CO Coupling Chemistry of a Terminal Mo Carbide: Sequential Addition of Proton, Hydride, and CO Releases Ethenone.
Buss, Joshua A.; Bailey, Gwendolyn A.; Oppenheim, Julius; VanderVelde, David G.; Goddard, 3rd, William A; Agapie, Theodor; Journal of the American Chemical Society 141 (2019) 15664–15674; doi:10.1021/jacs.9b07743

data_4127990
_publ_section_title
;
 CO Coupling Chemistry of a Terminal Mo Carbide: Sequential Addition of
 Proton, Hydride, and CO Releases Ethenone.
;
_journal_issue                   39
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15664
_journal_page_last               15674
_journal_paper_doi               10.1021/jacs.9b07743
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C33 H40 Mo O2 P2, 2(C6 H6)'
_chemical_formula_sum            'C45 H52 Mo O2 P2'
_chemical_formula_weight         782.74
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-07-12
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                72.96(4)
_cell_angle_beta                 81.20(5)
_cell_angle_gamma                88.33(4)
_cell_formula_units_Z            2
_cell_length_a                   11.665(8)
_cell_length_b                   12.561(5)
_cell_length_c                   13.985(6)
_cell_measurement_reflns_used    9395
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      41.08
_cell_measurement_theta_min      2.16
_cell_volume                     1935.9(18)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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      100.0
_diffrn_detector                 'CMOS Area Detector'
_diffrn_detector_area_resol_mean 10.24
_diffrn_detector_type            'Bruker PHOTON 100'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Triumph focusing graphite'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0305
_diffrn_reflns_av_unetI/netI     0.0201
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.974
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            185991
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         41.361
_diffrn_reflns_theta_min         1.541
_diffrn_source                   'sealed tube'
_diffrn_source_current           30
_diffrn_source_power             1.5
_diffrn_source_target            Mo
_diffrn_source_type              'Siemens KFF Mo 2K-90'
_diffrn_source_voltage           50
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.458
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9402
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0460 before and 0.0429 after correction. The Ratio of minimum to maximum transmission is 0.9402. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_description       block
_exptl_crystal_F_000             820
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.564
_refine_diff_density_min         -0.686
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     514
_refine_ls_number_reflns         25396
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0291
_refine_ls_R_factor_gt           0.0224
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0217P)^2^+0.5715P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0529
_refine_ls_wR_factor_ref         0.0554
_reflns_Friedel_coverage         0.000
_reflns_number_gt                22532
_reflns_number_total             25396
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b07743_si_002.cif
_cod_data_source_block           2
_cod_original_cell_volume        1935.8(18)
_cod_database_code               4127990
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.906
_shelx_estimated_absorpt_t_min   0.820
_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. Others
 Sof(C40')=Sof(H40')=Sof(C41')=Sof(H41')=Sof(C42')=Sof(H42')=Sof(C43')=
 Sof(H43')=Sof(C44')=Sof(H44')=Sof(C45')=Sof(H45')=1-FVAR(1)
 Sof(C40)=Sof(H40)=Sof(C41)=Sof(H41)=Sof(C42)=Sof(H42)=Sof(C43)=Sof(H43)=
 Sof(C44)=Sof(H44)=Sof(C45)=Sof(H45)=FVAR(1)
3.a Ternary CH refined with riding coordinates:
 C2(H2), C5(H5), C25(H25), C28(H28)
3.b Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C10(H10), C11(H11), C14(H14), C15(H15), C16(H16), C17(H17),
 C20(H20), C21(H21), C22(H22), C23(H23), C40(H40), C41(H41), C42(H42), C43(H43),
  C44(H44), C45(H45), C34(H34), C35(H35), C36(H36), C37(H37), C38(H38),
 C39(H39), C40'(H40'), C41'(H41'), C42'(H42'), C43'(H43'), C44'(H44'),
 C45'(H45')
3.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C3(H3A,H3B,H3C), C4(H4A,H4B,H4C), C6(H6A,H6B,H6C), C26(H26A,
 H26B,H26C), C27(H27A,H27B,H27C), C29(H29A,H29B,H29C), C30(H30A,H30B,H30C)
;
_shelx_res_checksum              44434
_shelx_hkl_checksum              50381
_olex2_submission_special_instructions 'No special instructions were received'