t-Butyl-2-(3-thioxopyrido(2,1-c)(1,2,4)thiadiazol-8-yloxy)acetate
Rossi, S.; Kilburn, J. D.; Hursthouse, Michael B.; Douheret, D.; Coles, Simon J.; Crystal Structure Report Archive  (1999) 107–; doi:

data_1519206
_publ_section_title
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 t-Butyl-2-(3-thioxopyrido(2,1-c)(1,2,4)thiadiazol-8-yloxy)acetate
;
_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              107
_journal_year                    1999
_chemical_formula_sum            'C12 H14 N2 O3 S2'
_chemical_formula_weight         298.37
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 100.06(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.521(3)
_cell_length_b                   6.8270(10)
_cell_length_c                   13.574(3)
_cell_measurement_reflns_used    12963
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      2.67
_cell_volume                     1416.2(5)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_molecular_graphics    'CAMERON (Watkin, Pearce 1995)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Nonius KappaCCD Area Detector'
_diffrn_measurement_method       'Phi and Omega scans to fill Ewald Sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_sigmaI/netI    0.0587
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12963
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         2.67
_exptl_absorpt_coefficient_mu    0.381
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.888
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_colour            'light brown'
_exptl_crystal_density_diffrn    1.399
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.175
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.025
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.807
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         3159
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.807
_refine_ls_R_factor_all          0.0679
_refine_ls_R_factor_gt           0.0393
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1033
_refine_ls_wR_factor_ref         0.1218
_reflns_number_gt                2304
_reflns_number_total             3159
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-107.cif
_cod_data_source_block           99sot048
_cod_depositor_comments
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Citation :
Rossi, S. and Kilburn, J. D. and Hursthouse, Michael B. and Douheret, D. and 
Coles, Simon J. (1999) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/107)

More at:
http://ecrystals.chem.soton.ac.uk/107/

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 3105 2015-03-04 15:46:00Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1519206