A novel bis-1,2,4-benzothiadiazine pincer ligand: synthesis, characterization and first row transition metal complexes.
Pringouri, Konstantina; Anwar, Muhammad U.; Mansour, Liz; Doupnik, Nathan; Beldjoudi, Yassine; Gavey, Emma L.; Pilkington, Melanie; Rawson, Jeremy M.; Dalton transactions (Cambridge, England : 2003) 47 (2018) 15725–15736; doi:10.1039/c8dt03346c

data_7047796
_publ_section_title
;
 A novel bis-1,2,4-benzothiadiazine pincer ligand: synthesis,
 characterization and first row transition metal complexes.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15725
_journal_page_last               15736
_journal_paper_doi               10.1039/c8dt03346c
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C19 H12 N4 S2'
_chemical_formula_sum            'C19 H12 N4 S2'
_chemical_formula_weight         360.45
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-07-17 deposited with the CCDC.
2018-10-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   6.0358(18)
_cell_length_c                   11.857(4)
_cell_measurement_reflns_used    1408
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.81
_cell_measurement_theta_min      3.44
_cell_volume                     1609.2(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX-II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0387
_diffrn_reflns_av_unetI/netI     0.0611
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6296
_diffrn_reflns_point_group_measured_fraction_full 0.861
_diffrn_reflns_point_group_measured_fraction_max 0.844
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.762
_diffrn_reflns_theta_min         3.436
_diffrn_source                   'fine-focus, sealed tube'
_exptl_absorpt_coefficient_mu    0.340
_exptl_absorpt_correction_T_max  0.9668
_exptl_absorpt_correction_T_min  0.9048
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.488
_exptl_crystal_description       needle
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_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details
;
 Flack x determined using 784 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.12(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3201
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0611
_refine_ls_R_factor_gt           0.0458
_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^)+(0.0498P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1096
_reflns_Friedel_coverage         0.617
_reflns_Friedel_fraction_full    0.709
_reflns_Friedel_fraction_max     0.676
_reflns_number_gt                2627
_reflns_number_total             3201
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt03346c2.cif
_cod_data_source_block           muabis
_cod_depositor_comments
'Adding full bibliography for 7047794--7047802.cif.'
_cod_original_cell_volume        1609.3(8)
_cod_database_code               7047796
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.905
_shelx_estimated_absorpt_t_max   0.967
_exptl_absorpt_special_details
;
sadabs 2012/1 Bruker AXS Madison WI USA
;
_shelx_res_checksum              14691