Unprecedented trinuclear FeII triazole-based complex exhibiting a concerted and complete sharp spin transition above room temperature
Pittala, Narsimhulu; Thétiot, Franck; Charles, Catherine; Triki, Smail; Boukheddaden, Kamel; Chastanet, Guillaume; Marchivie, Mathieu; Chem. Commun.  (2017) –; doi:10.1039/C7CC04112H

data_7120367
_publ_section_title
;
 Unprecedented trinuclear FeII triazole-based complex exhibiting a
 concerted and complete sharp spin transition above room temperature
;
_journal_name_full               'Chem. Commun.'
_journal_paper_doi               10.1039/C7CC04112H
_journal_year                    2017
_chemical_formula_moiety         'C108 H84 Fe3 N42 S6'
_chemical_formula_sum            'C108 H84 Fe3 N42 S6'
_chemical_formula_weight         2330.08
_chemical_name_systematic        NP53E3
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3'
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2017-06-28
_audit_creation_method
;
Olex2 1.2
(compiled Mar 28 2017 19:26:29 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2017-06-28 deposited with the CCDC.
2017-06-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   25.3984(13)
_cell_length_b                   25.3984(13)
_cell_length_c                   14.7341(13)
_cell_measurement_temperature    250
_cell_volume                     8231.3(9)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      250.0
_diffrn_detector                 'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker Kappa CCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0731
_diffrn_reflns_av_unetI/netI     0.0455
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            102008
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.497
_diffrn_reflns_theta_min         3.208
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_target            Mo
_diffrn_source_type              'sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.575
_exptl_absorpt_correction_T_max  0.7435
_exptl_absorpt_correction_T_min  0.7067
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0661 before and 0.0589 after correction.
The Ratio of minimum to maximum transmission is 0.9505.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            pink
_exptl_crystal_colour_primary    pink
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_description       needle
_exptl_crystal_F_000             3600
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.406
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     242
_refine_ls_number_reflns         4188
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0455
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0536P)^2^+1.8547P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0821
_refine_ls_wR_factor_ref         0.0853
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3574
_reflns_number_total             4188
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cc04112h2.cif
_cod_data_source_block           tbn-tcnset-250k
_cod_original_cell_volume        8231.3(11)
_cod_database_code               7120367
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.1766(8)
 0.8234(8)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3.a Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C17(H17A,H17B)
3.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C5(H5), C6(H6), C7(H7), C8(H8), C9(H9)
3.c Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C)
;
_olex2_submission_original_sample_id NP53E3
_olex2_submission_special_instructions 'No special instructions were received'