Synthesis and coordination chemistry of 1,1,1-tris-(pyrid-2-yl)ethane.
Santoro, Amedeo; Sambiagio, Carlo; McGowan, Patrick C.; Halcrow, Malcolm A.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 1060–1069; doi:10.1039/c4dt02824d

data_7033173
_publ_section_title
;
 Synthesis and coordination chemistry of 1,1,1-tris-(pyrid-2-yl)ethane.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1060
_journal_page_last               1069
_journal_paper_doi               10.1039/c4dt02824d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C17 H15 N3'
_chemical_formula_sum            'C17 H15 N3'
_chemical_formula_weight         261.32
_chemical_name_systematic
; 
1,1,1-Tris(pyrid-2-yl)ethane 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 95.397(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2431(2)
_cell_length_b                   9.0085(2)
_cell_length_c                   15.7722(3)
_cell_measurement_reflns_used    3128
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      73.58
_cell_measurement_theta_min      4.80
_cell_volume                     1307.47(5)
_computing_cell_refinement       'CrysAlisPro, Agilent Technologies'
_computing_data_collection       'CrysAlisPro, Agilent Technologies'
_computing_data_reduction        'CrysAlisPro, Agilent Technologies'
_computing_molecular_graphics    'XSEED (Barbour, 2001)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 5.3095
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0234
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5146
_diffrn_reflns_theta_full        73.87
_diffrn_reflns_theta_max         73.87
_diffrn_reflns_theta_min         4.81
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.629
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.912
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.319
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         2555
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0360
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0399P)^2^+0.4310P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                2281
_reflns_number_total             2555
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt02824d3.cif
_cod_data_source_block           as136210
_cod_depositor_comments
'Adding full bibliography for 7033173--7033183.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7033173