Chiral Alkaline Earth Metal Complexes Having M–Se Direct Bond (M = Mg, Ca, Sr, Ba): Syntheses, Structures and e-Caprolactone Polymerisation
Panda, Tarun Kanti Kanti; Kottalanka, Ravi K.; Harinath, A.; RSC Adv.  (2015) –; doi:10.1039/C5RA04495B

data_7220144
_publ_section_title
;
 Chiral Alkaline Earth Metal Complexes Having M--Se Direct Bond (M = Mg,
 Ca, Sr, Ba): Syntheses, Structures and e-Caprolactone Polymerisation
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA04495B
_journal_year                    2015
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C20 H20 N P Se'
_chemical_formula_sum            'C20 H20 N P Se'
_chemical_formula_weight         384.30
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-03-11 deposited with the CCDC.
2015-04-20 downloaded from the CCDC.
;
_cell_angle_alpha                106.872(16)
_cell_angle_beta                 107.869(16)
_cell_angle_gamma                103.345(15)
_cell_formula_units_Z            1
_cell_length_a                   6.0159(11)
_cell_length_b                   9.3867(17)
_cell_length_c                   9.5866(17)
_cell_measurement_reflns_used    2035
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      70.7703
_cell_measurement_theta_min      5.2598
_cell_volume                     461.65(18)
_computing_cell_refinement
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011CrysAlis171 .NET)(compiled Oct 27'
_computing_data_collection
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011CrysAlis171 .NET)(compiled Oct 27'
_computing_data_reduction
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011CrysAlis171 .NET)(compiled Oct 27'
_computing_molecular_graphics    'ORTEP III & Olex 2.1'
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0271
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3019
_diffrn_reflns_theta_full        70.94
_diffrn_reflns_theta_max         70.94
_diffrn_reflns_theta_min         5.26
_exptl_absorpt_coefficient_mu    3.545
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.25106
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)(compiled Oct 27'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             196
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.076
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2114
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0547
_refine_ls_R_factor_gt           0.0544
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1166P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1402
_refine_ls_wR_factor_ref         0.1417
_reflns_number_gt                2081
_reflns_number_total             2114
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c5ra04495b2.cif
_cod_data_source_block           1a
_cod_original_cell_volume        461.65(14)
_cod_original_sg_symbol_H-M      'P 1 '
_cod_database_code               7220144