#------------------------------------------------------------------------------
#$Date: 2016-02-19 23:18:51 +0100 (vie 19 de feb de 2016) $
#$Revision: 176760 $
#$URL: svn://www.crystallography.net/cod/cif/2/01/39/2013921.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2013921
loop_
_publ_author_name
'Naumova, Marina I.'
'Kuratieva, Natalia V.'
'Podberezskaya, Nina V.'
'Naumov, Dmitry Yu.'
_publ_section_title
;
 The alkali hypophosphites KH₂PO₂, RbH₂PO₂ and CsH₂PO₂
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              i53
_journal_page_last               i55
_journal_paper_doi               10.1107/S0108270104002409
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'Rb H2 P O2'
_chemical_formula_moiety         'H2 O2 P , Rb'
_chemical_formula_structural     'Rb H2 P O2'
_chemical_formula_sum            'H2 O2 P Rb'
_chemical_formula_weight         150.46
_chemical_name_common            'Rubidium hypophosphite'
_chemical_name_systematic
;
Rubidium hypophosphite
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9835(9)
_cell_length_b                   6.3678(7)
_cell_length_c                   7.5755(11)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      14.23
_cell_measurement_theta_min      9.91
_cell_volume                     385.12(8)
_computing_cell_refinement       CD4CA0
_computing_data_collection       'CD4CA0 (Enraf-Nonius, 1989)'
_computing_data_reduction        'CADDAT (Enraf-Nonius, 1989)'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson, 1996)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(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       2θ/θ
_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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0447
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            732
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         24.89
_diffrn_reflns_theta_min         3.71
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    13.062
_exptl_absorpt_correction_T_max  0.593
_exptl_absorpt_correction_T_min  0.095
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(CADDAT; Enraf-Nonius, 1989)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.595
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             280
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.577
_refine_diff_density_min         -0.584
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     27
_refine_ls_number_reflns         366
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.962
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0232
_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/[σ²(Fo²)+(0.026P)²] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0522
_refine_ls_wR_factor_ref         0.0567
_reflns_number_gt                289
_reflns_number_total             366
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            bc1035.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Yes' changed to 'yes' according
to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (4 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

'_geom_bond_publ_flag'
value 'Yes' changed to 'yes' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (4
times).

'_geom_angle_publ_flag' value 'Yes' changed to 'yes'
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_values 1715 2011-07-08 13:25:40Z adriana 

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_database_code               2013921
_cod_database_fobs_code          2013921
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'-x, y+1/2, -z'
'x+1/2, -y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, y, -z-1/2'
'x, -y-1/2, z'
'-x-1/2, y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
_atom_site_type_symbol
Rb 0.63134(9) 0.2500 0.13795(8) 0.0322(3) Uani d S 1 . . Rb
P 0.3847(3) 0.7500 0.3289(2) 0.0343(4) Uani d S 1 . . P
H1 0.491(10) 0.7500 0.437(8) 0.041 Uiso d S 1 . . H
H2 0.255(9) 0.7500 0.439(9) 0.041 Uiso d S 1 . . H
O 0.3797(5) 0.5504(4) 0.2297(4) 0.0434(8) Uani d . 1 . . O
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Rb 0.0286(4) 0.0313(4) 0.0368(4) 0.000 -0.0015(4) 0.000
P 0.0356(10) 0.0335(8) 0.0336(9) 0.000 0.0024(10) 0.000
O 0.0471(19) 0.0297(15) 0.0533(19) 0.000(2) 0.0100(19) -0.0003(15)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
P P 0.1023 0.0942 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Rb Rb -0.9393 2.9676 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
O Rb O . 7_565 83.96(13) ?
O Rb O . 6_656 87.46(7) ?
O Rb O . 4 145.93(3) ?
O Rb O 7_565 6_656 145.93(3) ?
O Rb O 7_565 4 87.46(7) ?
O Rb O 6_656 4 81.44(12) ?
O Rb O 7_565 3_645 85.58(9) ?
O Rb O . 3_645 118.58(6) ?
O Rb O 6_656 3_645 126.97(7) ?
O Rb O 4 3_645 93.43(6) ?
O Rb O 7_565 5_665 118.58(6) ?
O Rb O . 5_665 85.58(9) ?
O Rb O 6_656 5_665 93.43(6) ?
O Rb O 4 5_665 126.97(7) ?
O Rb O 3_645 5_665 49.05(10) ?
O P O . 7_575 118.7(3) yes
O P H1 . . 111.9(13) yes
O P H1 7_575 . 111.9(13) ?
O P H2 . . 107.4(13) yes
O P H2 7_575 . 107.4(13) ?
H1 P H2 . . 97(4) yes
P O Rb . . 132.9(2) ?
P O Rb . 6_556 113.91(18) ?
Rb O Rb . 6_556 97.00(8) ?
P O Rb . 5_665 96.11(13) ?
Rb O Rb . 5_665 94.42(9) ?
Rb O Rb 6_556 5_665 124.22(12) ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Rb O . 2.859(3) yes
Rb O 4 2.932(3) yes
Rb O 7_565 2.859(3) ?
Rb O 6_656 2.932(3) ?
Rb O 3_645 3.063(3) yes
Rb O 5_665 3.063(3) ?
P O . 1.478(3) yes
P O 7_575 1.478(3) ?
P H1 . 1.18(7) yes
P H2 . 1.33(7) yes
O Rb 6_556 2.932(3) ?
O Rb 5_665 3.063(3) ?
