Azopeptides: Synthesis and Pericyclic Chemistry.
Chingle, Ramesh; Lubell, William D.; Organic letters 17 (2015) 5400–5403; doi:10.1021/acs.orglett.5b02723

data_1555386
_publ_section_title
;
 Azopeptides: Synthesis and Pericyclic Chemistry.
;
_journal_issue                   21
_journal_name_full               'Organic letters'
_journal_page_first              5400
_journal_page_last               5403
_journal_paper_doi               10.1021/acs.orglett.5b02723
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C25 H24 N4 O4'
_chemical_formula_sum            'C25 H24 N4 O4'
_chemical_formula_weight         444.48
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2015-07-22
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7914(4)
_cell_length_b                   22.2498(11)
_cell_length_c                   11.9566(5)
_cell_measurement_reflns_used    9415
_cell_measurement_temperature    105
_cell_measurement_theta_max      60.486
_cell_measurement_theta_min      3.458
_cell_volume                     2338.79(19)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection
;
APEX 2 (2013) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      105
_diffrn_detector                 'CMOS Area detector'
_diffrn_detector_area_resol_mean 10.24
_diffrn_detector_type            'Bruker Photon 100 CMOS Detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Venture Metaljet'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Helios MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0540
_diffrn_reflns_av_unetI/netI     0.0384
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            36324
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         60.674
_diffrn_reflns_theta_min         3.456
_diffrn_source                   'Metal Jet'
_diffrn_source_target            Ga
_diffrn_source_type              'Gallium Liquid Metal Jet Source'
_exptl_absorpt_coefficient_mu    0.458
_exptl_absorpt_correction_T_max  0.7519
_exptl_absorpt_correction_T_min  0.5347
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1412 before and 0.0674 after correction.
The Ratio of minimum to maximum transmission is 0.7111.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details
;
 Flack x determined using 1943 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.08(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         5333
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0490
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0500P)^2^+0.3645P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0922
_refine_ls_wR_factor_ref         0.0979
_reflns_Friedel_coverage         0.897
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.985
_reflns_number_gt                4612
_reflns_number_total             5333
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol5b02723_si_002.cif
_cod_data_source_block           lube96
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               1555386
_shelx_estimated_absorpt_t_max   0.982
_shelx_estimated_absorpt_t_min   0.898
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Riding coordinates:
 N1(H1)
2.b Ternary CH refined with riding coordinates:
 C1(H1A)
2.c Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C7(H7A,H7B)
2.d Aromatic/amide H refined with riding coordinates:
 C9(H9), C10(H10), C11(H11), C12(H12), C13(H13), C15(H15), C16(H16), C17(H17),
 C18(H18), C19(H19), C21(H21), C22(H22), C23(H23), C24(H24), C25(H25)
2.e Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'