Variable length ligands: a new class of bridging ligands for supramolecular chemistry and crystal engineering.
Duriska, Martin B; Neville, Suzanne M; Batten, Stuart R; Chemical communications (Cambridge, England) 34 (2009) 5579–5581; doi:10.1039/b910994c

data_7104746
_publ_section_title
;
 Variable length ligands: a new class of bridging ligands for
 supramolecular chemistry and crystal engineering.
;
_journal_issue                   37
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5579
_journal_page_last               5581
_journal_paper_doi               10.1039/b910994c
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         'C24 H40 Ca Cl4 Co N4 O6'
_chemical_formula_sum            'C24 H40 Ca Cl4 Co N4 O6'
_chemical_formula_weight         721.42
_chemical_name_systematic
;
?
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             '9 November 2005'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.474(3)
_cell_length_b                   13.189(3)
_cell_length_c                   27.709(6)
_cell_measurement_reflns_used    111
_cell_measurement_temperature    123
_cell_measurement_theta_max      31.34
_cell_measurement_theta_min      2.36
_cell_volume                     4558.7(18)
_computing_cell_refinement       'SMART (BrukerAXS, 1997)'
_computing_data_collection       'SMART (BrukerAXS, 1997)'
_computing_data_reduction        'SAINT+ (BrukerAXS, 1997)'
_computing_molecular_graphics    'MERCURY 1.4 (Bruno et al., 2002)'
_computing_publication_material  'XCIF V6.12 (BrukerAXS, 2001).'
_computing_structure_refinement  X-SEED
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'APEX X8'
_diffrn_measurement_method       'scans in phi and omega'
_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  0.0770
_diffrn_reflns_av_sigmaI/netI    0.0675
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            28839
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.47
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.753
_exptl_absorpt_correction_T_max  0.8640
_exptl_absorpt_correction_T_min  0.8341
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.051
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1484
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_platon_squeeze_details
;
;
_refine_diff_density_max         1.460
_refine_diff_density_min         -1.287
_refine_diff_density_rms         0.244
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         5611
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.1535
_refine_ls_R_factor_gt           0.1130
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3024
_refine_ls_wR_factor_ref         0.3259
_reflns_number_gt                2847
_reflns_number_total             5611
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910994c.txt
_cod_data_source_block           F
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7104746