A Systematic Experimental and Theoretical Study of the Crystalline State of Six Chloronitrobenzenes
Barnett, Sarah A.; Johnston, Andrea; Florence, Alastair J.; Price, Sarah L.; Tocher, Derek A.; Crystal Growth & Design 8 (2008) 24–; doi:10.1021/cg070131c

data_4503059
_publ_section_title
;
 A Systematic Experimental and Theoretical Study of the Crystalline State
 of Six Chloronitrobenzenes
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              24
_journal_paper_doi               10.1021/cg070131c
_journal_volume                  8
_journal_year                    2008
_chemical_formula_moiety         'C6 H3 Cl2 N O2'
_chemical_formula_sum            'C6 H3 Cl2 N O2'
_chemical_formula_weight         191.99
_chemical_name_systematic
;
 1-nitro-2,4-Dichlorobenzene
;
_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   'difference Fourier synthesis'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 118.235(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.682(3)
_cell_length_b                   3.7484(5)
_cell_length_c                   20.961(3)
_cell_measurement_reflns_used    7916
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.263
_cell_measurement_theta_min      2.206
_cell_volume                     1431.6(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0392
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            12576
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.14
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.845
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.714
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.10'
_exptl_crystal_colour            'Pale Yellow'
_exptl_crystal_density_diffrn    1.782
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Column cut from needle'
_exptl_crystal_F_000             768
_exptl_crystal_size_max          1.17
_exptl_crystal_size_mid          0.46
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.359
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.124
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3354
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.124
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.0317
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0297P)^2^+1.0149P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0825
_refine_ls_wR_factor_ref         0.0836
_reflns_number_gt                3186
_reflns_number_total             3870
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg070131c-file003.cif
_cod_data_source_block           STR0397
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'direct methods' was changed to
'direct'.

'_atom_sites_solution_hydrogens' value 'geometrically placed' was
changed to 'geom'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4503059