
_refine_diff_density_min         -0.36
_refine_ls_abs_structure_details
; 
 Parsons, Flack & Wagner (2013), 
 0 Friedel Pairs 
;
_refine_ls_abs_structure_Flack   0.
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         3386
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0626
_refine_ls_R_factor_gt           0.0584
_refine_ls_shift/su_max          0.0003845
_refine_ls_shift/su_mean         0.0000206
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.10P)^2^ +10.48P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1585
_refine_ls_wR_factor_gt          0.1539
_refine_ls_wR_factor_ref         0.1585
_reflns_limit_h_max              15
_reflns_limit_h_min              0
_reflns_limit_k_max              21
_reflns_limit_k_min              0
_reflns_limit_l_max              25
_reflns_limit_l_min              0
_reflns_number_gt                3092
_reflns_number_total             3386
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.91
_oxford_diffrn_Wilson_scale      0.34
_oxford_refine_ls_r_factor_ref   0.0626
_oxford_refine_ls_scale          1.756(19)
_oxford_reflns_number_all        3386
_cod_data_source_file            d2dt03291k4.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'not measured' was changed
to '?' -- the value is undefined or not given.

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        6222.9(3)
_cod_original_sg_symbol_H-M      'P -4 21 c '
_cod_original_formula_sum        'C27 H50 Cl1 O2 P2 Ti1'
_cod_database_code               7711565
_oxford_refine_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_hooft_y                  0.
_oxford_bijvoet_difference       0.