Dinuclear complexes of a pseudocalixarene macrocycle: structural consequences of intramolecular hydrogen bonding.
Fontecha, Julia Barreira; Goetz, Sandrine; McKee, Vickie; Dalton transactions (Cambridge, England : 2003)  (2005) 923–929; doi:10.1039/b413639j

data_7007942
_publ_section_title
;
 Dinuclear complexes of a pseudocalixarene macrocycle: structural
 consequences of intramolecular hydrogen bonding.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              923
_journal_page_last               929
_journal_paper_doi               10.1039/b413639j
_journal_year                    2005
_chemical_formula_sum            'C64 H104 Cl2 N4 Ni2 O21'
_chemical_formula_weight         1453.83
_chemical_name_systematic
;
?
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   27.9805(12)
_cell_length_b                   13.7050(6)
_cell_length_c                   18.8743(8)
_cell_measurement_reflns_used    21493
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.28
_cell_measurement_theta_min      2.27
_cell_volume                     7237.8(5)
_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      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0234
_diffrn_reflns_av_sigmaI/netI    0.0137
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            50518
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.666
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.872055
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3096
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.601
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.196
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     477
_refine_ls_number_reflns         6664
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.198
_refine_ls_R_factor_all          0.0840
_refine_ls_R_factor_gt           0.0764
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0589P)^2^+27.7475P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1899
_refine_ls_wR_factor_ref         0.1949
_reflns_number_gt                5805
_reflns_number_total             6664
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b413639j.txt
_cod_data_source_block           Complex5a
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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      Pnma
_cod_database_code               7007942