Substituent effects in pyridyl-functionalized pyrylium salts, pyridines and λ<sup>3</sup>,σ<sup>2</sup>-phosphinines: a fundamental and systematic study.
Loibl, Antonia; Oschmann, Wiebke; Vogler, Maria; Pidko, Evgeny A.; Weber, Manuela; Wiecko, Jelena; Müller, Christian; Dalton transactions (Cambridge, England : 2003) 47 (2018) 9355–9366; doi:10.1039/c8dt01441h

data_7046649
_publ_section_title
;
 Substituent effects in pyridyl-functionalized pyrylium salts, pyridines
 and \l<sup>3</sup>,\s<sup>2</sup>-phosphinines: a fundamental and
 systematic study.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9355
_journal_page_last               9366
_journal_paper_doi               10.1039/c8dt01441h
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C26 H15 F N2 O4 W, 1/2 (NCCH3)'
_chemical_formula_sum            'C27 H16.5 F N2.5 O4 W'
_chemical_formula_weight         642.78
_space_group_IT_number           92
_space_group_name_Hall           'P 4abw 2nw'
_space_group_name_H-M_alt        'P 41 21 2'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-04-03 deposited with the CCDC.
2018-06-07 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.8880(10)
_cell_length_b                   11.8880(10)
_cell_length_c                   32.757(5)
_cell_measurement_reflns_used    1010
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      30.495
_cell_measurement_theta_min      2.533
_cell_volume                     4629.4(9)
_computing_cell_refinement       'SAINT (Bruker-AXS)'
_computing_data_collection       'SMART (Bruker-AXS)'
_computing_data_reduction        'SAINT (Bruker-AXS)'
_computing_molecular_graphics    'Ortep (Johnson, 1996)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker-AXS SMART CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0519
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            76012
_diffrn_reflns_theta_full        30.57
_diffrn_reflns_theta_max         30.57
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    5.038
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6483
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs bruker-axs'
_exptl_crystal_colour            dark
_exptl_crystal_density_diffrn    1.844
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2488
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.397
_refine_diff_density_min         -2.131
_refine_diff_density_rms         0.162
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.007(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         7093
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0773
_refine_ls_R_factor_gt           0.0422
_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^)+(0.0166P)^2^+30.1141P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0765
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                4534
_reflns_number_total             7093
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c8dt01441h2.cif
_cod_data_source_block           p41212
_cod_depositor_comments
'Adding full bibliography for 7046645--7046658.cif.'
_cod_original_sg_symbol_H-M      P41212
_cod_original_formula_sum        'C27 H16.50 F N2.50 O4 W'
_cod_database_code               7046649