Stereoselective Association of Binuclear Metallacycles in Coordination Polymers
Andrei N. Khlobystov; Matthew T. Brett; Alexander J. Blake; Neil R. Champness; Peter M. W. Gill; Darragh P. O'Neill; Simon J. Teat; Claire Wilson; Martin Schröder; Journal of the American Chemical Society 125 (2003) 6753–6761; doi:10.1021/ja029048y

data_4113778
_publ_contact_author_address
;
  School of Chemistry
  The University of Nottingham
  University Park
  Nottingham  NG7 2RD
  England
;
_publ_contact_author_email       A.J.Blake@nottingham.ac.uk
_publ_contact_author_fax         '0115 951 3563'
_publ_contact_author_name        'Dr A.J. Blake'
_publ_contact_author_phone       '0115 951 3488'
_publ_section_title
;
 Stereoselective Association of Binuclear Metallacycles in Coordination
 Polymers
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6753
_journal_page_last               6761
_journal_paper_doi               10.1021/ja029048y
_journal_volume                  125
_journal_year                    2003
_chemical_formula_moiety         'C30 H30 Cd2 N10 O14'
_chemical_formula_sum            'C30 H30 Cd2 N10 O14'
_chemical_formula_weight         978.44
_chemical_name_common            2{L*Cd(NO3)2*DMF}
_chemical_name_systematic
; 
 2-Pyridyl-4-pyridylacetylene Cadmium(II) bisnitrate complex
 dimethylformamide solvate
;
_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
'Me-groups from delta-F synthesis, others placed geometrically'
_atom_sites_solution_primary     'Patterson method'
_atom_sites_solution_secondary   'difference Fourier method'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.117(2)
_cell_angle_beta                 88.678(3)
_cell_angle_gamma                82.132(2)
_cell_formula_units_Z            1
_cell_length_a                   8.4570(13)
_cell_length_b                   9.581(2)
_cell_length_c                   12.026(2)
_cell_measurement_reflns_used    1017
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.72
_cell_measurement_theta_min      2.94
_cell_volume                     964.6(3)
_computing_cell_refinement       'SAINT v6.02a (Bruker, 2000)'
_computing_data_collection       'SMART v5.054 (Bruker, 1998)'
_computing_data_reduction        'Bruker SAINT, SHELXTL (Bruker, 1997)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL; PLATON (Spek, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.874
_diffrn_measurement_device_type  'Bruker SMART1000 CCD area detector'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.016
_diffrn_reflns_av_sigmaI/netI    0.013
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9531
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.82
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        none
_diffrn_standards_interval_time  10
_exptl_absorpt_coefficient_mu    1.179
_exptl_absorpt_correction_T_max  0.779
_exptl_absorpt_correction_T_min  0.691
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.686
_exptl_crystal_description       block
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.44
_refine_diff_density_min         -0.28
_refine_diff_density_rms         0.06
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment
'rigid rotor for Me-groups, riding model for others'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         4398
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0196
_refine_ls_R_factor_gt           0.0185
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.034P)^2^+0.243P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0494
_refine_ls_wR_factor_ref         0.0500
_reflns_number_gt                4177
_reflns_number_total             4398
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja029048ysi20021022_034217_4.cif
_cod_data_source_block           (4)
_cod_database_code               4113778