Tolyporphins L-R: Unusual Tetrapyrroles from a Brasilonema sp. of Cyanobacterium.
Gurr, Joshua R.; Dai, Jingqiu; Philbin, Casey S.; Sartain, Hope T.; O'Donnell, Timothy J; Yoshida, Wesley Y.; Rheingold, Arnold L.; Williams, Philip G.; The Journal of organic chemistry  (2019) –; doi:10.1021/acs.joc.9b01928

data_4037720
_publ_section_title
;
 Tolyporphins L-R: Unusual Tetrapyrroles from a Brasilonema sp. of
 Cyanobacterium.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.9b01928
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C24 H22 N4 O2'
_chemical_formula_sum            'C24 H22 N4 O2'
_chemical_formula_weight         398.45
_space_group_crystal_system      orthorhombic
_space_group_IT_number           20
_space_group_name_Hall           'C 2c 2'
_space_group_name_H-M_alt        'C 2 2 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2019-04-26
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.3998(13)
_cell_length_b                   22.4395(13)
_cell_length_c                   9.6817(6)
_cell_measurement_reflns_used    9709
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.457
_cell_measurement_theta_min      3.107
_cell_volume                     3997.4(4)
_computing_cell_refinement       'SAINT v8.38A (Bruker, 2017)'
_computing_data_collection       'APEX3 v2017.3-0 (Bruker, 2017)'
_computing_data_reduction        'SAINT v8.38A (Bruker, 2017)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0317
_diffrn_reflns_av_unetI/netI     0.0150
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            35318
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.082
_diffrn_reflns_theta_min         3.106
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Rigaku MicroMax-007HF'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.695
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6816
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0673 before and 0.0469 after correction. The Ratio of minimum to maximum transmission is 0.9051. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            brown
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_description       block
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.152
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 1492 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.09(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         3611
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0281
_refine_ls_R_factor_gt           0.0267
_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^)+(0.0357P)^2^+1.4477P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0662
_refine_ls_wR_factor_ref         0.0674
_reflns_Friedel_coverage         0.776
_reflns_Friedel_fraction_full    0.987
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                3473
_reflns_number_total             3611
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b01928_si_005.cif
_cod_data_source_block           orthoc_a
_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/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               4037720
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.840
_shelx_estimated_absorpt_t_min   0.813
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C6(H6), C20(H20), C10(H10), C4(H4A), C16(H16), C22(H22), C12(H12)
2.b Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C19(H19A,H19B,H19C), C14(H14A,H14B,H14C), C1(H1A,H1B,H1C)
;
_shelx_res_checksum              3027
_shelx_hkl_checksum              25934
_olex2_submission_special_instructions 'No special instructions were received'