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_7220148
_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         ' C48 H54 N2 O2 P2 Se2 Sr'
_chemical_formula_sum            'C48 H54 N2 O2 P2 Se2 Sr'
_chemical_formula_weight         998.41
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                90
_cell_angle_beta                 115.038(7)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.5000(7)
_cell_length_b                   14.6217(4)
_cell_length_c                   13.9074(8)
_cell_measurement_reflns_used    4457
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      70.5362
_cell_measurement_theta_min      3.5079
_cell_volume                     2303.0(2)
_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      150(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.0397
_diffrn_reflns_av_sigmaI/netI    0.0597
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10051
_diffrn_reflns_theta_full        70.58
_diffrn_reflns_theta_max         70.58
_diffrn_reflns_theta_min         3.51
_exptl_absorpt_coefficient_mu    4.391
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71299
_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    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.680
_refine_diff_density_min         -0.805
_refine_diff_density_rms         0.132
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     517
_refine_ls_number_reflns         6833
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0602
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1189P)^2^+0.3956P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1622
_refine_ls_wR_factor_ref         0.1697
_reflns_number_gt                6321
_reflns_number_total             6833
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c5ra04495b2.cif
_cod_data_source_block           5a
_cod_original_sg_symbol_H-M      'P 21 '
_cod_original_formula_sum        ' C48 H54 N2 O2 P2 Se2 Sr'
_cod_database_code               7220148