Lornoxicam Salts: Crystal Structures, Conformations, and Solubility
Suresh, Kuthuru; Nangia, Ashwini; Crystal Growth & Design 14 (2014) 2945–; doi:10.1021/cg500231z

data_4510596
_publ_section_title
;
 Lornoxicam Salts: Crystal Structures, Conformations, and Solubility
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2945
_journal_paper_doi               10.1021/cg500231z
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C13 H11 N3 O4 S2 Cl2'
_chemical_formula_sum            'C13 H11 Cl2 N3 O4 S2'
_chemical_formula_weight         408.27
_chemical_melting_point          448
_chemical_name_common            'Lornoxicam Hydrochloride salt'
_chemical_name_systematic
; 
 (3E)-6-chloro-3-[hydroxy(pyridin-2-ylamino)methylene]- 
2-methyl-2,3-dihydro-4H-thieno[2,3-e][1,2] thiazin-4-enol 1,1-dioxide) hydrochloride salt 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.8795(5)
_cell_length_b                   9.1606(8)
_cell_length_c                   26.201(2)
_cell_measurement_reflns_used    1320
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.3115
_cell_measurement_theta_min      2.7077
_cell_volume                     1651.2(2)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan  5 2010,16:28:46)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan  5 2010,16:28:46)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan  5 2010,16:28:46)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 16.3291
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       multi-scan
_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  0.0489
_diffrn_reflns_av_sigmaI/netI    0.1301
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            4783
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.71
_exptl_absorpt_coefficient_mu    0.670
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.68656
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan  5 2010,16:28:46)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.642
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.678
_refine_diff_density_min         -0.343
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.63(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.980
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3204
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.1345
_refine_ls_R_factor_gt           0.0707
_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^)+(0.0618P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1404
_refine_ls_wR_factor_ref         0.1586
_reflns_number_gt                1699
_reflns_number_total             3204
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg500231z_si_004.cif
_cod_data_source_block           LXM-HCL
_cod_depositor_comments
'Adding full bibliography for 4510592--4510596.cif.'
_cod_database_code               4510596