Cavity partition and functionalization of a [2+3] organic molecular cage by inserting polar P[double bond, length as m-dash]O bonds.
Feng, Genfeng; Liu, Wei; Peng, Yuxin; Zhao, Bo; Huang, Wei; Dai, Yafei; Chemical communications (Cambridge, England) 52 (2016) 9267–9270; doi:10.1039/c6cc02801b

data_7124642
_publ_section_title
;
 Cavity partition and functionalization of a [2+3] organic molecular cage
 by inserting polar P[double bond, length as m-dash]O bonds.
;
_journal_issue                   59
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              9267
_journal_page_last               9270
_journal_paper_doi               10.1039/c6cc02801b
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C21 H15 O7 P'
_chemical_formula_sum            'C21 H15 O7 P'
_chemical_formula_weight         410.30
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-03-31 deposited with the CCDC.
2016-06-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.558(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7879(13)
_cell_length_b                   20.327(3)
_cell_length_c                   11.9549(19)
_cell_measurement_reflns_used    3921
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      27.172
_cell_measurement_theta_min      2.632
_cell_volume                     1888.9(5)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker 2000)'
_computing_data_reduction        'SAINT (Bruker 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (BRUKER 2000)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart Apex CCD area detector'
_diffrn_measurement_method       '\f and \w 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  0.0831
_diffrn_reflns_av_sigmaI/netI    0.0642
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            15047
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.188
_exptl_absorpt_correction_T_max  0.9814
_exptl_absorpt_correction_T_min  0.9778
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker(2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.297
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.988
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3707
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.0882
_refine_ls_R_factor_gt           0.0692
_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^)+(0.0931P)^2^+1.7822P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1813
_refine_ls_wR_factor_ref         0.1957
_reflns_number_gt                2840
_reflns_number_total             3707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc02801b2.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7124642