Crystal engineering using co‐crystallisation of phenazine with dicarboxylic acids
Batchelor, Elaine; Klinowski, Jacek; Jones, William; Journal of Materials Chemistry 10 (2000) 839–; doi:10.1039/a908214j

data_7204917
_publ_section_title
;
 Crystal engineering using co&#x2010;crystallisation of phenazine with
 dicarboxylic acids
;
_journal_issue                   4
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              839
_journal_paper_doi               10.1039/a908214j
_journal_volume                  10
_journal_year                    2000
_chemical_formula_moiety         'C12 H8 N2, C4 H4 O4'
_chemical_formula_sum            'C16 H12 N2 O4'
_chemical_formula_weight         296.28
_chemical_name_common            'Phenazine fumaric acid'
_chemical_name_systematic
; 
 dibenzopyrazine trans-2-butenedioc acid 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 98.871(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.3361(6)
_cell_length_b                   8.7650(8)
_cell_length_c                   14.9520(10)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      15
_cell_volume                     690.95(11)
_computing_cell_refinement       'CAD4, SETANG <Enraf Nonius>'
_computing_data_collection       'CAD4 <Enraf Nonius>'
_computing_data_reduction
'TEXSAN <Molecular Structure Corporation, 1995>'
_computing_molecular_graphics
'TEXSAN <Molecular Structure Corporation, 1995>'
_computing_publication_material  'SHELXS-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0141
_diffrn_reflns_av_sigmaI/netI    0.0172
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1261
_diffrn_reflns_theta_full        24.94
_diffrn_reflns_theta_max         24.94
_diffrn_reflns_theta_min         2.70
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  3600
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9794
_exptl_absorpt_correction_T_min  0.9594
_exptl_crystal_colour            orange-yellow
_exptl_crystal_density_diffrn    1.424
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.133
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     106
_refine_ls_number_reflns         1212
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0340
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0595P)^2^+0.1602P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0918
_refine_ls_wR_factor_ref         0.1011
_reflns_number_gt                1005
_reflns_number_total             1212
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            a908214j.txt
_cod_data_source_block           2c
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
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_cod_database_code               7204917