An amphiphilic, catalytically active, vitamin B12 derivative.
Giedyk, M.; Fedosov, S. N.; Gryko, D.; Chemical communications (Cambridge, England) 50 (2014) 4674–4676; doi:10.1039/c4cc01064g

data_7112279
_publ_section_title
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 An amphiphilic, catalytically active, vitamin B12 derivative.
;
_journal_issue                   36
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              4674
_journal_page_last               4676
_journal_paper_doi               10.1039/c4cc01064g
_journal_volume                  50
_journal_year                    2014
_chemical_absolute_configuration syn
_chemical_formula_sum            'C207 H282 Co3 N24 O61 P3'
_chemical_formula_weight         4352.25
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      trigonal
_space_group_IT_number           146
_space_group_name_Hall           'R 3'
_space_group_name_H-M_alt        'R 3 :H'
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   39.7853(10)
_cell_length_b                   39.7853(10)
_cell_length_c                   14.0608(4)
_cell_measurement_reflns_used    9857
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.10
_cell_measurement_theta_min      4.06
_cell_volume                     19274.6(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0392
_diffrn_reflns_av_unetI/netI     0.0604
_diffrn_reflns_Laue_measured_fraction_full 0.985
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -47
_diffrn_reflns_limit_k_max       47
_diffrn_reflns_limit_k_min       -47
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            34653
_diffrn_reflns_point_group_measured_fraction_full 0.695
_diffrn_reflns_point_group_measured_fraction_max 0.696
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         67.636
_diffrn_reflns_theta_min         4.058
_exptl_absorpt_coefficient_mu    2.293
_exptl_absorpt_correction_T_max  0.7530
_exptl_absorpt_correction_T_min  0.6278
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red-violet
_exptl_crystal_density_diffrn    1.125
_exptl_crystal_density_meas      ?
_exptl_crystal_F_000             6918
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.724
_refine_diff_density_min         -0.637
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details
;
 Absolute configuration was assigned on the basis of known confuguration of vitamin B(12), that was used as a substrate.
;
_refine_ls_abs_structure_Flack   -0.030(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     906
_refine_ls_number_reflns         10781
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0570
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0967P)^2^+34.5766P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1518
_refine_ls_wR_factor_ref         0.1557
_reflns_Friedel_coverage         0.412
_reflns_Friedel_fraction_full    0.406
_reflns_Friedel_fraction_max     0.406
_reflns_number_gt                9802
_reflns_number_total             10781
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4cc01064g2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_cell_volume        19274.6(11)
_cod_database_code               7112279
_shelxl_version_number           2013-4
_shelx_res_checksum              48420