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_1544321
_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            'C28 H53 N2 Na2 O25.5 S4'
_chemical_formula_weight         999.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                89.387(2)
_cell_angle_beta                 85.105(2)
_cell_angle_gamma                89.819(2)
_cell_formula_units_Z            4
_cell_length_a                   9.5720(2)
_cell_length_b                   19.0529(4)
_cell_length_c                   22.8610(5)
_cell_measurement_reflns_used    6548
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.34
_cell_volume                     4153.81(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0432
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            46503
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.345
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.599
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2100
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.581
_refine_diff_density_min         -0.500
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1108
_refine_ls_number_reflns         14642
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0678
_refine_ls_R_factor_gt           0.0467
_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^)+(0.0616P)^2^+2.1833P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1289
_reflns_number_gt                10991
_reflns_number_total             14642
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b02802_si_002.cif
_cod_data_source_block           dk
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1544319--1544323.cif.

2023-04-19
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C56 H106 N4 Na4 O51 S8'
_cod_original_formula_weight         1999.89
_cod_original_formula_units_Z            2
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1544321