Aminotroponiminate calcium and strontium complexes
Datta, Simmi; Gamer, Michael T.; Roesky, Peter W.; Dalton Transactions  (2008) 2839–2843; doi:10.1039/b719552d

data_7003779
_publ_section_title
;
 Aminotroponiminate calcium and strontium complexes
;
_journal_issue                   21
_journal_name_full               'Dalton Transactions'
_journal_page_first              2839
_journal_page_last               2843
_journal_paper_doi               10.1039/b719552d
_journal_year                    2008
_chemical_formula_moiety         'C23 H31 Ca N3 O'
_chemical_formula_sum            'C23 H31 Ca N3 O'
_chemical_formula_weight         405.59
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_cell_angle_alpha                85.627(8)
_cell_angle_beta                 77.814(7)
_cell_angle_gamma                83.535(8)
_cell_formula_units_Z            2
_cell_length_a                   9.2527(8)
_cell_length_b                   9.6709(10)
_cell_length_c                   13.0943(11)
_cell_measurement_temperature    200(2)
_cell_volume                     1136.36(18)
_computing_cell_refinement       'STOE X-AREA, PLATON (A.L.Spek, 2005)'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED, PLATON (A.L.Spek, 2005)'
_computing_molecular_graphics    'Diamond 2.1e'
_computing_publication_material  'X-STEP32, Microsoft Word'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0553
_diffrn_reflns_av_sigmaI/netI    0.0510
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8961
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.72
_exptl_absorpt_coefficient_mu    0.293
_exptl_absorpt_correction_T_max  0.9646
_exptl_absorpt_correction_T_min  0.9154
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'STOE X-RED & X-SHAPE'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.185
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             436
_exptl_crystal_size_max          0.376
_exptl_crystal_size_mid          0.217
_exptl_crystal_size_min          0.061
_refine_diff_density_max         0.636
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     258
_refine_ls_number_reflns         3997
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0497
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0877P)^2^+0.0315P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1289
_refine_ls_wR_factor_ref         0.1379
_reflns_number_gt                3131
_reflns_number_total             3997
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b719552d.txt
_cod_data_source_block           3
_cod_database_code               7003779