Coligand modifications fine-tuned the structure and magnetic properties of two triple-bridged azido-Cu(ii) chain compounds exhibiting ferromagnetic ordering and slow relaxation.
Liu, Xiangyu; Li, Feifei; Ma, Xiaohui; Cen, Peipei; Luo, Shuchang; Shi, Quan; Ma, Shenru; Wu, Yuewei; Zhang, Chengcheng; Xu, Zhao; Song, Weiming; Xie, Gang; Chen, Sanping; Dalton transactions (Cambridge, England : 2003) 46 (2017) 1207–1217; doi:10.1039/c6dt04108f

data_7041531
_publ_section_title
;
 Coligand modifications fine-tuned the structure and magnetic properties
 of two triple-bridged azido-Cu(ii) chain compounds exhibiting
 ferromagnetic ordering and slow relaxation.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1207
_journal_page_last               1217
_journal_paper_doi               10.1039/c6dt04108f
_journal_volume                  46
_journal_year                    2017
_chemical_formula_moiety         'C7 H4 Cu F N3 O2, C H4 O'
_chemical_formula_sum            'C8 H8 Cu F N3 O3'
_chemical_formula_weight         276.71
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-12-20
_audit_creation_method
;
Olex2 1.2-dev
(compiled 2016.11.22 svn.r3360 for OlexSys, GUI svn.r3563)
;
_audit_update_record
;
2016-12-21 deposited with the CCDC.
2016-12-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.410(3)
_cell_length_b                   7.512(3)
_cell_length_c                   22.879(10)
_cell_measurement_reflns_used    5299
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.580
_cell_measurement_theta_min      2.854
_cell_volume                     1101.7(8)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0205
_diffrn_reflns_av_unetI/netI     0.0173
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            10760
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.696
_diffrn_reflns_theta_min         2.854
_exptl_absorpt_coefficient_mu    1.991
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    1.668
_exptl_crystal_description       strip
_exptl_crystal_F_000             556
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.45(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         2576
_refine_ls_number_restraints     114
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0309
_refine_ls_R_factor_gt           0.0248
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0318P)^2^+0.4669P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0634
_refine_ls_wR_factor_ref         0.0663
_reflns_Friedel_coverage         0.695
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                2249
_reflns_number_total             2576
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt04108f2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7041530--7041531.cif.'
_cod_database_code               7041531
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.741
_shelx_estimated_absorpt_t_min   0.716
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.55(3) 0.45(3)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All O(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3. Uiso/Uaniso restraints and constraints
Uanis(F1) \\sim Ueq, Uanis(F1') \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.02
4. Rigid body (RIGU) restrains
 C3, Cu1, O2, N1, C1, N2, C2, O0AA, N3, C7, F1, C4, F1', C6, C5
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
5. Others
 Fixed Sof: H3(0.15) H7(0.85) F1(0.85) F1'(0.15)
6.a Riding coordinates:
 O3(H3A)
6.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C7(H7)
6.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C)
;
_olex2_submission_special_instructions 'No special instructions were received'