Adaptive Encapsulation of ω-Amino Acids and Their Guanidinium-Amide Congeners.
Feng, Wei-Xu; van der Lee, Arie; Legrand, Yves-Marie; Petit, Eddy; Dumitrescu, Dan; Su, Cheng-Yong; Barboiu, Mihail; Organic letters 18 (2016) 5556–5559; doi:10.1021/acs.orglett.6b02802

data_1544320
_publ_section_title
;
 Adaptive Encapsulation of \w-Amino Acids and Their Guanidinium-Amide
 Congeners.
;
_journal_issue                   21
_journal_name_full               'Organic letters'
_journal_page_first              5556
_journal_page_last               5559
_journal_paper_doi               10.1021/acs.orglett.6b02802
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C30 H54 N10 O17 S4'
_chemical_formula_weight         955.07
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c 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            8
_cell_length_a                   18.5465(8)
_cell_length_b                   16.3492(7)
_cell_length_c                   28.7869(12)
_cell_measurement_reflns_used    5924
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.13
_cell_measurement_theta_min      2.16
_cell_volume                     8728.8(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type
'Agilent Technologies Gemini-S four-circle diffractometer'
_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  0.0572
_diffrn_reflns_av_sigmaI/netI    0.0616
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            22639
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.298
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.454
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4032
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         7455
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0884
_refine_ls_R_factor_gt           0.0551
_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^)+(0.0549P)^2^+4.3775P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1234
_refine_ls_wR_factor_ref         0.1428
_reflns_number_gt                5156
_reflns_number_total             7455
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b02802_si_005.cif
_cod_data_source_block           dk
_cod_depositor_comments
'Adding full bibliography for 1544319--1544323.cif.'
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1544320