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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-245.394791
Energy at 298.15K-245.399393
HF Energy-244.635042
Nuclear repulsion energy162.934241
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3392 3169 0.40      
2 A' 3372 3150 0.17      
3 A' 3358 3138 1.76      
4 A' 1587 1483 4.23      
5 A' 1550 1448 30.56      
6 A' 1393 1302 6.14      
7 A' 1304 1218 0.40      
8 A' 1214 1134 35.07      
9 A' 1160 1084 4.60      
10 A' 1137 1062 3.89      
11 A' 1105 1032 36.38      
12 A' 922 862 20.70      
13 A' 914 854 12.00      
14 A" 844 788 5.02      
15 A" 819 765 31.85      
16 A" 748 699 17.41      
17 A" 669 625 23.75      
18 A" 625 584 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 13055.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 12198.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G**
ABC
0.33727 0.31961 0.16410

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.109 0.310 0.000
C2 0.000 1.097 0.000
N3 1.135 0.460 0.000
C4 0.757 -0.875 0.000
C5 -0.601 -0.961 0.000
H6 -0.169 2.157 0.000
H7 1.482 -1.667 0.000
H8 -1.315 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35982.24922.21071.36892.07263.25972.0812
C21.35981.30112.11192.14341.07423.13593.1455
N32.24921.30111.38782.24332.14042.15523.3069
C42.21072.11191.38781.36053.17071.07392.2533
C51.36892.14342.24331.36053.14792.19981.0724
H62.07261.07422.14043.17073.14794.16564.0822
H73.25973.13592.15521.07392.19984.16562.7992
H82.08123.14553.30692.25331.07244.08222.7992

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.385 O1 C2 H6 116.263
O1 C5 C4 108.187 O1 C5 H8 116.443
C2 O1 C5 103.533 C2 N3 C4 103.471
N3 C2 H6 128.352 N3 C4 C5 109.423
N3 C4 H7 121.681 C4 C5 H8 135.369
C5 C4 H7 128.896
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability