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_1572897
_publ_section_title
;
 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 Dy'
_chemical_formula_sum            'C17 H17 Dy'
_chemical_formula_weight         383.80
_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             2023-04-18
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_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                   11.8081(12)
_cell_length_b                   13.0574(10)
_cell_length_c                   8.6690(9)
_cell_measurement_reflns_used    1386
_cell_measurement_temperature    150.02
_cell_measurement_theta_max      23.94
_cell_measurement_theta_min      2.92
_cell_volume                     1336.6(2)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_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    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      150.02
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0701
_diffrn_reflns_av_unetI/netI     0.0531
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            12046
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.570
_diffrn_reflns_theta_min         2.820
_diffrn_source_current           31.0
_diffrn_source_power             1.705
_diffrn_source_voltage           55.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.568
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.5423
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0746 before and 0.0620 after correction.
The Ratio of minimum to maximum transmission is 0.7267.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.907
_exptl_crystal_description       needle
_exptl_crystal_F_000             740
_exptl_crystal_size_max          0.64
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.516
_refine_diff_density_min         -1.682
_refine_diff_density_rms         0.192
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     85
_refine_ls_number_reflns         2315
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.135
_refine_ls_R_factor_all          0.0550
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0240P)^2^+1.6121P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0776
_refine_ls_wR_factor_ref         0.0844
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1779
_reflns_number_total             2315
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc04767b3.cif
_cod_data_source_block           2-Dy-trans
_cod_depositor_comments
'Adding full bibliography for 1572887--1572904.cif.'
_cod_database_code               1572897
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.731
_shelx_estimated_absorpt_t_min   0.125
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Uiso/Uaniso restraints and constraints
C5 \\sim C4 \\sim C3 \\sim C2 \\sim C1: within 2A with sigma of 0.01 and sigma
for terminal atoms of 0.008 within 2A
3.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C9(H9), C6(H6), C7(H7), C2(H2), C5(H5), C8(H8), C1(H1), C3(H3)
;
_shelx_res_checksum              61113
_olex2_submission_special_instructions 'No special instructions were received'