Cyclopentadienyl lanthanide borohydrides derived from the unsubstituted cyclopentadienyl ligand. Unprecedented structural diversity and ε-caprolactone polymerization
Bardonov, Daniil A.; Komarov, Pavel D.; Sadrtdinova, Guzelia I.; Besprozvannyh, Viktoria K.; Lyssenko, Konstantin A.; Gudovannyy, Alexei O.; Nifant'ev, Ilya E.; Minyaev, Mikhail E.; Roitershtein, Dmitrii M.; Inorganica Chimica Acta 529 (2022) 120638–; doi:10.1016/j.ica.2021.120638

data_1566002
_publ_section_title
;
 Cyclopentadienyl lanthanide borohydrides derived from the unsubstituted
 cyclopentadienyl ligand. Unprecedented structural diversity and
 \e-caprolactone polymerization
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              120638
_journal_paper_doi               10.1016/j.ica.2021.120638
_journal_volume                  529
_journal_year                    2022
_chemical_formula_moiety
'C17 H29 Cl O6 Tb, C10 H10 1.6(B H4) Cl0.40 Tb'
_chemical_formula_sum            'C27 H45.39 B1.6 Cl1.4 O6 Tb2'
_chemical_formula_weight         850.85
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 95.0790(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.2540(4)
_cell_length_b                   11.7537(4)
_cell_length_c                   24.0869(9)
_cell_measurement_reflns_used    899
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.343
_cell_measurement_theta_min      2.45
_cell_volume                     3173.6(2)
_computing_cell_refinement
;
SAINT (Bruker, 2019)
;
_computing_data_collection
;
APEX3 (Bruker, 2019)
;
_computing_data_reduction
;
SAINT (Bruker, 2019), PLATON (Spek, 2020)
;
_computing_molecular_graphics
;
Mercury (Macrae <i>et al.</i>, 2020)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT2014 (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Quest with Photon III detector'
_diffrn_measurement_method       '\f and \w shutterless scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0733
_diffrn_reflns_av_unetI/netI     0.0746
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            34484
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.513
_diffrn_reflns_theta_min         1.698
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    4.575
_exptl_absorpt_correction_T_max  0.6478
_exptl_absorpt_correction_T_min  0.3807
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.781
_exptl_crystal_description       block
_exptl_crystal_F_000             1669
_exptl_crystal_size_max          0.361
_exptl_crystal_size_mid          0.247
_exptl_crystal_size_min          0.083
_refine_diff_density_max         1.231
_refine_diff_density_min         -1.353
_refine_diff_density_rms         0.157
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.978
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     377
_refine_ls_number_reflns         9663
_refine_ls_number_restraints     182
_refine_ls_restrained_S_all      0.971
_refine_ls_R_factor_all          0.1002
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0285P)^2^+1.0040P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0767
_refine_ls_wR_factor_ref         0.0939
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                5159
_reflns_number_total             9663
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ICA-2022-529-120638.cif
_cod_data_source_block           7Tb
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C27 H45.39 B1.60 Cl1.40 O6 Tb2'
_cod_database_code               1566002
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.289
_shelx_estimated_absorpt_t_max   0.703