Photoreactivity of polymorphs of a ladder polymer with criss-cross and parallel orientations of C[double bond, length as m-dash]C bonds
Anjana Chanthapally; Wei Ting Oh; Jagadese J. Vittal; Chem.Commun. 50 (2014) 451–; doi:10.1039/c3cc47816e

data_7110218
_publ_section_title
;
 Photoreactivity of polymorphs of a ladder polymer with criss-cross and
 parallel orientations of C[double bond, length as m-dash]C bonds
;
_journal_name_full               Chem.Commun.
_journal_page_first              451
_journal_paper_doi               10.1039/c3cc47816e
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C28 H24 N2 O4 Zn'
_chemical_formula_weight         517.86
_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                87.864(12)
_cell_angle_beta                 74.045(12)
_cell_angle_gamma                81.843(12)
_cell_formula_units_Z            2
_cell_length_a                   10.208(7)
_cell_length_b                   10.368(7)
_cell_length_c                   11.703(8)
_cell_measurement_reflns_used    888
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.83
_cell_measurement_theta_min      2.68
_cell_volume                     1178.8(14)
_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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0587
_diffrn_reflns_av_sigmaI/netI    0.0800
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13686
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    1.080
_exptl_absorpt_correction_T_max  0.8997
_exptl_absorpt_correction_T_min  0.6142
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.459
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Thin_Plate
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.268
_refine_diff_density_min         -0.863
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         5400
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0775
_refine_ls_R_factor_gt           0.0498
_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^)+(0.0688P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1166
_refine_ls_wR_factor_ref         0.1267
_reflns_number_gt                3969
_reflns_number_total             5400
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc47816e.txt
_cod_data_source_block           compound4
_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_cell_volume        1178.8(13)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7110218