Crystal structures of mirtazapine molecular salts
Sarma, Bipul; Thakuria, Ranjit; Nath, Naba K.; Nangia, Ashwini; CrystEngComm 13 (2011) 3232–; doi:10.1039/c0ce00746c

data_7205758
_publ_section_title
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 Crystal structures of mirtazapine molecular salts
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              3232
_journal_paper_doi               10.1039/c0ce00746c
_journal_volume                  13
_journal_year                    2011
_chemical_absolute_configuration syn
_chemical_formula_sum            'C21 H23 N3 O4'
_chemical_formula_weight         381.42
_chemical_name_systematic
;
?
;
_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                   8.930(3)
_cell_length_b                   9.877(3)
_cell_length_c                   22.497(6)
_cell_measurement_reflns_used    2613
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      18.76
_cell_measurement_theta_min      2.25
_cell_volume                     1984.3(10)
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0493
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            20643
_diffrn_reflns_theta_full        26.17
_diffrn_reflns_theta_max         26.17
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9876
_exptl_absorpt_correction_T_min  0.9806
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.277
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.121
_refine_diff_density_min         -0.130
_refine_diff_density_rms         0.026
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3949
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0458
_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^)+(0.0361P)^2^+0.1416P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0888
_refine_ls_wR_factor_ref         0.0964
_reflns_number_gt                2889
_reflns_number_total             3949
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00746c.txt
_cod_data_source_block           Mrtz-maleate
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_cell_volume        1984.4(10)
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               7205758