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Listing of experimental geometry data for C3H3NO (Oxazole)

Rotational Constants (cm-1)


See section I.F.4 to change rotational constant units
A B C
0.33526 0.32175 0.16409
Rotational Constants from 1978Kum/She:145
Calculated rotational constants for C3H3NO (Oxazole).

Point Group Cs

Internal coordinates

(distances (r) in Å) (angles (a) in degrees) (dihedrals (d) in degrees)
Description Value Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCO 1.357 1 2 1987Kuchitsu(II/15) to side with N
rCN 1.292 2 3 1987Kuchitsu(II/15)
rCN 1.395 3 4 1987Kuchitsu(II/15)
rCC 1.353 4 5 1987Kuchitsu(II/15)
rCO 1.370 1 5 1987Kuchitsu(II/15) opp side of N
rCH 1.075 2 6 1987Kuchitsu(II/15) in between O and N
rCH 1.075 4 7 1987Kuchitsu(II/15) next to N and C
rCH 1.073 5 8 1987Kuchitsu(II/15) between O and C
aCOC 103.9 2 1 5 1987Kuchitsu(II/15)
aNCO 115 1 2 3 1987Kuchitsu(II/15)
aCNC 103.9 2 3 4 1987Kuchitsu(II/15)
aCCN 109.1 3 4 5 1987Kuchitsu(II/15)
aCCO 108.1 1 5 4 1987Kuchitsu(II/15)
aHCO 117.1 1 2 6 1987Kuchitsu(II/15) C has =N
aHCN 127.9 3 2 6 1987Kuchitsu(II/15)
aHCN 121.9 3 4 7 1987Kuchitsu(II/15)
aHCC 129.1 5 4 7 1987Kuchitsu(II/15) towards N
aHCC 135 4 5 8 1987Kuchitsu(II/15) away from N
aHCO 116.9 1 5 8 1987Kuchitsu(II/15) C has =C
picture of Oxazole

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 3
C=C 1
C=N 1
C-N 1
C-O 2
Atom x (Å) y (Å) z (Å)
O1 1.0479 0.4508 0.0000
C2 -0.1595 1.0697 0.0000
N3 -1.1785 0.2767 0.0000
C4 -0.6120 -0.9995 0.0000
C5 0.7346 -0.8831 0.0000
H6 -0.1584 2.1444 0.0000
H7 -1.2154 -1.8890 0.0000
H8 1.5558 -1.5745 0.0000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35682.23322.20421.37022.07933.25532.0880
C21.35681.29122.11812.14781.07473.14153.1518
N32.23321.29121.39632.23722.12812.16603.3020
C42.20422.11811.39631.35163.17651.07482.2428
C51.37022.14782.23721.35163.15652.19421.0735
H62.07931.07472.12813.17653.15654.16964.0950
H73.25533.14152.16601.07482.19424.16962.7890
H82.08803.15183.30202.24281.07354.09502.7890

Calculated geometries for C3H3NO (Oxazole).
References
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squib reference DOI
1978Kum/She:145 A Kumar, J Sheridan, OL Stiefvater "The Microwave Spectrum of Oxazole I. The Complete Structure by DRM Microwave Spectroscopy" Z. Naturforsch. 33a, 145-152 (1978) 10.1515/zna-1978-0207 
1987Kuchitsu(II/15) Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 15: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1987.  

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