The 'Trinity' helix: synthesis and structural characterisation of a C3-symmetric tris-bidentate ligand and its coordination to Ag(I)
Conerney, Brian; Jensen, Paul; Kruger, Paul E.; MacGloinn, Conchúir; Chemical Communications (Cambridge, United Kingdom)  (2003) 1274–1275; doi:10.1039/b302652c

data_7103683
_publ_section_title
;
 The 'Trinity' helix: synthesis and structural characterisation of a
 C3-symmetric tris-bidentate ligand and its coordination to Ag(I)
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   11
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1274
_journal_page_last               1275
_journal_paper_doi               10.1039/b302652c
_journal_year                    2003
_chemical_formula_moiety         N-TAPY
_chemical_formula_sum            'C39.5 H31 N7'
_chemical_formula_weight         603.71
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                70.954(2)
_cell_angle_beta                 75.751(2)
_cell_angle_gamma                74.992(2)
_cell_formula_units_Z            2
_cell_length_a                   10.1332(8)
_cell_length_b                   11.0554(8)
_cell_length_c                   16.6857(13)
_cell_measurement_temperature    153(2)
_cell_volume                     1679.7(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       'Omega 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  0.0796
_diffrn_reflns_av_sigmaI/netI    0.0881
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8330
_diffrn_reflns_theta_full        20.01
_diffrn_reflns_theta_max         20.01
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.641
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             634
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.901
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     405
_refine_ls_number_reflns         3144
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.1400
_refine_ls_R_factor_gt           0.0987
_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^)+(0.1908P)^2^+0.7169P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2723
_refine_ls_wR_factor_ref         0.3087
_reflns_number_gt                2049
_reflns_number_total             3144
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b302652c.txt
_cod_data_source_block           cmg31m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Empirical' changed to 'empirical'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C39.50 H31 N7'
_cod_database_code               7103683