Lanthanum complexes stabilized by a pentadentate Schiff-base ligand: synthesis, characterization, and reactivity in statistical copolymerization of ε-caprolactone and l-lactide.
Shao, Jingjing; Zhou, Hairong; Wang, Yaorong; Luo, Yunjie; Yao, Yingming; Dalton transactions (Cambridge, England : 2003) 49 (2020) 5842–5850; doi:10.1039/d0dt00179a

data_7703983
_publ_section_title
;
 Lanthanum complexes stabilized by a pentadentate Schiff-base ligand:
 synthesis, characterization, and reactivity in statistical
 copolymerization of \e-caprolactone and l-lactide.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5842
_journal_page_last               5850
_journal_paper_doi               10.1039/d0dt00179a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C37 H58 La N3 O3, 2(C4 H8 O)'
_chemical_formula_sum            'C45 H74 La N3 O5'
_chemical_formula_weight         875.98
_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   mixed
_audit_block_doi                 10.5517/ccdc.csd.cc24d37x
_audit_creation_date             2019-12-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-01-15 deposited with the CCDC.	2020-04-06 downloaded from the CCDC.
;
_cell_angle_alpha                94.998(3)
_cell_angle_beta                 107.017(4)
_cell_angle_gamma                104.611(4)
_cell_formula_units_Z            2
_cell_length_a                   12.1234(6)
_cell_length_b                   13.8634(5)
_cell_length_c                   15.2486(6)
_cell_measurement_reflns_used    6727
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      73.8100
_cell_measurement_theta_min      3.9780
_cell_volume                     2335.25(19)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223.15
_diffrn_detector_area_resol_mean 10.4692
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0546
_diffrn_reflns_av_unetI/netI     0.0735
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.968
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16901
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.968
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.900
_diffrn_reflns_theta_min         3.078
_exptl_absorpt_coefficient_mu    7.402
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.63120
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         1.570
_refine_diff_density_min         -1.036
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         9158
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0528
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0878P)^2^+0.1675P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1416
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7984
_reflns_number_total             9158
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00179a2.cif
_cod_data_source_block           g130621a
_cod_depositor_comments
'Adding full bibliography for 7703981--7703985.cif.'
_cod_original_cell_volume        2335.24(19)
_cod_database_code               7703983
_shelx_shelxl_version_number     2016/4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 O4-C38 = O4-C41
 1.45 with sigma of 0.02
 C38-C39 = C39-C40 = C40-C41
 1.5 with sigma of 0.02
 H2-N2
 0.9 with sigma of 0.02
3. Rigid bond restraints
 C31
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 O4, C38, C39, C40, C41
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
4. Uiso/Uaniso restraints and constraints
C31: within 2A with sigma of 0.04 and sigma for terminal atoms of 0.08
O4 \\sim C38 \\sim C39 \\sim C40 \\sim C41: within 2A with sigma of 0.04 and
sigma for terminal atoms of 0.08
5.a Ternary CH refined with riding coordinates:
 C35(H35)
5.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C38(H38A,H38B), C39(H39A,
 H39B), C40(H40A,H40B), C41(H41A,H41B), C0AA(H0AA,H0AB), C3AA(H3AA,H3AB),
 C4AA(H4AA,H4AB), C2AA(H2AA,H2AB)
5.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C9(H9), C11(H11), C22(H22), C24(H24), C26(H26)
5.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C28(H28A,H28B,
 H28C), C29(H29A,H29B,H29C), C30(H30A,H30B,H30C), C36(H36A,H36B,H36C), C37(H37A,
 H37B,H37C), C1AA(H1AA,H1AB,H1AC), C5AA(H5AA,H5AB,H5AC), C6AA(H6AA,H6AB,H6AC),
 C8AA(H8AA,H8AB,H8AC), C7AA(H7AA,H7AB,H7AC), C9AA(H9AA,H9AB,H9AC)
;
_olex2_submission_special_instructions 'No special instructions were received'