data_2000662
_journal_name_full  'Acta Cryst.'
_journal_year  1992
_journal_volume  C48
_journal_page_first  1389
_journal_page_last  1394
loop_
_publ_author_name
 'Kalsbeek, N.'
_chemical_formula_moiety  'C4 H5 O4,Rb1'
_chemical_formula_sum  'C4 H5 O4 Rb1'
_chemical_formula_weight  202.55
_symmetry_cell_setting  monoclinic
_symmetry_space_group_name_H-M  'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_cell_length_a  16.927(3)
_cell_length_b  6.1050(6)
_cell_length_c  6.3343(9)
_cell_angle_alpha  90.
_cell_angle_beta  109.170(10)
_cell_angle_gamma  90.
_cell_volume  618.3(3)
_cell_formula_units_Z  4
_exptl_crystal_density_diffrn  2.176
_exptl_crystal_density_meas  ?
_exptl_crystal_F_000  392
_exptl_absorpt_coefficient_mu  7.7299
_diffrn_radiation_type  Mo
_diffrn_radiation_wavelength  0.71073
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
 Rb .00000 .79539(4) .75000 .01192(4)
 O(1) .56690(7) .8432(2)   .9015(2)   .0143(3)
 O(2) .62051(8) .6300(2)   .6953(2)   .0155(3)
 C(1) .62922(9) .7508(3)   .8571(3)   .0113(3)
 C(2) .71401(9) .8053(3)   1.0242(3)   .0141(3)
 H(1) .522(4) .812(7) .783(13) .023(16)
 H(2) .7200(10)
     .959(4) 1.028(5) .006(5)
 H(3) .712(2) .769(5) 1.172(5) .024(8)