Selenoether macrocyclic chemistry‒syntheses and ligand properties of new small-ring Se3- and Se2N-donor macrocycles
Levason, William; Manning, Joanna M.; Reid, Gillian; Tuggey, Matthew; Webster, Michael; Dalton Transactions  (2009) 4569–4577; doi:10.1039/b900321e

data_7001416
_publ_section_title
;
 Selenoether macrocyclic chemistry--syntheses and ligand properties of
 new small-ring Se3- and Se2N-donor macrocycles
;
_journal_issue                   23
_journal_name_full               'Dalton Transactions'
_journal_page_first              4569
_journal_page_last               4577
_journal_paper_doi               10.1039/b900321e
_journal_year                    2009
_chemical_formula_moiety         'C18 H24 N Pt Se2 1+, I 1-, C H Cl3'
_chemical_formula_sum            'C19 H25 Cl3 I N Pt Se2'
_chemical_formula_weight         853.66
_chemical_name_systematic
;
(3,12-diselena-18-aza-tricyclo[12.3.1.0^5,10^]octadeca-
1(17),5,7,9,14(18),15-hexaene)trimethylplatinum iodide
chloroform solvate
;
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2008-06-25
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.534(3)
_cell_length_b                   22.046(6)
_cell_length_c                   17.858(5)
_cell_measurement_reflns_used    5749
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     4935(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1285
_diffrn_reflns_av_sigmaI/netI    0.0865
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            37833
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.94
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    10.220
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4246
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.298
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3168
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.396
_refine_diff_density_min         -1.781
_refine_diff_density_rms         0.337
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.127
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         4832
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.1676
_refine_ls_R_factor_gt           0.0981
_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^)+(0.0001P)^2^+386.40P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1726
_refine_ls_wR_factor_ref         0.2050
_reflns_number_gt                3019
_reflns_number_total             4832
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b900321e.txt
_cod_data_source_block           08jmm11
_cod_database_code               7001416