An organometallic complex revealing an unexpected, reversible, temperature induced SC–SC transformation
Taylor, Rupert G. D.; Yeo, Benjamin R.; Hallett, Andrew J.; Kariuki, Benson M.; Pope, Simon J. A.; CrystEngComm 16 (2014) 4641–; doi:10.1039/c4ce00070f

data_7215260
_publ_section_title
;
 An organometallic complex revealing an unexpected, reversible,
 temperature induced SC--SC transformation
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              4641
_journal_paper_doi               10.1039/c4ce00070f
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C12 H9 Br N2 O'
_chemical_formula_sum            'C12 H9 Br N2 O'
_chemical_formula_weight         277.12
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_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                 104.327(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.8722(4)
_cell_length_b                   4.9256(2)
_cell_length_c                   17.5710(5)
_cell_measurement_reflns_used    2138
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.54
_cell_volume                     1079.41(6)
_computing_cell_refinement       DENZO/SCALEPACK
_computing_data_collection       'cOLLECT,Nonius BV, 1997-2001'
_computing_data_reduction        DENZO/SCALEPACK
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SHELXs-97
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       CCD
_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  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0421
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            3995
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.54
_exptl_absorpt_coefficient_mu    3.786
_exptl_absorpt_correction_T_max  0.6005
_exptl_absorpt_correction_T_min  0.3964
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Denzo/Scalepack
_exptl_crystal_density_diffrn    1.705
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.384
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.088
_refine_ls_extinction_coef       0.0277(19)
_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   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         2464
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0367P)^2^+1.3589P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0815
_refine_ls_wR_factor_ref         0.0861
_reflns_number_gt                2138
_reflns_number_total             2464
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00070f2.cif
_cod_data_source_block           bmk1004
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7215250--7215263.cif.
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_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               7215260