Phosphasalen group IV metal complexes: synthesis, characterization and ring opening polymerization of lactide.
Normand, Adrien T.; Malacea-Kabbara, Raluca; Lapenta, Rosita; Dajnak, Aymeric; Richard, Philippe; Cattey, Hélène; Bolley, Anaëlle; Grassi, Alfonso; Milione, Stefano; Auffrant, Audrey; Dagorne, Samuel; Le Gendre, Pierre; Dalton transactions (Cambridge, England : 2003) 49 (2020) 6989–7004; doi:10.1039/d0dt00972e

data_7704352
_publ_section_title
;
 Phosphasalen group IV metal complexes: synthesis, characterization and
 ring opening polymerization of lactide.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6989
_journal_page_last               7004
_journal_paper_doi               10.1039/d0dt00972e
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C60 H78 N2 O4 P2 Zr, 3(C H2 Cl2)'
_chemical_formula_sum            'C63 H84 Cl6 N2 O4 P2 Zr'
_chemical_formula_weight         1299.18
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-11-05
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-01-16 deposited with the CCDC.	2020-05-11 downloaded from the CCDC.
;
_cell_angle_alpha                97.5780(16)
_cell_angle_beta                 94.7670(15)
_cell_angle_gamma                106.9900(15)
_cell_formula_units_Z            2
_cell_length_a                   13.3263(4)
_cell_length_b                   15.6278(5)
_cell_length_c                   16.7838(6)
_cell_measurement_reflns_used    9949
_cell_measurement_temperature    115
_cell_measurement_theta_max      27.509
_cell_measurement_theta_min      2.428
_cell_volume                     3286.27(19)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      115
_diffrn_detector                 'CCD Plate'
_diffrn_detector_area_resol_mean '512 x 512'
_diffrn_detector_type            APEX2
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Nonius Kappa Apex II'
_diffrn_measurement_method       '\f and \w scans''
_diffrn_radiation_collimation    '0.6 mm'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0393
_diffrn_reflns_av_unetI/netI     0.0310
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            93582
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.601
_diffrn_reflns_theta_min         2.624
_diffrn_source                   'X-ray tube'
_diffrn_source_target            Mo
_diffrn_source_type              'Siemens KFF Mo 2K-180'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.505
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6933
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0528 before and 0.0460 after correction. The Ratio of minimum to maximum transmission is 0.9299. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_description       prism
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.855
_refine_diff_density_min         -1.275
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     741
_refine_ls_number_reflns         15091
_refine_ls_number_restraints     54
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+6.5878P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1208
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12199
_reflns_number_total             15091
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00972e2.cif
_cod_data_source_block           3a
_cod_depositor_comments
'Adding full bibliography for 7704346--7704354.cif.'
_cod_database_code               7704352
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_max   0.863
_shelx_estimated_absorpt_t_min   0.797
_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. Uiso/Uaniso restraints and constraints
Uanis(C13) = Uanis(C13B)
3. Rigid body (RIGU) restrains
 C13B, C14B, C15B, C16B
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 C13, C14, C15, C16
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 C40, C41, C42, C39
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4. Others
 Sof(C13B)=Sof(C14B)=Sof(H14D)=Sof(H14E)=Sof(H14F)=Sof(C15B)=Sof(H15D)=
 Sof(H15E)=Sof(H15F)=Sof(C16B)=Sof(H16D)=Sof(H16E)=Sof(H16F)=1-FVAR(1)
 Sof(C13)=Sof(C14)=Sof(H14A)=Sof(H14B)=Sof(H14C)=Sof(C15)=Sof(H15A)=Sof(H15B)=
 Sof(H15C)=Sof(C16)=Sof(H16A)=Sof(H16B)=Sof(H16C)=FVAR(1)
5.a Free rotating group:
 C13(C14,C15,C16), C13B(C14B,C15B,C16B)
5.b Ternary CH refined with riding coordinates:
 C55(H55), C58(H58)
5.c Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C61(H61A,H61B), C62(H62A,H62B), C63(H63A,H63B)
5.d Aromatic/amide H refined with riding coordinates:
 C5(H5), C7(H7), C18(H18), C19(H19), C20(H20), C21(H21), C22(H22), C24(H24),
 C25(H25), C26(H26), C27(H27), C28(H28), C32(H32), C34(H34), C44(H44), C45(H45),
  C46(H46), C47(H47), C48(H48), C50(H50), C51(H51), C52(H52), C53(H53), C54(H54)
5.e Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C14(H14A,H14B,
 H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C14B(H14D,H14E,H14F),
 C15B(H15D,H15E,H15F), C16B(H16D,H16E,H16F), C36(H36A,H36B,H36C), C37(H37A,H37B,
 H37C), C38(H38A,H38B,H38C), C40(H40A,H40B,H40C), C41(H41A,H41B,H41C), C42(H42A,
 H42B,H42C), C56(H56A,H56B,H56C), C57(H57A,H57B,H57C), C59(H59A,H59B,H59C),
 C60(H60A,H60B,H60C)
;
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a mylar loop with oil'
_olex2_submission_special_instructions 'No special instructions were received'