Incarceration of one or two phosphate or arsenate species within nanojars, capped nanojars and nanohelicages: helical chirality from two closely-spaced, head-to-head PO4^3-^ or AsO4^3-^ ions
Gellert Mezei; Chem.Commun. 51 (2015) 10341–; doi:10.1039/C5cc03005F

data_7117304
_publ_section_title
;
 Incarceration of one or two phosphate or arsenate species within
 nanojars, capped nanojars and nanohelicages: helical chirality from two
 closely-spaced, head-to-head PO4^3-^ or AsO4^3-^ ions
;
_journal_name_full               Chem.Commun.
_journal_page_first              10341
_journal_paper_doi               10.1039/C5cc03005F
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C145 H227 As Cu31 N64 O35'
_chemical_formula_weight         5471.55
_chemical_properties_physical    Efflorescent
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-04-07 deposited with the CCDC.
2015-05-08 downloaded from the CCDC.
;
_cell_angle_alpha                103.6400(10)
_cell_angle_beta                 95.2200(10)
_cell_angle_gamma                110.6630(10)
_cell_formula_units_Z            2
_cell_length_a                   20.4878(3)
_cell_length_b                   22.9195(4)
_cell_length_c                   25.7171(4)
_cell_measurement_reflns_used    9957
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.99
_cell_measurement_theta_min      2.30
_cell_volume                     10777.1(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1691
_diffrn_reflns_av_unetI/netI     0.0980
_diffrn_reflns_laue_measured_fraction_full 0.982
_diffrn_reflns_laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            354727
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.100
_diffrn_reflns_theta_min         1.095
_exptl_absorpt_coefficient_mu    3.211
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.5593
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.686
_exptl_crystal_description       plate
_exptl_crystal_F_000             5514
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene, hexanes'
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.949
_refine_diff_density_min         -1.510
_refine_diff_density_rms         0.179
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2348
_refine_ls_number_reflns         38290
_refine_ls_number_restraints     102
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1619
_refine_ls_R_factor_gt           0.0822
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0453P)^2^+270.2126P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1770
_refine_ls_wR_factor_ref         0.2196
_reflns_Friedel_coverage         0.000
_reflns_friedel_fraction_full    .
_reflns_friedel_fraction_max     .
_reflns_number_gt                21386
_reflns_number_total             38290
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc03005f2.cif
_cod_data_source_block           2
_cod_database_code               7117304
_shelx_estimated_absorpt_t_min   0.375
_shelx_estimated_absorpt_t_max   0.856
_shelxl_version_number           2014/6
_shelx_res_checksum              47095