Single Crystal X-ray Diffraction Studies of Two Polymorphic Modifications of the Dicarbonyl-<i>o</i>-Semiquinonato Rhodium Complex at Different Temperatures. Destruction Stimulated by Cooling Versus Stability.
Rumyantcev, Roman V.; Fukin, Georgy K.; Romanenko, Galina V.; Teplova, Irina A.; Bubnov, Michael P.; Cherkasov, Vladimir K.; ACS omega 5 (2020) 32792–32799; doi:10.1021/acsomega.0c05344

data_4518299
_publ_section_title
;
 Single Crystal X-ray Diffraction Studies of Two Polymorphic Modifications
 of the Dicarbonyl-<i>o</i>-Semiquinonato Rhodium Complex at Different
 Temperatures. Destruction Stimulated by Cooling Versus Stability.
;
_journal_issue                   50
_journal_name_full               'ACS omega'
_journal_page_first              32792
_journal_page_last               32799
_journal_paper_doi               10.1021/acsomega.0c05344
_journal_volume                  5
_journal_year                    2020
_chemical_formula_sum            'C16 H20 O4 Rh'
_chemical_formula_weight         379.23
_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     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                75.1696(10)
_cell_angle_beta                 82.3422(13)
_cell_angle_gamma                78.4758(12)
_cell_formula_units_Z            4
_cell_length_a                   6.5356(3)
_cell_length_b                   11.5341(4)
_cell_length_c                   22.7933(8)
_cell_measurement_reflns_used    9856
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      30.61
_cell_measurement_theta_min      3.19
_cell_volume                     1621.36(11)
_computing_cell_refinement       SAINT
_computing_data_collection       APEX3
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXL-2014/7
_computing_structure_solution    SHELXT-2014/5
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Quest (CMOS)'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0200
_diffrn_reflns_av_unetI/netI     0.0219
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            27370
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.662
_diffrn_reflns_theta_min         2.261
_diffrn_source                   'microfocus tube'
_exptl_absorpt_coefficient_mu    1.065
_exptl_absorpt_correction_T_max  0.8497
_exptl_absorpt_correction_T_min  0.6920
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2016/2
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.554
_exptl_crystal_description       prism
_exptl_crystal_F_000             772
_exptl_crystal_size_max          0.440
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.388
_refine_diff_density_min         -1.717
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         10016
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0332
_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^)+(0.0388P)^2^+0.7809P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0802
_refine_ls_wR_factor_ref         0.0865
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8115
_reflns_number_total             10016
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao0c05344_si_002.cif
_cod_data_source_block           1_170
_cod_depositor_comments
'Adding full bibliography for 4518296--4518313.cif.'
_cod_database_code               4518299
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.652
_shelx_estimated_absorpt_t_max   0.910
_shelx_res_checksum              74479
_shelx_hkl_checksum              79250