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_1567544
_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 Er'
_chemical_formula_sum            'C25 H37 Er'
_chemical_formula_weight         504.80
_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     dual
_audit_creation_date             2022-03-23
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2022-05-04 deposited with the CCDC.	2022-08-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.328(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.1016(9)
_cell_length_b                   21.6348(19)
_cell_length_c                   10.1842(9)
_cell_measurement_reflns_used    9894
_cell_measurement_temperature    101.96
_cell_measurement_theta_max      32.948
_cell_measurement_theta_min      2.249
_cell_volume                     2196.3(3)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      101.96
_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 1.000
_diffrn_measurement_device       'fixed chi three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0389
_diffrn_reflns_av_unetI/netI     0.0232
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            41560
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.482
_diffrn_reflns_theta_min         1.883
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.827
_exptl_absorpt_correction_T_max  0.4364
_exptl_absorpt_correction_T_min  0.2890
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0725 before and 0.0514 after correction. The Ratio of minimum to maximum transmission is 0.6622. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            pink
_exptl_crystal_colour_primary    pink
_exptl_crystal_density_diffrn    1.527
_exptl_crystal_description       plate
_exptl_crystal_F_000             1020
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Pentane'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.342
_refine_diff_density_min         -0.367
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         5031
_refine_ls_number_restraints     48
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0190
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0186P)^2^+1.4730P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0429
_refine_ls_wR_factor_ref         0.0439
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4557
_reflns_number_total             5031
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc02560d2.cif
_cod_data_source_block           cotercpttt
_cod_database_code               1567544
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.701
_shelx_estimated_absorpt_t_min   0.515
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 C11-C12 \\sim C13-C6 \\sim C7-C8 \\sim C9-C10
 with sigma of 0.02
 C1-C2 \\sim C2-C3 \\sim C3-C4 \\sim C4-C5 \\sim C5-C1
 with sigma of 0.02
3. Restrained planarity
 C11, C12, C13, C6, C7, C8, C9
 with sigma of 0.1
 C1, C2, C3, C4, C5
 with sigma of 0.1
4. Rigid bond restraints
 C8, C9, C10, C11, C12, C13, C6, C7
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 C1, C2, C3, C4, C5
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
;
_shelx_res_checksum              92828
_olex2_submission_special_instructions 'No special instructions were received'