Bi-stable spin-crossover in charge-neutral [Fe(R-ptp)<sub>2</sub>] (ptp = 2-(1H-pyrazol-1-yl)-6-(1H-tetrazol-5-yl)pyridine) complexes.
Senthil Kumar, Kuppusamy; Vela, Sergi; Heinrich, Benoît; Suryadevara, Nithin; Karmazin, Lydia; Bailly, Corinne; Ruben, Mario; Dalton transactions (Cambridge, England : 2003) 49 (2020) 1022–1031; doi:10.1039/c9dt04411f

data_7703091
_publ_section_title
;
 Bi-stable spin-crossover in charge-neutral [Fe(R-ptp)<sub>2</sub>] (ptp =
 2-(1H-pyrazol-1-yl)-6-(1H-tetrazol-5-yl)pyridine) complexes.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1022
_journal_page_last               1031
_journal_paper_doi               10.1039/c9dt04411f
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C22 H16 N14 O4 Zn, C H4 O'
_chemical_formula_sum            'C23 H20 N14 O5 Zn'
_chemical_formula_weight         637.90
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2019-10-04 deposited with the CCDC.	2019-12-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.9722(8)
_cell_length_b                   22.0874(18)
_cell_length_c                   22.1996(18)
_cell_measurement_reflns_used    9910
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.90
_cell_measurement_theta_min      2.27
_cell_volume                     5380.0(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0433
_diffrn_reflns_av_unetI/netI     0.0220
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            63593
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.951
_diffrn_reflns_theta_min         1.835
_diffrn_source                   'fine focus sealed tube'
_exptl_absorpt_coefficient_mu    0.978
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6796
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.575
_exptl_crystal_description       prism
_exptl_crystal_F_000             2608
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.440
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     392
_refine_ls_number_reflns         6452
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0334
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0339P)^2^+4.5918P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0752
_refine_ls_wR_factor_ref         0.0848
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5037
_reflns_number_total             6452
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt04411f2.cif
_cod_data_source_block           ldskk150929
_cod_depositor_comments
'Adding full bibliography for 7703089--7703091.cif.'
_cod_database_code               7703091
_shelx_estimated_absorpt_t_min   0.641
_shelx_estimated_absorpt_t_max   0.892
_shelxl_version_number           2013-4
_shelx_res_checksum              97278