1961
DOI: 10.1002/cber.19610940703
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Spektroskopische Untersuchungen an organischen Ionen, IV. Die Struktur und das Schwingungsspektrum des Harnstoff‐Kations in normalen und anomalen Salzen

Abstract: Fur das Hamstoff-Kation. wie es in den Salzen vorliegt, die Harnstoff mit star-. / W I @ ken Sauren bildet, wird bewiesen, daB es die Struktur [ H \ o _~$ ] besitzt. Der EinfluR von Wasserstoff-BrUckenbindungen zum Anion oder zum Kristallwasser aufdas Spektrum, insbesondere auf die OH-Frequenzen wird eingehend diskutiert. Die vollstandige Zuordnung der Normalschwingungen des Ions in verschiedenen Salzen wird angegeben. Bei einem Beispiel ftir ein ,,anomales" Salz wird gezeigt, daB das Spektrum genau die Charak… Show more

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Cited by 16 publications
(1 citation statement)
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“…2) and is characterized by lack of abs~rption in the region above 2500 cm-', but has a strong, broad absorption near 1300 cm-I. The high intensity, low frequency, and great breadth of the bands due to the proton in these 2 : l salts are associated with very short, probably symmetrical, hydrogen bonds as was described by Albert and Badger (22) and Takei (23) for acetamide hemihj.drochloride, by Kutzelnigg and Mecke for other acetainide salts (24) and some urea salts (25), and by Hadzi for salts of various oxide bases (26).…”
Section: Anhydrous 1:i Saltsmentioning
confidence: 57%
“…2) and is characterized by lack of abs~rption in the region above 2500 cm-', but has a strong, broad absorption near 1300 cm-I. The high intensity, low frequency, and great breadth of the bands due to the proton in these 2 : l salts are associated with very short, probably symmetrical, hydrogen bonds as was described by Albert and Badger (22) and Takei (23) for acetamide hemihj.drochloride, by Kutzelnigg and Mecke for other acetainide salts (24) and some urea salts (25), and by Hadzi for salts of various oxide bases (26).…”
Section: Anhydrous 1:i Saltsmentioning
confidence: 57%