δ-Bonding modulates the electronic structure of formally divalent nd<sup>1</sup> rare earth arene complexes.
MacKenzie, Ross E.; Hajdu, Tomáš; Seed, John A.; Whitehead, George F. S.; Adams, Ralph W.; Chilton, Nicholas F.; Collison, David; McInnes, Eric J. L.; Goodwin, Conrad A. P.; Chemical science 15 (2024) 15160–15169; doi:10.1039/d4sc03005b

data_1572270
_publ_section_title
;
 &#x3b4;-Bonding modulates the electronic structure of formally divalent
 nd<sup>1</sup> rare earth arene complexes.
;
_journal_issue                   37
_journal_name_full               'Chemical science'
_journal_page_first              15160
_journal_page_last               15169
_journal_paper_doi               10.1039/d4sc03005b
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C72 H100 I La N2, C6 H14'
_chemical_formula_sum            'C78 H114 I La N2'
_chemical_formula_weight         1345.52
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2023-09-06
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2023-09-15 deposited with the CCDC.	2024-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.0977(13)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.2996(2)
_cell_length_b                   15.6187(2)
_cell_length_c                   32.5420(5)
_cell_measurement_reflns_used    44935
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      32.5790
_cell_measurement_theta_min      2.8160
_cell_volume                     7212.27(18)
_computing_cell_refinement       'CrysAlisPro 1.171.43.88a (Rigaku OD, 2023)'
_computing_data_collection
'CrysAlisPro system (CCD 42.57a 64-bit (release 20-05-2022))'
_computing_data_reduction        'CrysAlisPro 1.171.43.88a (Rigaku OD, 2023)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.841
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w     47.00  77.00   0.50   20.00    --    8.91-158.00 -78.00   60
  2  \w    -20.00  22.00   0.50   20.00    --   -8.91 -99.00-120.00   84
  3  \w     -3.00  26.00   0.50   20.00    --    8.91  37.00  60.00   58
  4  \w    -20.00  38.00   0.50   20.00    --    8.91 -99.00 -60.00  116
  5  \w    -23.00  42.00   0.50   20.00    --    8.91 -99.00 150.00  130
  6  \w    -17.00  40.00   0.50   20.00    --    8.91 -99.00-180.00  114
  7  \w     54.00  79.00   0.50   20.00    --    8.91  37.00  60.00   50
  8  \w    -23.00  26.00   0.50   20.00    --    8.91 -99.00 -90.00   98
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0041548000
_diffrn_orient_matrix_UB_12      -0.0400062000
_diffrn_orient_matrix_UB_13      0.0103726000
_diffrn_orient_matrix_UB_21      0.0030366000
_diffrn_orient_matrix_UB_22      -0.0209948000
_diffrn_orient_matrix_UB_23      -0.0191264000
_diffrn_orient_matrix_UB_31      0.0497072000
_diffrn_orient_matrix_UB_32      0.0046333000
_diffrn_orient_matrix_UB_33      0.0030269000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0376
_diffrn_reflns_av_unetI/netI     0.0373
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.841
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       47
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            89261
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.841
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.414
_diffrn_reflns_theta_min         2.214
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.061
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.88a (Rigaku Oxford Diffraction, 2023)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_description       block
_exptl_crystal_F_000             2824
_exptl_crystal_size_max          0.165
_exptl_crystal_size_mid          0.123
_exptl_crystal_size_min          0.099
_refine_diff_density_max         0.682
_refine_diff_density_min         -0.580
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     771
_refine_ls_number_reflns         21805
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0310P)^2^+2.7375P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0670
_refine_ls_wR_factor_ref         0.0705
_reflns_Friedel_coverage         0.000
_reflns_number_gt                17901
_reflns_number_total             21805
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc03005b2.cif
_cod_data_source_block           ccapg116
_cod_depositor_comments
'Adding full bibliography for 1572261--1572275.cif.'
_cod_original_cell_volume        7212.30(18)
_cod_database_code               1572270
_shelx_shelxl_version_number     2019/3
_chemical_oxdiff_formula         'C11 H10 N O'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 N1-H1 \\sim N2-H2
 with sigma of 0.02
3.a Ternary CH refined with riding coordinates:
 C13(H13), C16(H16), C19(H19), C28(H28), C31(H31), C34(H34), C49(H49),
 C52(H52), C55(H55), C64(H64), C67(H67), C70(H70)
3.b Secondary CH2 refined with riding coordinates:
 C73(H73A,H73B), C74(H74A,H74B), C75(H75A,H75B), C76(H76A,H76B)
3.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C9(H9), C11(H11), C24(H24), C26(H26), C39(H39),
 C40(H40), C41(H41), C45(H45), C47(H47), C60(H60), C62(H62)
3.d Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C), C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C29(H29A,H29B,H29C), C30(H30A,
 H30B,H30C), C32(H32A,H32B,H32C), C33(H33A,H33B,H33C), C35(H35A,H35B,H35C),
 C36(H36A,H36B,H36C), C50(H50A,H50B,H50C), C51(H51A,H51B,H51C), C53(H53A,H53B,
 H53C), C54(H54A,H54B,H54C), C56(H56A,H56B,H56C), C57(H57A,H57B,H57C), C65(H65A,
 H65B,H65C), C66(H66A,H66B,H66C), C68(H68A,H68B,H68C), C69(H69A,H69B,H69C),
 C71(H71A,H71B,H71C), C78(H78A,H78B,H78C), C72(H72A,H72B,H72C), C77(H77A,H77B,
 H77C)
;
_shelx_res_checksum              46623
_shelx_hkl_checksum              66449
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.183
_oxdiff_exptl_absorpt_empirical_full_min 0.899