Reversible single-crystal to single-crystal transformations in a Hg(II) derivative. 1D-polymeric chain <=>2D-networking as a function of temperature.
Mobin, Shaikh M.; Srivastava, Ashwini K.; Mathur, Pradeep; Lahiri, Goutam Kumar; Dalton transactions (Cambridge, England : 2003) 39 (2010) 8698–8705; doi:10.1039/c0dt00085j

data_7025972
_publ_section_title
;
 Reversible single-crystal to single-crystal transformations in a Hg(II)
 derivative. 1D-polymeric chain &lt;=&gt;2D-networking as a function of
 temperature.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8698
_journal_page_last               8705
_journal_paper_doi               10.1039/c0dt00085j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C7 H9 Cl4 Hg2 N O'
_chemical_formula_weight         666.13
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                75.965(14)
_cell_angle_beta                 78.872(15)
_cell_angle_gamma                87.877(14)
_cell_formula_units_Z            2
_cell_length_a                   7.4719(14)
_cell_length_b                   9.6025(15)
_cell_length_c                   9.6934(17)
_cell_measurement_reflns_used    2619
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      32.5621
_cell_measurement_theta_min      3.4455
_cell_volume                     662.0(2)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.,'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_molecular_graphics    Ortep3
_computing_publication_material  Shelx97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 15.9948
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.893
_diffrn_measurement_device_type  'OXFORD DIFFRACTION XCALIBUR-S'
_diffrn_measurement_method       \w/q-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0456
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8766
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         32.63
_diffrn_reflns_theta_min         3.46
_exptl_absorpt_coefficient_mu    23.942
_exptl_absorpt_correction_T_max  0.0815
_exptl_absorpt_correction_T_min  0.0524
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.21
_refine_diff_density_max         2.248
_refine_diff_density_min         -3.209
_refine_diff_density_rms         0.250
_refine_ls_extinction_coef       0.0048(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.878
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         4329
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.878
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0712P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1160
_reflns_number_gt                2605
_reflns_number_total             4329
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00085j.txt
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_database_code               7025972