Cyclooctatetraenide-based single-ion magnets featuring bulky cyclopentadienyl ligand
Korzyński, Maciej Damian; Bernhardt, Moritz; Romankov, Vladyslav; Dreiser, Jan; Matmon, Guy; Pointillart, Fabrice; Le Guennic, Boris; Cador, Olivier; Copéret, Christophe; Chemical Science  (2022) –; doi:10.1039/D2SC02560D

data_1567543
_publ_section_title
;
 Cyclooctatetraenide-based single-ion magnets featuring bulky
 cyclopentadienyl ligand
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC02560D
_journal_year                    2022
_chemical_formula_moiety         'C25 H37 Nd'
_chemical_formula_sum            'C25 H37 Nd'
_chemical_formula_weight         481.78
_chemical_properties_physical    Air-sensitive,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'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             2022-04-06
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-05-04 deposited with the CCDC.	2022-08-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.782(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.1901(5)
_cell_length_b                   21.8865(12)
_cell_length_c                   10.2204(5)
_cell_measurement_reflns_used    14594
_cell_measurement_temperature    100.00
_cell_measurement_theta_max      27.5690
_cell_measurement_theta_min      2.2090
_cell_volume                     2252.7(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS  (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.00
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 8.33
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       'fixed chi three-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0637
_diffrn_reflns_av_unetI/netI     0.0403
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            47977
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.877
_diffrn_reflns_theta_min         2.221
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.310
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.81407
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
'CrysAlisPro 1.171.39.23a (Rigaku Oxfort Diffraction, 2015) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm.'
_exptl_crystal_colour            'clear bluish green'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   bluish
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_description       block
_exptl_crystal_F_000             988
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Pentane'
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.156
_refine_diff_density_min         -0.918
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.118
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     376
_refine_ls_number_reflns         5342
_refine_ls_number_restraints     81
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0346
_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^)+(0.0188P)^2^+1.8183P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0586
_refine_ls_wR_factor_ref         0.0615
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4665
_reflns_number_total             5342
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc02560d2.cif
_cod_data_source_block           COTNdCpttt
_cod_database_code               1567543
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.893
_shelx_estimated_absorpt_t_min   0.802
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All H(H) groups, All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 C7-H7 \\sim C8-H8 \\sim C11-H11 \\sim C12-H12 \\sim C13-H13
 with sigma of 0.02
 C1-C2 \\sim C2-C3 \\sim C3-C4 \\sim C4-C5 \\sim C5-C1
 with sigma of 0.02
 C6-C7 \\sim C7-C8 \\sim C8-C9 \\sim C9-C10 \\sim C10-C11 \\sim C11-C12 \\sim
C12-C13 \\sim C13-C6
 with sigma of 0.02
3. Restrained planarity
 C1, C2, C3, C4, C5
 with sigma of 0.1
 C6, C7, C8, C9, C10, C11, C12, C13
 with sigma of 0.1
4. Rigid bond restraints
 C1, C2, C3, C4, C5
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 C6, C7, C8, C9, C10, C11, C12, C13
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
;
_shelx_res_checksum              69229
_olex2_exptl_crystal_mounting_method 'paratone oil'
_olex2_submission_special_instructions 'No special instructions were received'