Spin transitions in a series of [Fe(pybox)2]2+ complexes modulated by ligand structures, counter anions, and solvents
Zhu, Yuan-Yuan; Li, Hong-Qing; Ding, Zhong-Yu; Lü, Xiao-Jin; Zhao, Liang; Meng, Yin-Shan; Liu, Tao; Gao, Song; Inorganic Chemistry Frontiers 3 (2016) 1624–; doi:10.1039/C6QI00417B

data_4349569
_publ_section_title
;
 Spin transitions in a series of [Fe(pybox)2]2+ complexes modulated by
 ligand structures, counter anions, and solvents
;
_journal_issue                   12
_journal_name_full               'Inorganic Chemistry Frontiers'
_journal_page_first              1624
_journal_paper_doi               10.1039/C6QI00417B
_journal_volume                  3
_journal_year                    2016
_chemical_compound_source        no
_chemical_formula_moiety         'C30 H38 Fe N6 O4, 2(C24 H20 B)'
_chemical_formula_sum            'C78 H78 B2 Fe N6 O4'
_chemical_formula_weight         1240.93
_chemical_name_common            4-2
_chemical_name_systematic        4-2
_space_group_crystal_system      monoclinic
_space_group_IT_number           13
_space_group_name_Hall           '-P 2yc'
_space_group_name_H-M_alt        'P 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-01-11
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-03-16 deposited with the CCDC.
2016-10-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.6560(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.401(2)
_cell_length_b                   13.5170(13)
_cell_length_c                   24.582(2)
_cell_measurement_reflns_used    8576
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      52.044
_cell_measurement_theta_min      1.9
_cell_volume                     7122.2(11)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0465
_diffrn_reflns_av_unetI/netI     0.0509
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            53558
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         0.950
_exptl_absorpt_coefficient_mu    0.264
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6807
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0664 before and 0.0427 after correction.
The Ratio of minimum to maximum transmission is 0.9131.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_description       block
_exptl_crystal_F_000             2624
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.26
_platon_squeeze_details
;
The disordered solvent molecules cannot be modeled and were treated 
by SQUEEZE,PLATON.
There are total 88e per unit cell, which are accumulated which corresponds 
to 22e per formula(C78H78B2FeN6O4). The 22e might come from one 
ether molecule and are not included in the formula.
;
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     828
_refine_ls_number_reflns         13913
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0892
_refine_ls_R_factor_gt           0.0480
_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^)+(0.0624P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1146
_refine_ls_wR_factor_ref         0.1274
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8448
_reflns_number_total             13913
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6qi00417b2.cif
_cod_data_source_block           4-2
_cod_original_cell_volume        7122.2(12)
_cod_database_code               4349569
_olex2_refinement_description
;
1. 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
2.a Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C12(H12A,H12B), C19(H19A,H19B), C27(H27A,H27B)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C22(H22), C23(H23), C24(H24), C32(H32), C33(H33),
 C34(H34), C35(H35), C36(H36), C38(H38), C39(H39), C40(H40), C41(H41), C42(H42),
  C44(H44), C45(H45), C46(H46), C47(H47), C48(H48), C50(H50), C51(H51),
 C52(H52), C53(H53), C54(H54), C56(H56), C57(H57), C58(H58), C59(H59), C60(H60),
  C62(H62), C63(H63), C64(H64), C65(H65), C66(H66), C68(H68), C69(H69),
 C70(H70), C71(H71), C72(H72), C74(H74), C75(H75), C76(H76), C77(H77), C78(H78)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C2(H2A,H2B,H2C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C),
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C29(H29A,H29B,H29C), C30(H30A,H30B,
 H30C)
;
_shelx_res_checksum              96332
_shelx_hkl_checksum              13969
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'
_solvent_exptl_crystal_recrystallization_method acetonitrile/ether