Bis(3-methyl-2-pyridyl)ditelluride and pyridyl tellurolate complexes of zinc, cadmium, mercury: Synthesis, characterization and their conversion to metal telluride nanoparticles
Kedarnath, G.; Jain, Vimal K.; Wadawale, Amey; Dey, Gautam K.; Dalton Transactions  (2009) 8378–8385; doi:10.1039/b910466f

data_7002365
_publ_section_title
;
 Bis(3-methyl-2-pyridyl)ditelluride and pyridyl tellurolate complexes
 of zinc, cadmium, mercury: Synthesis, characterization and their
 conversion to metal telluride nanoparticles
;
_journal_issue                   39
_journal_name_full               'Dalton Transactions'
_journal_page_first              8378
_journal_page_last               8385
_journal_paper_doi               10.1039/b910466f
_journal_year                    2009
_chemical_formula_sum            'C16 H24 Cd N4 Te2'
_chemical_formula_weight         639.99
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.382(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.900(5)
_cell_length_b                   7.3572(11)
_cell_length_c                   14.250(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      16.1
_cell_measurement_theta_min      10.3
_cell_volume                     2112.7(8)
_computing_cell_refinement       WINAFC
_computing_data_collection       WINAFC
_computing_data_reduction        'CRYSTAL STRUCTURE'
_computing_molecular_graphics    'ORTEP-3 FOR WINDOWS'
_computing_publication_material  'WINGX 1.70.01'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF-99 FOR WINDOWS'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku AFC7S'
_diffrn_measurement_method       \w
_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  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0401
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            3266
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.95
_diffrn_standards_decay_%        -5.93
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.745
_exptl_absorpt_correction_T_max  0.8349
_exptl_absorpt_correction_T_min  0.2561
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.012
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.536
_refine_diff_density_min         -0.834
_refine_diff_density_rms         0.146
_refine_ls_extinction_coef       0.0022(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         2433
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0675P)^2^+5.1667P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1070
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                1920
_reflns_number_total             2433
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910466f.txt
_cod_data_source_block           gk-11
_cod_original_cell_volume        2112.6(7)
_cod_database_code               7002365