A new synthetic route for the preparation of [Os3(CO)10(μ-OH)(μ-H)] and its reaction with bis(diphenylphosphino)methane (dppm): syntheses and X-ray structures of two isomers of [Os3(CO)8(μ-OH)(μ-H)(μ-dppm)] and [Os3(CO)7(μ3-CO)(μ3-O)(μ-dppm)]
Joy, Md. Tuhinur R.; Bhoumik, Nikhil C.; Ghosh, Shishir; Richmond, Michael G.; Kabir, Shariff E.; RSC Advances 10 (2020) 44699–44711; doi:10.1039/D0RA08783A

data_7241899
_publ_section_title
;
 A new synthetic route for the preparation of [Os3(CO)10(\m-OH)(\m-H)] and
 its reaction with bis(diphenylphosphino)methane (dppm): syntheses and
 X-ray structures of two isomers of [Os3(CO)8(\m-OH)(\m-H)(\m-dppm)] and
 [Os3(CO)7(\m3-CO)(\m3-O)(\m-dppm)]
;
_journal_issue                   73
_journal_name_full               'RSC Advances'
_journal_page_first              44699
_journal_page_last               44711
_journal_paper_doi               10.1039/D0RA08783A
_journal_volume                  10
_journal_year                    2020
_chemical_formula_moiety         'C35 H25 O11 Os3 P2, C O'
_chemical_formula_sum            'C36 H25 O12 Os3 P2'
_chemical_formula_weight         1282.10
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2020-06-03
_audit_creation_method
;
Olex2 1.3
(compiled Nov 21 2019 18:26:39 for OlexSys, GUI svn.r6003)
;
_audit_update_record
;
2020-10-11 deposited with the CCDC.	2020-11-25 downloaded from the CCDC.
;
_cell_angle_alpha                70.658(3)
_cell_angle_beta                 87.463(3)
_cell_angle_gamma                76.322(3)
_cell_formula_units_Z            2
_cell_length_a                   10.8434(8)
_cell_length_b                   11.4530(9)
_cell_length_c                   16.7944(12)
_cell_measurement_reflns_used    9416
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.171
_cell_measurement_theta_min      2.283
_cell_volume                     1910.8(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS  (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(1)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_unetI/netI     0.0261
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            62539
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.209
_diffrn_reflns_theta_min         2.435
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    10.094
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.1936
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1549 before and 0.0770 after correction.
The Ratio of minimum to maximum transmission is 0.2597.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    2.228
_exptl_crystal_description       plate
_exptl_crystal_F_000             1190
_exptl_crystal_size_max          0.435
_exptl_crystal_size_mid          0.381
_exptl_crystal_size_min          0.097
_refine_diff_density_max         2.711
_refine_diff_density_min         -2.947
_refine_diff_density_rms         0.281
_refine_ls_extinction_coef       0.00186(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     480
_refine_ls_number_reflns         8495
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0362
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0834P)^2^+7.4089P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1112
_refine_ls_wR_factor_ref         0.1128
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8108
_reflns_number_total             8495
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ra08783a1.cif
_cod_data_source_block           tr_51c_r1
_cod_database_code               7241899
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.441
_shelx_estimated_absorpt_t_min   0.097
_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. Others
 Sof(C36B)=1-FVAR(1)
 Sof(C36A)=FVAR(1)
3.a Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B)
3.b Aromatic/amide H refined with riding coordinates:
 C13(H13), C14(H14), C15(H15), C16(H16), C17(H17), C19(H19), C20(H20),
 C21(H21), C22(H22), C23(H23), C25(H25), C26(H26), C27(H27), C28(H28), C29(H29),
  C31(H31), C32(H32), C33(H33), C34(H34), C35(H35)
3.c Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C)
;
_shelx_res_checksum              64335
_olex2_submission_special_instructions 'No special instructions were received'