Crystal architecture and physicochemical properties of felodipine solvates
Surov, Artem O.; Solanko, Katarzyna A.; Bond, Andrew D.; Bauer-Brandl, Annette; Perlovich, German L.; CrystEngComm 15 (2013) 6054–; doi:10.1039/c3ce40715b

data_7210315
_publ_section_title
;
 Crystal architecture and physicochemical properties of felodipine
 solvates
;
_journal_issue                   30
_journal_name_full               CrystEngComm
_journal_page_first              6054
_journal_paper_doi               10.1039/c3ce40715b
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C18 H19 Cl2 N O4, C4 H9 N O'
_chemical_formula_sum            'C22 H28 Cl2 N2 O5'
_chemical_formula_weight         471.36
_chemical_name_common            'Felodipine : N,N-dimethylacetamide (1:1)'
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 105.699(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1075(4)
_cell_length_b                   15.7970(7)
_cell_length_c                   16.6894(7)
_cell_measurement_reflns_used    9983
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.95
_cell_measurement_theta_min      2.66
_cell_volume                     2311.55(17)
_computing_cell_refinement       'SAINT v.7.68a (Bruker, 2010)'
_computing_data_collection       'APEX2 v2010.1-2 (Bruker, 2010)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL v.6.12 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Bruker Nonius X8APEX-II CCD'
_diffrn_measurement_method       '\w and \f 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  0.0271
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            30341
_diffrn_reflns_theta_full        28.36
_diffrn_reflns_theta_max         28.36
_diffrn_reflns_theta_min         3.62
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.316
_exptl_absorpt_correction_T_max  0.939
_exptl_absorpt_correction_T_min  0.841
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.585
_refine_diff_density_min         -0.427
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         5576
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0578
_refine_ls_R_factor_gt           0.0475
_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^)+(0.0709P)^2^+1.5042P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1343
_refine_ls_wR_factor_ref         0.1422
_reflns_number_gt                4624
_reflns_number_total             5576
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3ce40715b.txt
_cod_data_source_block           Fel_DMAA
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7210315