Probing Competitive and Co-operative Hydroxyl and Ammonium Hydrogen-Bonding Directed Epoxidations.
Brambilla, Marta; Brennan, Méabh B; Csatayová, Kristína; Davies, Stephen G.; Fletcher, Ai M.; Kennett, Alice M. R.; Lee, James A.; Roberts, Paul M.; Russell, Angela J.; Thomson, James E.; The Journal of organic chemistry 82 (2017) 10297–10309; doi:10.1021/acs.joc.7b01774

data_4032858
_publ_section_title
;
 Probing Competitive and Co-operative Hydroxyl and Ammonium
 Hydrogen-Bonding Directed Epoxidations.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10297
_journal_page_last               10309
_journal_paper_doi               10.1021/acs.joc.7b01774
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C28 H28 N2 O5'
_chemical_formula_sum            'C28 H28 N2 O5'
_chemical_formula_weight         472.54
_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
_cell_angle_alpha                99.2201(14)
_cell_angle_beta                 98.4462(14)
_cell_angle_gamma                95.3839(18)
_cell_formula_units_Z            2
_cell_length_a                   6.7380(2)
_cell_length_b                   9.4072(3)
_cell_length_c                   19.3817(8)
_cell_measurement_reflns_used    3854
_cell_measurement_temperature    150
_cell_measurement_theta_max      26
_cell_measurement_theta_min      5
_cell_volume                     1190.80(7)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997-2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device       'Nonius KappaCCD'
_diffrn_measurement_device_type  Area
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            7077
_diffrn_reflns_theta_full        25.061
_diffrn_reflns_theta_max         25.836
_diffrn_reflns_theta_min         5.134
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.99
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.34
_refine_diff_density_min         -0.28
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.1205
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         3295
_refine_ls_number_restraints     120
_refine_ls_R_factor_all          0.0815
_refine_ls_R_factor_gt           0.0656
_refine_ls_shift/su_max          0.000213
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 1.34 0.969 0.880 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0871
_refine_ls_wR_factor_gt          0.0729
_refine_ls_wR_factor_ref         0.0707
_reflns_limit_h_max              8
_reflns_limit_h_min              -8
_reflns_limit_k_max              11
_reflns_limit_k_min              -11
_reflns_limit_l_max              23
_reflns_limit_l_min              0
_reflns_number_gt                3541
_reflns_number_total             4453
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.86
_oxford_diffrn_Wilson_scale      1.15
_oxford_refine_ls_r_factor_ref   0.0616
_oxford_refine_ls_scale          0.996(3)
_oxford_reflns_number_all        4453
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_data_source_file            jo7b01774_si_002.cif
_cod_data_source_block           61
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/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 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 4032856--4032859.cif.
;
_cod_database_code               4032858