The photo-isomerization of the cyclononatetraenyl ligand and related rare earth complexes.
Pedussaut, Lucie; Mahieu, Nolwenn; Chartier, Camille; Rajeshkumar, Thayalan; Tricoire, Maxime; Douair, Iskander; Casaretto, Nicolas; Maron, Laurent; Danoun, Grégory; Nocton, Grégory; Chemical science 15 (2024) 19273–19282; doi:10.1039/d4sc04767b

data_1572893
_publ_section_title
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 The photo-isomerization of the cyclononatetraenyl ligand and related rare
 earth complexes.
;
_journal_issue                   46
_journal_name_full               'Chemical science'
_journal_page_first              19273
_journal_page_last               19282
_journal_paper_doi               10.1039/d4sc04767b
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C17 H17 Sm'
_chemical_formula_sum            'C17 H17 Sm'
_chemical_formula_weight         371.65
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-07-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2024-07-13 deposited with the CCDC.	2024-10-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.9982(8)
_cell_length_b                   12.8760(8)
_cell_length_c                   8.7824(6)
_cell_measurement_reflns_used    8481
_cell_measurement_temperature    150.0
_cell_measurement_theta_max      30.787
_cell_measurement_theta_min      2.874
_cell_volume                     1356.78(15)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150.15
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Kappa APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1536
_diffrn_reflns_av_unetI/netI     0.0421
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            107017
_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         35.631
_diffrn_reflns_theta_min         2.807
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.306
_exptl_absorpt_correction_T_max  0.7474
_exptl_absorpt_correction_T_min  0.6448
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1227 before and 0.0744 after correction. The Ratio of minimum to maximum transmission is 0.8627. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'light green'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    1.819
_exptl_crystal_description       block
_exptl_crystal_F_000             724
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.496
_refine_diff_density_min         -1.413
_refine_diff_density_rms         0.154
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         3242
_refine_ls_number_restraints     110
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0631
_refine_ls_R_factor_gt           0.0324
_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^)+(0.0190P)^2^+4.4221P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0679
_refine_ls_wR_factor_ref         0.0822
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2010
_reflns_number_total             3242
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc04767b3.cif
_cod_data_source_block           2-Sm-cis
_cod_depositor_comments
'Adding full bibliography for 1572887--1572904.cif.'
_cod_database_code               1572893
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.673
_shelx_estimated_absorpt_t_min   0.130
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Restrained distances
 C1A-C2A \\sim C2A-C3A \\sim C3A-C4A \\sim C4A-C5A \\sim C5A-C5A_$1
 with sigma of 0.02
 C1B-C2B \\sim C2B-C3B \\sim C3B-C4B \\sim C4B-C5B \\sim C5B-C5B_$1
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
C1A \\sim C2A \\sim C3A \\sim C4A \\sim C5A: within 2A with sigma of 0.004 and
sigma for terminal atoms of 0.008
C1B \\sim C2B \\sim C3B \\sim C4B \\sim C5B: within 2A with sigma of 0.004 and
sigma for terminal atoms of 0.008
C6A \\sim C7A \\sim C8A \\sim C9A: within 2A with sigma of 0.0004 and sigma for
terminal atoms of 0.0008
C6B \\sim C7B \\sim C8B \\sim C9B \\sim C9B \\sim C10B: within 2A with sigma of
0.0004 and sigma for terminal atoms of 0.0008
4. Others
 Sof(C2B)=Sof(H2B)=Sof(C3B)=Sof(H3B)=Sof(C4B)=Sof(H4B)=Sof(C5B)=Sof(H5B)=1-
 FVAR(1)
 Sof(C1B)=Sof(H1B)=0.5*(1-FVAR(2))
 Sof(C1A)=Sof(H1A)=0.5*FVAR(2)
 Sof(C2A)=Sof(H2A)=Sof(C3A)=Sof(H3A)=Sof(C4A)=Sof(H4A)=Sof(C5A)=Sof(H5A)=FVAR(1)
 Sof(C7B)=Sof(H7B)=Sof(C8B)=Sof(H8B)=Sof(C9B)=Sof(H9B)=1-FVAR(2)
 Sof(C6B)=Sof(H6B)=Sof(C10B)=Sof(H10B)=0.5*(1-FVAR(3))
 Sof(C6A)=Sof(H6A)=Sof(C7A)=Sof(H7A)=Sof(C8A)=Sof(H8A)=Sof(C9A)=Sof(H9A)=FVAR(2)
5.a Aromatic/amide H refined with riding coordinates:
 C1A(H1A), C2A(H2A), C3A(H3A), C4A(H4A), C5A(H5A), C1B(H1B), C2B(H2B),
 C3B(H3B), C4B(H4B), C5B(H5B), C6A(H6A), C7A(H7A), C8A(H8A), C9A(H9A), C6B(H6B),
  C7B(H7B), C8B(H8B), C9B(H9B), C10B(H10B)
;
_shelx_res_checksum              52682
_olex2_submission_special_instructions 'No special instructions were received'