Self-assembled trinuclear arsenic and antimony macrobicycles
Collins, Mary S.; Choi, Robert Y.; Zakharov, Lev N.; Watson, Lori A.; Hay, Benjamin P.; Johnson, Darren W.; Chem. Sci. 6 (2015) 2444–; doi:10.1039/C4SC04042B

data_1518738
_publ_section_title
;
 Self-assembled trinuclear arsenic and antimony macrobicycles
;
_journal_issue                   4
_journal_name_full               'Chem. Sci.'
_journal_page_first              2444
_journal_paper_doi               10.1039/C4SC04042B
_journal_volume                  6
_journal_year                    2015
_chemical_formula_sum            'C19.5 H18.5 As3 Cl6.5 S6'
_chemical_formula_weight         900.39
_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           SHELXTL
_audit_update_record
;
2014-12-30 deposited with the CCDC.
2015-02-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.703(4)
_cell_length_b                   9.885(2)
_cell_length_c                   14.702(3)
_cell_measurement_reflns_used    1230
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      15.68
_cell_measurement_theta_min      2.67
_cell_volume                     3008.8(10)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      193(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         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1156
_diffrn_reflns_av_sigmaI/netI    0.0693
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            28227
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    4.320
_exptl_absorpt_correction_T_max  0.8462
_exptl_absorpt_correction_T_min  0.5830
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.988
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1764
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.681
_refine_diff_density_min         -0.981
_refine_diff_density_rms         0.130
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2818
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.1259
_refine_ls_R_factor_gt           0.0713
_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^)+(0.1156P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1818
_refine_ls_wR_factor_ref         0.2100
_reflns_number_gt                1744
_reflns_number_total             2818
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc04042b2.cif
_cod_data_source_block           as51o
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

 Adding full bibliography for 1518738--1518743.cif.
;
_cod_original_cell_volume        3008.7(11)
_cod_original_sg_symbol_H-M      Pnma
_cod_original_formula_sum        'C19.50 H18.50 As3 Cl6.50 S6'
_cod_database_code               1518738