Thermally reversible single-crystal to single-crystal transformation of mononuclear to dinuclear Zn(II) complexes by [2+2] cycloaddition reaction
Raghavender Medishetty; Terence Teck Sheng Yap; Lip Lin Koh; Jagadese J. Vittal; Chem.Commun. 49 (2013) 9567–; doi:10.1039/c3cc45706k

data_7109878
_publ_section_title
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 Thermally reversible single-crystal to single-crystal transformation of
 mononuclear to dinuclear Zn(II) complexes by [2+2] cycloaddition reaction
;
_journal_name_full               Chem.Commun.
_journal_page_first              9567
_journal_paper_doi               10.1039/c3cc45706k
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C52 H44 Br4 N4 Zn2'
_chemical_formula_weight         1175.29
_chemical_name_systematic
; 
 ? 
;
_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   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.437(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.5694(12)
_cell_length_b                   13.0123(16)
_cell_length_c                   19.216(2)
_cell_measurement_reflns_used    2850
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.53
_cell_measurement_theta_min      2.35
_cell_volume                     2392.0(5)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0581
_diffrn_reflns_av_sigmaI/netI    0.0611
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13276
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    4.383
_exptl_absorpt_correction_T_max  0.5629
_exptl_absorpt_correction_T_min  0.3158
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2008)'
_exptl_crystal_colour            Light_Yellow
_exptl_crystal_density_diffrn    1.632
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         2.109
_refine_diff_density_min         -0.566
_refine_diff_density_rms         0.197
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4200
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0840
_refine_ls_R_factor_gt           0.0641
_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^)+(0.0954P)^2^+11.9522P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1776
_refine_ls_wR_factor_ref         0.1879
_reflns_number_gt                3252
_reflns_number_total             4200
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc45706k.txt
_cod_data_source_block           compound_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'Not Measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7109878