Enantiomeric resolution and X-ray optical activity of a tricobalt extended metal atom chain.
Srinivasan, Anandi; Cortijo, Miguel; Bulicanu, Vladimir; Naim, Ahmad; Clérac, Rodolphe; Sainctavit, Philippe; Rogalev, Andrei; Wilhelm, Fabrice; Rosa, Patrick; Hillard, Elizabeth A.; Chemical science 9 (2018) 1136–1143; doi:10.1039/c7sc04131d

data_1548390
_publ_section_title
;
 Enantiomeric resolution and X-ray optical activity of a tricobalt
 extended metal atom chain.
;
_journal_issue                   5
_journal_name_full               'Chemical science'
_journal_page_first              1136
_journal_page_last               1143
_journal_paper_doi               10.1039/c7sc04131d
_journal_volume                  9
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety
'C44 H38 Co3 N14, 2(C8 H4 As2 O12), 2(C16 H36 N) [+solvent]'
_chemical_formula_sum            'C92 H118 As4 Co3 N16 O24'
_chemical_formula_weight         2308.49
_chemical_melting_point          ?
_chemical_name_common
'[Delta-Co3(dpa)4(MeCN)2[As2(Lambda-tart)2]2[TBA]2'
_space_group_crystal_system      tetragonal
_space_group_IT_number           90
_space_group_name_Hall           'P 4ab 2ab'
_space_group_name_H-M_alt        'P 4 21 2'
_symmetry_space_group_name_Hall  'P 4ab 2ab'
_symmetry_space_group_name_H-M   'P 4 21 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-09-14 deposited with the CCDC.
2017-12-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   20.6481(10)
_cell_length_b                   20.6481(10)
_cell_length_c                   16.8896(9)
_cell_measurement_reflns_used    9656
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.16
_cell_measurement_theta_min      2.21
_cell_volume                     7200.8(6)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'WinGX (Farrugia, 2012)'
_computing_publication_material  'SHELXL-2016/4 (Sheldrick, 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS2013 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0462
_diffrn_reflns_av_unetI/netI     0.0122
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            265380
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.373
_diffrn_reflns_theta_min         1.395
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    1.309
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.065
_exptl_crystal_description       plate
_exptl_crystal_F_000             2374
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.256
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details
;
 Flack x determined using 2622 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.0075(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         6625
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0198
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0282P)^2^+1.5005P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0502
_refine_ls_wR_factor_ref         0.0512
_reflns_Friedel_coverage         0.761
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                6240
_reflns_number_total             6625
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc04131d2.cif
_cod_data_source_block           compound_2_delta_120_K
_cod_depositor_comments
;
The following automatic conversions were performed:

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

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1548387--1548390.cif.
;
_cod_original_cell_volume        7200.8(8)
_cod_database_code               1548390
_shelx_shelxl_version_number     2014/7
_exptl_absorpt_special_details   'SADABS; Bruker, 2003'
_shelx_res_checksum              72601
_shelx_fab_checksum              94935