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Structural and spectral studies of ammonium mucicate (1993)

Benetollo, F. ; Bombieri, G. ; Liang, Hong ; [et al.]

Springer

Journal of chemical crystallography 23 (1993), S. 171-175

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ISSN: 1572-8854

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Physics

Notes: Abstract Ammonium mucicate C6H8O8(NH4)2,M r=244.20, monoclinic,P21/a,a=13.460(2),b=7.289(2),c=5.109(2)Å,β=94.96(4)°,Z=2, molecular symmetry ¯1,V=499.4(3)Å3,D x=1.62 Mg m−3,μ(MoKα)=1.03 cm−1,F(000)=260, room temperature. Final conventionalR value is 0.030 (Rw=0.037) for 1272 diffractometer-measured intensities withI≥3σ(I). The crystal structure is characterized by an extended system of hydrogen bonding involving the ammonium cations and the mucicate anions. The four hydroxyl groups are all involved as donors and acceptors in intermolecular bonds. The IR-spectra in the crystalline state have been recorded and compared to that of mucic acid.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01190042

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