Synthesis of Polyynes Using Dicobalt Masking Groups.
Kohn, Daniel R.; Gawel, Przemyslaw; Xiong, Yaoyao; Christensen, Kirsten E.; Anderson, Harry L.; The Journal of organic chemistry 83 (2018) 2077–2086; doi:10.1021/acs.joc.7b03015

data_4035009
_publ_section_title
;
 Synthesis of Polyynes Using Dicobalt Masking Groups.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2077
_journal_page_last               2086
_journal_paper_doi               10.1021/acs.joc.7b03015
_journal_volume                  83
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C47 H52 Co2 O4 P2 Si2'
_chemical_formula_sum            'C47 H52 Co2 O4 P2 Si2'
_chemical_formula_weight         916.91
_chemical_melting_point          ?
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     other
_audit_creation_date             2017-02-13
_audit_creation_method           CRYSTALS_ver_14.61_build_6156
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.1381(1)
_cell_length_b                   15.8779(1)
_cell_length_c                   20.5634(2)
_cell_measurement_reflns_used    5813
_cell_measurement_temperature    150
_cell_measurement_theta_max      27
_cell_measurement_theta_min      5
_cell_volume                     4616.14(6)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'Superflip (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.052
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            85558
_diffrn_reflns_theta_full        27.484
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         5.121
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.881
_exptl_absorpt_correction_T_max  0.81
_exptl_absorpt_correction_T_min  0.77
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            clear_intense_red
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1912
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.54
_refine_diff_density_min         -0.38
_refine_ls_abs_structure_details 'Flack (1983), 4735 Friedel-pairs'
_refine_ls_abs_structure_Flack   -0.016(9)
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     515
_refine_ls_number_reflns         10526
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0371
_refine_ls_R_factor_gt           0.0296
_refine_ls_shift/su_max          0.0007692
_refine_ls_shift/su_mean         0.0000387
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.03P)^2^ + 2.22P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0683
_refine_ls_wR_factor_gt          0.0641
_refine_ls_wR_factor_ref         0.0683
_reflns_limit_h_max              18
_reflns_limit_h_min              -18
_reflns_limit_k_max              20
_reflns_limit_k_min              0
_reflns_limit_l_max              26
_reflns_limit_l_min              0
_reflns_number_gt                9363
_reflns_number_total             10526
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   1.52
_oxford_diffrn_Wilson_scale      22.17
_oxford_refine_ls_r_factor_ref   0.0371
_oxford_refine_ls_scale          0.21858(7)
_oxford_reflns_number_all        10526
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title 6707/001drk15
_cod_data_source_file            jo7b03015_si_002.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'not measured' was changed
to '?' -- the value is undefined or not given.

data item '_atom_sites_solution_primary' value 'Other' was changed to
'other' 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_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               4035009