Metal-to-metal communication during the spin state transition of a [2 × 2] Fe(ii) metallogrid at equilibrium and out-of-equilibrium conditions
Velazquez-Garcia, Jose de Jesus; Basuroy, Krishnayan; Storozhuk, Darina; Wong, Joanne; Demeshko, Serhiy; Meyer, Franc; Henning, Robert; Techert, Simone; Dalton Transactions  (2022) –; doi:10.1039/D1DT04255F

data_7709891
_publ_section_title
;
 Metal-to-metal communication during the spin state transition of a [2
 \\times 2] Fe(ii) metallogrid at equilibrium and out-of-equilibrium
 conditions
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT04255F
_journal_year                    2022
_chemical_formula_moiety         'C95 H63 Fe3 N21, 4(B F4), 4(C2 H3 N)'
_chemical_formula_sum            'C103 H75 B4 F16 Fe2.92 N25'
_chemical_formula_weight         2173.20
_chemical_name_common
'[Fe3(3,5-Bis{6(2,2'-dipyridyl)}H-pyrazole)2(3,5-Bis{6(2,2'-dipyridyl)}pyrazole)2](BF4)4(C2NH3)'
_chemical_name_systematic
'[Fe3(3,5-Bis{6(2,2'-dipyridyl)}H-pyrazole)2(3,5-Bis{6(2,2'-dipyridyl)}pyrazole)2](BF4)4(C2NH3)'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2019-07-08
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-07-21 deposited with the CCDC.	2022-03-22 downloaded from the CCDC.
;
_cell_angle_alpha                91.319(2)
_cell_angle_beta                 96.170(2)
_cell_angle_gamma                107.594(2)
_cell_formula_units_Z            2
_cell_length_a                   14.0546(4)
_cell_length_b                   14.5151(4)
_cell_length_c                   24.3279(6)
_cell_measurement_reflns_used    8017
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      23.408
_cell_measurement_theta_min      1.473
_cell_volume                     4695.4(2)
_computing_cell_refinement       Precognition
_computing_data_collection       'Laue collect'
_computing_data_reduction        Epinorm
_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    ShelX
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.915
_diffrn_measured_fraction_theta_max 0.865
_diffrn_measurement_device_type
'Standard Huber 515.2 kappa model (APS 14 ID Beamline)'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.830
_diffrn_reflns_av_R_equivalents  0.3324
_diffrn_reflns_av_unetI/netI     0.5191
_diffrn_reflns_Laue_measured_fraction_full 0.915
_diffrn_reflns_Laue_measured_fraction_max 0.865
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            180319
_diffrn_reflns_point_group_measured_fraction_full 0.915
_diffrn_reflns_point_group_measured_fraction_max 0.865
_diffrn_reflns_theta_full        29.868
_diffrn_reflns_theta_max         30.462
_diffrn_reflns_theta_min         1.879
_diffrn_source                   'undulator radiation'
_exptl_absorpt_coefficient_mu    0.825
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            black
_exptl_crystal_colour_primary    black
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2216
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.49
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.406
_refine_diff_density_min         -0.750
_refine_diff_density_rms         0.187
_refine_ls_extinction_coef       0.0219(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   0.957
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1365
_refine_ls_number_reflns         17965
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.957
_refine_ls_R_factor_all          0.2751
_refine_ls_R_factor_gt           0.0960
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1613P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2303
_refine_ls_wR_factor_ref         0.2607
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8925
_reflns_number_total             17965
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt04255f3.cif
_cod_data_source_block           TR_2017_Fe3_390nm_1_5mj_off
_cod_database_code               7709891
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.802
_shelx_estimated_absorpt_t_min   0.683
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Fixed Sof: Fe03(0.92)
3.a Aromatic/amide H refined with riding coordinates:
 N00T(H00T), C016(H016), C019(H019), C01I(H01I), C01N(H01N), C01O(H01O),
 C01P(H01P), C01R(H01R), C01U(H01U), C01V(H01V), C01Z(H01Z), C020(H020),
 C022(H022), C024(H024), C025(H025), C027(H027), C02A(H02A), C02B(H02B),
 C02C(H02C), C02D(H02D), C02G(H02G), C02H(H02H), C02I(H02I), C02J(H02J),
 C02N(H02N), C02O(H02O), C02P(H02P), C02S(H02S), C02T(H02T), C02U(H02U),
 C02W(H02W), C02X(H02X), C02Y(H02Y), C02Z(H02Z), C030(H030), C031(H031),
 C033(H033), C034(H034), C035(H035), C036(H036), C037(H037), C039(H039),
 C03A(H03A), C03B(H03B), C03C(H03C), C03D(H03D), C03E(H03E), C03F(H03F),
 C03G(H03G), C03I(H03I), C03J(H03J), C03K(H03K), C03L(H03L), C03M(H03M),
 C03O(H03O), C03P(H03P), C03Q(H03Q), C03R(H03R), C03S(H03S), C03T(H03T),
 C03U(H03U), C03W(H03W), C03X(H03X)
3.b Idealised Me refined as rotating group:
 C03H(H03H,H03N,H03V), C040(H04A,H04B,H04C), C044(H04D,H04E,H04F), C046(H04G,
 H04H,H04I)
;
_shelx_res_checksum              80170
_olex2_submission_special_instructions 'No special instructions were received'