Synthesis and characterization of 5,15-bis(hydroxymethyl)porphyrins – simple compounds distantly inspired by the chlorosomal bacteriochlorophylls
Tran, Vy-Phuong; Kundu, Arup; Scott, Madelyn N.; Iwanicki, Ainsley; Nalaoh, Phattananawee; Diers, James R.; Taniguchi, Masahiko; Bocian, David F.; Schlau-Cohen, Gabriela S.; Lindsey, Jonathan S.; New Journal of Chemistry 50 (2026) 1990–2004; doi:10.1039/D5NJ04118J

data_7064317
_publ_section_title
;
 Synthesis and characterization of 5,15-bis(hydroxymethyl)porphyrins --
 simple compounds distantly inspired by the chlorosomal
 bacteriochlorophylls
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1990
_journal_page_last               2004
_journal_paper_doi               10.1039/D5NJ04118J
_journal_volume                  50
_journal_year                    2026
_chemical_formula_moiety         'C34 H24 N4 O2 Zn'
_chemical_formula_sum            'C34 H24 N4 O2 Zn'
_chemical_formula_weight         585.94
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2023-10-27
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2025-10-17 deposited with the CCDC.	2025-12-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.408(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.3194(8)
_cell_length_b                   14.9366(16)
_cell_length_c                   34.979(5)
_cell_measurement_reflns_used    9861
_cell_measurement_temperature    100.00
_cell_measurement_theta_max      27.15
_cell_measurement_theta_min      2.33
_cell_volume                     3301.6(7)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.00
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0710
_diffrn_reflns_av_unetI/netI     0.0346
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            59961
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.372
_diffrn_reflns_theta_min         2.216
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_exptl_absorpt_coefficient_mu    0.777
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6622
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1281 before and 0.0706 after correction.
The Ratio of minimum to maximum transmission is 0.8883.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear dark red'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.179
_exptl_crystal_description       needle
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.207
_exptl_crystal_size_mid          0.107
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.137
_refine_diff_density_min         -0.671
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         6740
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0442
_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^)+(0.0354P)^2^+5.3640P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1046
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6028
_reflns_number_total             6740
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5nj04118j2.cif
_cod_data_source_block           mo_ncsu_pn57_0m_a
_cod_database_code               7064317
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.970
_shelx_estimated_absorpt_t_min   0.856
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C21(H21A,H21B), C27(H27A,H27B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2A), C3(H3), C4(H4), C5(H5), C6(H6), C10(H10), C11(H11), C14(H14),
 C15(H15), C17(H17), C18(H18), C24(H24), C25(H25), C30(H30), C31(H31), C32(H32),
  C33(H33), C34(H34)
;
_smtbx_masks_void_probe_radius   1.2
_smtbx_masks_void_truncation_radius 1.2
_shelx_res_checksum              85846
_shelx_fab_checksum              45101
_olex2_submission_special_instructions 'No special instructions were received'