Synthesis and structure of a new layered zinc phosphite (C5H6N2)Zn(HPO3) containing helical chains
Liang, Jing; Wang, Yu; Yu, Jihong; Li, Yi; Xu, Ruren; Chemical Communications (Cambridge, United Kingdom)  (2003) 882–883; doi:10.1039/b212181f

data_7104039
_publ_section_title
;
 Synthesis and structure of a new layered zinc phosphite (C5H6N2)Zn(HPO3)
 containing helical chains
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   7
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              882
_journal_page_last               883
_journal_paper_doi               10.1039/b212181f
_journal_year                    2003
_chemical_formula_sum            'C5 H7 N2 O3 P Zn'
_chemical_formula_weight         239.47
_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                 111.585(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3477(4)
_cell_length_b                   7.1079(3)
_cell_length_c                   10.4259(4)
_cell_measurement_temperature    293(2)
_cell_volume                     781.96(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0710
_diffrn_reflns_av_sigmaI/netI    0.0485
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3557
_diffrn_reflns_theta_full        23.24
_diffrn_reflns_theta_max         23.24
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    3.309
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.034
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.390
_refine_diff_density_min         -0.561
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.686
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1113
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.686
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0308
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0809
_refine_ls_wR_factor_ref         0.0861
_reflns_number_gt                966
_reflns_number_total             1113
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b212181f.txt
_cod_data_source_block           a
_cod_depositor_comments
;
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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7104039