Tungsten-catalyzed stereodivergent isomerization of terminal olefins.
Jankins, Tanner C.; Rubel, Camille Z.; Ho, Hang Chi; Martin-Montero, Raul; Engle, Keary M.; Chemical science 16 (2025) 2307–2315; doi:10.1039/d4sc07093c

data_1573415
_publ_section_title
;
 Tungsten-catalyzed stereodivergent isomerization of terminal olefins.
;
_journal_issue                   5
_journal_name_full               'Chemical science'
_journal_page_first              2307
_journal_page_last               2315
_journal_paper_doi               10.1039/d4sc07093c
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C14 H16 N4 O4 W'
_chemical_formula_sum            'C14 H16 N4 O4 W'
_chemical_formula_weight         488.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-09-06
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2022-01-25 deposited with the CCDC.	2024-12-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.4980(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.6484(7)
_cell_length_b                   14.2399(12)
_cell_length_c                   13.3208(15)
_cell_measurement_reflns_used    7283
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.71
_cell_measurement_theta_min      2.77
_cell_volume                     1626.5(3)
_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  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 8.258
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Ultra'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_unetI/netI     0.0380
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8406
_diffrn_reflns_point_group_measured_fraction_full 1.000
_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         2.773
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.127
_exptl_absorpt_correction_T_max  0.4910
_exptl_absorpt_correction_T_min  0.3858
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0855 before and 0.0709 after correction.
The Ratio of minimum to maximum transmission is 0.7857.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.994
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.516
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     107
_refine_ls_number_reflns         1671
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0187
_refine_ls_R_factor_gt           0.0183
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0077P)^2^+1.6956P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0450
_refine_ls_wR_factor_ref         0.0452
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1639
_reflns_number_total             1671
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc07093c2.cif
_cod_data_source_block           engle207
_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/RSC/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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1573415--1573416.cif.
;
_cod_database_code               1573415
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.536
_shelx_estimated_absorpt_t_min   0.458
_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:
 C4(H4), C5(H5)
2.b Idealised Me refined as rotating group:
 C6(H6A,H6B,H6C), C7(H7A,H7B,H7C)
;
_shelx_res_checksum              47694
_shelx_hkl_checksum              21263
_olex2_submission_special_instructions 'No special instructions were received'