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_7129082
_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         'C25 H31 F4 I2 N2 O3 Sm'
_chemical_formula_sum            'C25 H31 F4 I2 N2 O3 Sm'
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_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
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_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2021-09-06
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Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
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_audit_update_record
;
2021-10-04 deposited with the CCDC.	2021-10-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_measurement_theta_min      2
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_computing_cell_refinement       'XDS (Kabsch, 1993)'
_computing_data_collection       'BluIce (McPhillips, 2002)'
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_computing_structure_solution    'SIR2004  (Burla et al.,  2007)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
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_diffrn_measurement_method       'Phi Scan'
_diffrn_radiation_monochromator  'Silicon Double Crystal'
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_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0405
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_diffrn_reflns_limit_k_min       -27
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_diffrn_reflns_number            33855
_diffrn_reflns_point_group_measured_fraction_full 0.971
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_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.028
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1692
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0367P)^2^+10.0272P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                4700
_reflns_number_total             4978
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
'Adding full bibliography for 7129070--7129084.cif.'
_cod_original_cell_volume        2907.9(10)
_cod_database_code               7129082
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_olex2_refinement_description
;
1. Others
 Fixed Uiso: H21A(0.031) H21B(0.031) H12(0.029) H18A(0.035) H18B(0.035)
 H16A(0.035) H16B(0.035) H14A(0.03) H14B(0.03) H17A(0.028) H17B(0.028)
 H11(0.031) H19A(0.046) H19B(0.046) H10(0.028) H15A(0.035) H15B(0.035)
 H20A(0.044) H20B(0.044) H22A(0.037) H22B(0.037) H3(0.034) H25A(0.03)
 H25B(0.03) H4(0.03) H2(0.035) H24A(0.046) H24B(0.046) H23A(0.052) H23B(0.052)
 Fixed X: H21A(0.356277) H21B(0.25631) H12(1.084779) H18A(0.314368)
 H18B(0.459633) H16A(0.347152) H16B(0.375843) H14A(0.722834) H14B(0.588236)
 H17A(0.377106) H17B(0.483915) H11(1.243901) H19A(0.243236) H19B(0.381404)
 H10(1.251834) H15A(0.611579) H15B(0.540498) H20A(0.248802) H20B(0.140784)
 H22A(0.513941) H22B(0.673627) H3(0.977643) H25A(0.749124) H25B(0.584709)
 H4(0.8032) H2(1.101356) H24A(0.622627) H24B(0.749936) H23A(0.457751)
 H23B(0.568639)
 Fixed Y: H21A(0.63173) H21B(0.622557) H12(0.664212) H18A(0.705845)
 H18B(0.737809) H16A(0.657143) H16B(0.597304) H14A(0.672011) H14B(0.711474)
 H17A(0.600706) H17B(0.558988) H11(0.589239) H19A(0.777921) H19B(0.772402)
 H10(0.517299) H15A(0.618056) H15B(0.679209) H20A(0.713103) H20B(0.701154)
 H22A(0.712476) H22B(0.720572) H3(0.568398) H25A(0.57876) H25B(0.567186)
 H4(0.511417) H2(0.632105) H24A(0.604815) H24B(0.643952) H23A(0.663978)
 H23B(0.709345)
 Fixed Z: H21A(0.891194) H21B(0.788745) H12(1.131983) H18A(0.647628)
 H18B(0.676161) H16A(0.438479) H16B(0.381862) H14A(0.495968) H14B(0.509873)
 H17A(0.582973) H17B(0.527909) H11(1.155929) H19A(0.755604) H19B(0.831264)
 H10(1.030563) H15A(0.367906) H15B(0.343676) H20A(0.92595) H20B(0.828745)
 H22A(0.949266) H22B(0.99042) H3(0.272227) H25A(1.011124) H25B(1.015909)
 H4(0.338421) H2(0.381126) H24A(1.178193) H24B(1.143067) H23A(1.095975)
 H23B(1.144884)
;
_shelx_res_checksum              4054
_shelx_hkl_checksum              38923
_olex2_submission_special_instructions 'No special instructions were received'