Relaxed but Highly Compact Diansa Metallacyclophanes
Pau Farràs; Francesc Teixidor; Isabel Rojo; Raikko Kivekäs; Reijo Sillanpää; Patricia González-Cardoso; Clara Viñas; Journal of the American Chemical Society 133 (2011) 16537–16552; doi:10.1021/ja205850p

data_4106959
_publ_contact_author_address
; 
     Institute of Material Sciences
     Campus UAB
     E-08193 Bellaterra
     Spain
;
_publ_contact_author_email       clara@icmab.es
_publ_contact_author_fax         '+34 93 5805729'
_publ_contact_author_name        'Prof. Clara Vi\~nas'
_publ_contact_author_phone       '+34 93 5801853'
_publ_section_title
;
 Relaxed but Highly Compact Diansa Metallacyclophanes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16537
_journal_page_last               16552
_journal_paper_doi               10.1021/ja205850p
_journal_volume                  133
_journal_year                    2011
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C16 H27 B18 Co P, C4 H12 N, 0.8(C H2 Cl2)'
_chemical_formula_sum            'C20.8 H40.6 B18 Cl1.6 Co N P'
_chemical_formula_weight         645.94
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2011-03-29T12:59:56-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90.323(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.508(3)
_cell_length_b                   15.676(3)
_cell_length_c                   20.258(7)
_cell_measurement_reflns_used    20931
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.8
_cell_measurement_theta_min      3.2
_cell_measurement_wavelength     0.71073
_cell_volume                     3336.9(16)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0343
_diffrn_reflns_av_unetI/netI     0.0384
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17319
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         25
_diffrn_reflns_theta_min         3.07
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.708
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_description       plate
_exptl_crystal_F_000             1326
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.776
_refine_diff_density_min         -0.534
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     422
_refine_ls_number_reflns         5840
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.163
_refine_ls_R_factor_all          0.0728
_refine_ls_R_factor_gt           0.0635
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0434P)^2^+7.8261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1471
_refine_ls_wR_factor_ref         0.1508
_reflns_number_gt                5270
_reflns_number_total             5840
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ja205850p_si_001_4.cif
_cod_data_source_block           ir366
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C20.80 H40.60 B18 Cl1.60 Co N P'
_cod_database_code               4106959