6-Chloro-2-(dibromomethyl)pyridine
Ming-Xiang Qiu; Min-Zhang; Acta Crystallographica Section E 62 (2006) o449–o450; doi:10.1107/S160053680504287X

data_2208044
_publ_section_title
;
 6-Chloro-2-(dibromomethyl)pyridine
;
_journal_coeditor_code           DN6286
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o449
_journal_page_last               o450
_journal_paper_doi               10.1107/S160053680504287X
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C6 H4 Br2 Cl N'
_chemical_formula_moiety         'C6 H4 Br2 Cl N'
_chemical_formula_sum            'C6 H4 Br2 Cl N'
_chemical_formula_weight         285.37
_chemical_name_systematic
;
6-Chloro-2-(dibromomethyl)pyridine
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.839(3)
_cell_length_b                   7.0388(12)
_cell_length_c                   7.9745(14)
_cell_measurement_reflns_used    2146
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.67
_cell_measurement_theta_min      2.75
_cell_volume                     832.9(3)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics
;
ORTEPIII (Burnett & Johnson, 1996) and ORTEP-3 for Windows (Farrugia,
1997)
;
_computing_publication_material  'SHELXTL (Bruker, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0278
_diffrn_reflns_av_sigmaI/netI    0.0209
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4261
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.90
_exptl_absorpt_coefficient_mu    9.974
_exptl_absorpt_correction_T_max  0.16
_exptl_absorpt_correction_T_min  0.06
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.491
_refine_diff_density_min         -0.426
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.126
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     58
_refine_ls_number_reflns         803
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.0252
_refine_ls_R_factor_gt           0.0222
_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^)+(0.0267P)^2^+0.4103P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0533
_refine_ls_wR_factor_ref         0.0545
_reflns_number_gt                725
_reflns_number_total             803
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn6286.cif
_cod_data_source_block           I
_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 1527 2010-12-29 10:47:43Z saulius 

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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2208044
_cod_database_fobs_code          2208044