Acid-Induced Liberation of Polysubstituted Cyclopentadiene Ligands from Cyclopentadienyl Cobalt: A [2 + 2 + 1] Cycloaddition Route toward 1,2,4-Trisubstituted Cyclopentadienes.
Qin, Pengjin; Holland, Ryan L.; Bunker, Kevin D.; O'Connor, Joseph M; Baldridge, Kim K.; Rheingold, Arnold L.; The Journal of organic chemistry 84 (2019) 13992–14004; doi:10.1021/acs.joc.9b02182

data_4034569
_publ_section_title
;
 Acid-Induced Liberation of Polysubstituted Cyclopentadiene Ligands from
 Cyclopentadienyl Cobalt: A [2 + 2 + 1] Cycloaddition Route toward
 1,2,4-Trisubstituted Cyclopentadienes.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              13992
_journal_page_last               14004
_journal_paper_doi               10.1021/acs.joc.9b02182
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C4 H8 Co F6 O8'
_chemical_formula_sum            'C4 H8 Co F6 O8'
_chemical_formula_weight         357.03
_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   difmap
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-01-12
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5289)
;
_cell_angle_alpha                75.059(12)
_cell_angle_beta                 64.690(11)
_cell_angle_gamma                71.468(11)
_cell_formula_units_Z            2
_cell_length_a                   8.1249(14)
_cell_length_b                   9.0422(14)
_cell_length_c                   9.2650(15)
_cell_measurement_reflns_used    1392
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      23.337
_cell_measurement_theta_min      3.118
_cell_volume                     577.49(17)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2016)'
_computing_data_collection       'APEX3 v2016.1-0 (Bruker, 2016)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2016)'
_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_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_unetI/netI     0.0667
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4179
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.389
_diffrn_reflns_theta_min         2.400
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.603
_exptl_absorpt_correction_T_max  0.091642
_exptl_absorpt_correction_T_min  0.061194
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 TWINABS-2012/1 (Bruker,2012) was used for absorption correction.
 
For component 1:
 wR2(int) was 0.1522 before and 0.0451 after correction.
 The Ratio of minimum to maximum transmission not present.
 The \l/2 correction factor is Not present
 
For component 2:
 wR2(int) was 0.1464 before and 0.0453 after correction.
 The Ratio of minimum to maximum transmission is 0.68.
 The \l/2 correction factor is Not present

Final HKLF 4 output contains 16012 reflections, Rint = 0.0616
 (7262 with I > 3sig(I), Rint = 0.0432)
;
_exptl_crystal_colour            Red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    2.053
_exptl_crystal_description       Needle
_exptl_crystal_F_000             354
_exptl_crystal_size_max          0.131
_exptl_crystal_size_mid          0.054
_exptl_crystal_size_min          0.042
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.572
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         4179
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0784
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0446P)^2^+0.6807P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1087
_refine_ls_wR_factor_ref         0.1202
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3235
_reflns_number_total             4179
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b02182_si_002.cif
_cod_data_source_block           PQ_0331
_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/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_exptl_crystal_colour_primary' value 'Red' was changed to
'red' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/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 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        577.49(18)
_cod_database_code               4034569
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.936
_shelx_estimated_absorpt_t_min   0.817
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.486(2) 0.514(2)
2. Fixed Uiso
 At 1.5 times of:
  All O(H,H) groups
3.a Rotating group:
 O1S(H1SA,H1SB), O2S(H2SA,H2SB), O3S(H3SA,H3SB), O4S(H4SA,H4SB)
;
_shelx_res_checksum              71464
_shelx_hkl_checksum              55084
_olex2_submission_special_instructions 'No special instructions were received'