A simple one-pot route to stable formamidinatoiodidolanthanoid(III) complexes from lanthanoid metals.
Guo, Zhifang; Blair, Victoria L.; Deacon, Glen B.; Junk, Peter C.; Chemical communications (Cambridge, England) 57 (2021) 11513–11516; doi:10.1039/d1cc04080d

data_7129070
_publ_section_title
;
 A simple one-pot route to stable formamidinatoiodidolanthanoid(III)
 complexes from lanthanoid metals.
;
_journal_issue                   87
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              11513
_journal_page_last               11516
_journal_paper_doi               10.1039/d1cc04080d
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C34 H30 Er F8 I N4 O2'
_chemical_formula_sum            'C34 H30 Er F8 I N4 O2'
_chemical_formula_weight         972.78
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-07-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-05-11 deposited with the CCDC.	2021-10-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.344(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.9339(5)
_cell_length_b                   11.8086(3)
_cell_length_c                   18.6639(5)
_cell_measurement_reflns_used    3847
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.883
_cell_measurement_theta_min      2.627
_cell_volume                     3369.83(17)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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      123(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0321
_diffrn_reflns_av_unetI/netI     0.0299
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13071
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.475
_diffrn_reflns_theta_min         2.179
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.489
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6653
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/3 (Bruker,2014/3) was used for absorption correction. wR2(int) was 0.0525 before and 0.0396 after correction. The Ratio of minimum to maximum transmission is 0.8923. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.917
_exptl_crystal_description       block
_exptl_crystal_F_000             1884
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.470
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3847
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0273
_refine_ls_R_factor_gt           0.0205
_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^+2.4799P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0423
_refine_ls_wR_factor_ref         0.0445
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3355
_reflns_number_total             3847
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc04080d2.cif
_cod_data_source_block           c2c
_cod_depositor_comments
'Adding full bibliography for 7129070--7129084.cif.'
_cod_database_code               7129070
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.722
_shelx_estimated_absorpt_t_min   0.542
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C14(H14A,H14B), C16(H16A,H16B), C17(H17A,H17B), C15(H15A,H15B)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C2(H2), C3(H3), C4(H4), C10(H10), C11(H11), C12(H12)
;
_olex2_submission_special_instructions 'No special instructions were received'