Synthesis and mononuclear complexes of the bis-bidentate ligand 2,5-di(2-pyridyl)-1,3,4-thiadiazole (dptd): spin crossover in [Fe(II)(dptd)2(NCSe)2] and [Fe(II)(dptd)2(NCBH3)2]·H2O.
Klingele, Julia; Kaase, Dominic; Klingele, Marco H.; Lach, Jochen; Dalton transactions (Cambridge, England : 2003) 41 (2012) 1397–1406; doi:10.1039/c1dt11396h

data_7017754
_publ_section_title
;
 Synthesis and mononuclear complexes of the bis-bidentate ligand
 2,5-di(2-pyridyl)-1,3,4-thiadiazole (dptd): spin crossover in
 [Fe(II)(dptd)2(NCSe)2] and [Fe(II)(dptd)2(NCBH3)2]&#x00B7;H2O.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1397
_journal_page_last               1406
_journal_paper_doi               10.1039/c1dt11396h
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety
;
(Fe C36 H24 N12 S3), (B C4 N4)2, (C H4 O)3
;
_chemical_formula_sum            'C47 H36 B2 Fe N20 O3 S3'
_chemical_formula_weight         1102.61
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.9540(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0625(2)
_cell_length_b                   17.9112(3)
_cell_length_c                   24.7513(4)
_cell_measurement_reflns_used    3050
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.29
_cell_measurement_theta_min      2.16
_cell_volume                     5340.51(15)
_computing_data_collection       'Bruker APEX2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX2 CCD area detector'
_diffrn_measurement_method       'f\ and \w scans'
_diffrn_radiation_monochromator  'multilayer mirror optics'
_diffrn_radiation_source         'microfused sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0742
_diffrn_reflns_av_sigmaI/netI    0.0905
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            27818
_diffrn_reflns_theta_full        25.32
_diffrn_reflns_theta_max         25.32
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    0.461
_exptl_absorpt_correction_T_max  0.9863
_exptl_absorpt_correction_T_min  0.9094
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2264
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.663
_refine_diff_density_min         -0.528
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     737
_refine_ls_number_reflns         9708
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.1043
_refine_ls_R_factor_gt           0.0571
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0696P)^2^+0.7579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1277
_refine_ls_wR_factor_ref         0.1495
_reflns_number_gt                6189
_reflns_number_total             9708
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11396h.txt
_cod_data_source_block           jmk287_1
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7017754