A designed and potentially decadentate ligand for use in lanthanide(iii) catalysed biomass transformations: targeting diastereoselective trans-4,5-diaminocyclopentenone derivatives.
Peewasan, Krisana; Merkel, Marcel P.; Fuhr, Olaf; Powell, Annie K.; Dalton transactions (Cambridge, England : 2003) 49 (2020) 2331–2336; doi:10.1039/d0dt00183j

data_7703354
_publ_section_title
;
 A designed and potentially decadentate ligand for use in lanthanide(iii)
 catalysed biomass transformations: targeting diastereoselective
 trans-4,5-diaminocyclopentenone derivatives.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2331
_journal_page_last               2336
_journal_paper_doi               10.1039/d0dt00183j
_journal_volume                  49
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C34 H34 Br2 N12 O8 Sm, N O3, 3(C2 H3 N)'
_chemical_formula_sum            'C40 H43 Br2 N16 O11 Sm'
_chemical_formula_weight         1234.07
_space_group_crystal_system      hexagonal
_space_group_IT_number           178
_space_group_name_Hall           'P 61 2 (0 0 5)'
_space_group_name_H-M_alt        'P 61 2 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2018-10-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-01-21 deposited with the CCDC.	2020-01-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   13.00110(10)
_cell_length_b                   13.00110(10)
_cell_length_c                   46.6691(4)
_cell_measurement_reflns_used    193153
_cell_measurement_temperature    150.15
_cell_measurement_theta_max      66.90
_cell_measurement_theta_min      2.47
_cell_volume                     6831.57(9)
_computing_cell_refinement
;
X-Area Recipe 1.33.0.0 (STOE, 2015)
;
_computing_data_collection
;
X-Area Pilatus3_SV 1.31.150.0 (STOE, 2018)
;
_computing_data_reduction
;
X-Area Integrate 1.73.1.0 (STOE, 2018)
X-Area LANA 1.73.2.0 (STOE, 2018)
;
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.15
_diffrn_detector                 'Eiger R 4M'
_diffrn_detector_area_resol_mean 13.33
_diffrn_detector_type            DECTRIS
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Eulerian 4-circle diffractometer'
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_collimation    '1.2 0.6 mm diameter'
_diffrn_radiation_monochromator  'Graded multilayer mirror'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34143
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_unetI/netI     0.0097
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       63
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            90987
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        53.597
_diffrn_reflns_theta_max         66.413
_diffrn_reflns_theta_min         3.415
_diffrn_source                   'Metaljet D2'
_diffrn_source_current           2.860
_diffrn_source_power             0.200
_diffrn_source_target            Ga
_diffrn_source_type              'Metaljet D2'
_diffrn_source_voltage           70
_exptl_absorpt_coefficient_mu    8.544
_exptl_absorpt_correction_T_max  0.1993
_exptl_absorpt_correction_T_min  0.0383
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE LANA, absorption correction by scaling of reflection intensities.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, "Comparison of different
absorption corrections on the model structure of tetrakis(\m~2~-acetato)-
diaqua-di-copper(II)", Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
Afterwards a spherical absorption correction was performed within STOE LANA.
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.800
_exptl_crystal_description       block
_exptl_crystal_F_000             3690
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.488
_refine_diff_density_min         -0.506
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.023(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     320
_refine_ls_number_reflns         6066
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0242
_refine_ls_R_factor_gt           0.0235
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0451P)^2^+2.7612P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0649
_refine_ls_wR_factor_ref         0.0655
_reflns_Friedel_coverage         0.664
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                5918
_reflns_number_total             6066
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00183j2.cif
_cod_data_source_block           kp263
_cod_depositor_comments
'Adding full bibliography for 7703352--7703355.cif.'
_cod_original_cell_volume        6831.56(12)
_cod_original_sg_symbol_Hall     'P 61 2 (0 0 -1)'
_cod_database_code               7703354
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.361
_shelx_estimated_absorpt_t_min   0.280
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.977(3)
 0.023(3)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3. Others
 Fixed Sof: N9(0.5) C20(0.5) C21(0.5) H21A(0.5) H21B(0.5) H21C(0.5)
4.a Ternary CH refined with riding coordinates:
 N1(H1)
4.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C3(H3A,H3B)
4.c Aromatic/amide H refined with riding coordinates:
 N3(H3), N5(H5), C7(H7), C9(H9), C10(H10), C14(H14), C15(H15), C16(H16),
 C17(H17)
4.d Idealised Me refined as rotating group:
 C2(H2A,H2B,H2C), C19(H19A,H19B,H19C), C21(H21A,H21B,H21C)
;
_shelx_res_checksum              95500
_olex2_submission_special_instructions 'No special instructions were received'