Coordination chemistry of [2 + 2] Schiff-base macrocycles derived from the dianilines [(2-NH<sub>2</sub>C<sub>6</sub>H<sub>4</sub>)<sub>2</sub>X] (X = CH<sub>2</sub>CH<sub>2</sub>, O): structural studies and ROP capability towards cyclic esters.
Wang, Kuiyuan; Prior, Timothy J.; Hughes, David L.; Arbaoui, Abdessamad; Redshaw, Carl; Dalton transactions (Cambridge, England : 2003) 50 (2021) 8057–8069; doi:10.1039/d1dt00711d

data_7707351
_publ_section_title
;
 Coordination chemistry of [2 + 2] Schiff-base macrocycles derived from
 the dianilines
 [(2-NH<sub>2</sub>C<sub>6</sub>H<sub>4</sub>)<sub>2</sub>X] (X =
 CH<sub>2</sub>CH<sub>2</sub>, O): structural studies and ROP capability
 towards cyclic esters.
;
_journal_issue                   23
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8057
_journal_page_last               8069
_journal_paper_doi               10.1039/d1dt00711d
_journal_volume                  50
_journal_year                    2021
_chemical_formula_moiety
;
 	C12 H18 Co N6, 2(C2 H3 Br3 Co N), 2(C2 H3 N) 
;
_chemical_formula_sum            'C20 H30 Br6 Co3 N10'
_chemical_formula_weight         1066.79
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2021-01-05 deposited with the CCDC.	2021-05-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.941(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.34720(10)
_cell_length_b                   18.8457(3)
_cell_length_c                   12.5811(2)
_cell_measurement_reflns_used    26109
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.1460
_cell_measurement_theta_min      2.001
_cell_volume                     1871.96(5)
_computing_cell_refinement       'CrysAlisPro 1.171.39.34b (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.34b (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.34b (Rigaku OD, 2017)'
_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type
;
Rigaku FRE+ equipped with VHF Varimax confocal mirrors and 
an AFC12 goniometer and HyPix 6000 detector
;
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_unetI/netI     0.0111
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            48302
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.485
_diffrn_reflns_theta_min         2.024
_diffrn_source                   'Rotating-anode X-ray tube'
_exptl_absorpt_coefficient_mu    7.743
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.349
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.34b (Rigaku Oxford Diffraction, 2017)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear intense blue'
_exptl_crystal_density_diffrn    1.893
_exptl_crystal_description       block
_exptl_crystal_F_000             1022
_exptl_crystal_size_max          0.216
_exptl_crystal_size_mid          0.125
_exptl_crystal_size_min          0.105
_refine_diff_density_max         0.790
_refine_diff_density_min         -0.353
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.170
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         4301
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.170
_refine_ls_R_factor_all          0.0184
_refine_ls_R_factor_gt           0.0166
_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^)+(0.0112P)^2^+1.5992P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0362
_refine_ls_wR_factor_ref         0.0366
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4111
_reflns_number_total             4301
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt00711d2.cif
_cod_data_source_block           FeROP9
_cod_depositor_comments
'Adding full bibliography for 7707347--7707359.cif.'
_cod_original_cell_volume        1871.95(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7707351
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_min   0.286
_shelx_estimated_absorpt_t_max   0.497
_shelx_res_checksum              49462