Formation of N-oxido copper ethylenediaminetetraacetate and propanediaminetetraacetate and their selective degradation to iminodiacetate and propanediaminediacetate.
Yang, Yu-Chen; Wu, Rui; Yang, Min; Chen, Xi; Weng, Wei-Zheng; Zhou, Zhao-Hui; Dalton transactions (Cambridge, England : 2003) 48 (2019) 13388–13395; doi:10.1039/c9dt02355k

data_7700728
_publ_section_title
;
 Formation of N-oxido copper ethylenediaminetetraacetate and
 propanediaminetetraacetate and their selective degradation to
 iminodiacetate and propanediaminediacetate.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13388
_journal_page_last               13395
_journal_paper_doi               10.1039/c9dt02355k
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C10 H15 Cu K N2 O9'
_chemical_formula_sum            'C10 H15 Cu K N2 O9'
_chemical_formula_weight         409.88
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-09-01
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2017-09-05 deposited with the CCDC.    2019-08-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.1143(4)
_cell_length_b                   16.6561(10)
_cell_length_c                   23.7391(13)
_cell_measurement_reflns_used    1493
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      21.8660
_cell_measurement_theta_min      3.2290
_cell_volume                     2813.0(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XH (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1328
_diffrn_reflns_av_unetI/netI     0.0925
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            23149
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.99
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.901
_exptl_absorpt_correction_T_max  0.9630
_exptl_absorpt_correction_T_min  0.7023
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            blue
_exptl_crystal_colour_primary    blue
_exptl_crystal_density_diffrn    1.936
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.526
_refine_diff_density_min         -0.864
_refine_diff_density_rms         0.130
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3201
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.1022
_refine_ls_R_factor_gt           0.0683
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1567
_refine_ls_wR_factor_ref         0.1768
_reflns_number_gt                2441
_reflns_number_total             3201
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt02355k2.cif
_cod_data_source_block           p_CCDC2
_cod_depositor_comments
'Adding full bibliography for 7700725--7700729.cif.'
_cod_database_code               7700728
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups, All O(H,H,H) groups
2. Restrained distances
 O1W-H1W1 = O1W-H1W2
 0.85 with sigma of 0.01
 H1W1-H1W2
 1.39 with sigma of 0.01
3.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C4(H4A,H4B), C6(H6A,H6B), C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B)
;
_olex2_submission_special_instructions 'No special instructions were received'