Assembly of encapsulated water in hybrid bisamides: helical and zigzag water chains
Bera, Santu; Maity, Sibaprasad; Haldar, Debasish; CrystEngComm 17 (2015) 1569–; doi:10.1039/C4CE01950D

data_7219158
_publ_section_title
;
 Assembly of encapsulated water in hybrid bisamides: helical and zigzag
 water chains
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              1569
_journal_paper_doi               10.1039/C4CE01950D
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C19 H20 N4 O6, H2 O'
_chemical_formula_sum            'C19 H22 N4 O7'
_chemical_formula_weight         418.41
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-11-21 deposited with the CCDC.
2014-12-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   21.196(11)
_cell_length_b                   4.605(3)
_cell_length_c                   10.551(6)
_cell_measurement_reflns_used    3102
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.24
_cell_measurement_theta_min      2.72
_cell_volume                     1029.9(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0410
_diffrn_reflns_av_sigmaI/netI    0.0267
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14229
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_meas      1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.425
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.172
_refine_diff_density_max         0.115
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(1)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.833
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         1846(1122)
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.833
_refine_ls_R_factor_all          0.0553
_refine_ls_R_factor_gt           0.0379
_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^)+(0.0918P)^2^+0.1440P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1020
_refine_ls_wR_factor_ref         0.1193
_reflns_number_gt                1406
_reflns_number_total             1846
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01950d2.cif
_cod_data_source_block           sb1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 7219156--7219159.cif.
;
_cod_original_sg_symbol_H-M      'P2(1)2(1)2 '
_cod_database_code               7219158
_exptl_crystal_f_000'            440.24