Conformational Analysis of a Model Synthetic Prodiginine
María García-Valverde; Ignacio Alfonso; David Quiñonero; Roberto Quesada; Journal of Organic Chemistry 77 (2012) 6538–6544; doi:10.1021/jo301008c

data_4027351
_publ_section_title
;
 Conformational Analysis of a Model Synthetic Prodiginine
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6538
_journal_page_last               6544
_journal_paper_doi               10.1021/jo301008c
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety
'C18 H22 N3 O, C16 H17 N3 O, 2(C H3 O3 S), C2 H5 '
_chemical_formula_sum            'C19 H25 N3 O4 S'
_chemical_formula_weight         782.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                83.838(2)
_cell_angle_beta                 86.955(2)
_cell_angle_gamma                89.422(2)
_cell_formula_units_Z            4
_cell_length_a                   9.5644(9)
_cell_length_b                   10.5005(10)
_cell_length_c                   19.7780(19)
_cell_measurement_reflns_used    2461
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      19.95
_cell_measurement_theta_min      2.31
_cell_volume                     1972.0(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_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  0.0643
_diffrn_reflns_av_sigmaI/netI    0.0791
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19585
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.04
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_description       prism
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.975
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     497
_refine_ls_number_reflns         6936
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.975
_refine_ls_R_factor_all          0.1151
_refine_ls_R_factor_gt           0.0644
_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^)+(0.0762P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1461
_refine_ls_wR_factor_ref         0.1728
_reflns_number_gt                4061
_reflns_number_total             6936
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo301008c_si_003.cif
_cod_data_source_block           c:\resolucion\da8-h\datosm
_cod_original_sg_symbol_Hall     -P1
_cod_database_code               4027351