A novel samarium(ii) complex bearing a dianionic bis(phenolate) cyclam ligand: synthesis, structure and electron-transfer reactions.
Maria, Leonor; Soares, Marina; Santos, Isabel C.; Sousa, Vânia R; Mora, Elsa; Marçalo, Joaquim; Luzyanin, Konstantin V.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 3778–3790; doi:10.1039/c5dt04647e

data_7037989
_publ_section_title
;
 A novel samarium(ii) complex bearing a dianionic bis(phenolate) cyclam
 ligand: synthesis, structure and electron-transfer reactions.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3778
_journal_page_last               3790
_journal_paper_doi               10.1039/c5dt04647e
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C54 H82 N6 O2 Sm'
_chemical_formula_weight         997.61
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-11-24 deposited with the CCDC.
2016-01-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 104.623(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   17.906(5)
_cell_length_b                   14.892(5)
_cell_length_c                   21.375(5)
_cell_measurement_reflns_used    4434
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      12.91
_cell_measurement_theta_min      2.40
_cell_volume                     5515(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al, 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0860
_diffrn_reflns_av_sigmaI/netI    0.0405
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12014
_diffrn_reflns_theta_full        12.91
_diffrn_reflns_theta_max         12.91
_diffrn_reflns_theta_min         2.98
_exptl_absorpt_coefficient_mu    1.106
_exptl_absorpt_correction_T_max  0.8974
_exptl_absorpt_correction_T_min  0.7325
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.201
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2104
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.470
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     314
_refine_ls_number_reflns         1415
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0852
_refine_ls_R_factor_gt           0.0731
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1106P)^2^+ 3.4951P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2004
_refine_ls_wR_factor_ref         0.2070
_reflns_number_gt                1211
_reflns_number_total             1415
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt04647e2.cif
_cod_data_source_block           Complex6
_cod_depositor_comments
'Adding full bibliography for 7037985--7037989.cif.'
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7037989