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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-245.358560
Energy at 298.15K-245.363179
HF Energy-244.630424
Nuclear repulsion energy163.157307
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3368 3162 0.50      
2 A' 3347 3142 0.16      
3 A' 3334 3129 2.09      
4 A' 1653 1551 15.17      
5 A' 1602 1503 28.69      
6 A' 1413 1326 4.28      
7 A' 1316 1235 0.04      
8 A' 1237 1161 41.48      
9 A' 1158 1087 8.20      
10 A' 1147 1076 6.84      
11 A' 1113 1045 40.88      
12 A' 947 888 15.83      
13 A' 931 874 19.48      
14 A" 858 806 4.60      
15 A" 838 786 23.83      
16 A" 759 713 22.58      
17 A" 667 626 31.40      
18 A" 621 583 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 13153.9 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 12346.2 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 MP3/6-31G*
ABC
0.33638 0.32230 0.16459

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.103 0.309 0.000
C2 0.000 1.097 0.000
N3 1.128 0.466 0.000
C4 0.753 -0.877 0.000
C5 -0.598 -0.963 0.000
H6 -0.168 2.163 0.000
H7 1.485 -1.670 0.000
H8 -1.315 -1.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35502.23592.20201.36882.07623.25762.0875
C21.35501.29232.11242.14521.07923.14003.1518
N32.23591.29231.39422.24082.13512.16543.3099
C42.20202.11241.39421.35353.17621.07942.2514
C51.36882.14522.24081.35353.15572.19971.0774
H62.07621.07922.13513.17623.15574.17404.0945
H73.25763.14002.16541.07942.19974.17402.8019
H82.08753.15183.30992.25141.07744.09452.8019

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.232 O1 C2 H6 116.600
O1 C5 C4 107.970 O1 C5 H8 116.654
C2 O1 C5 103.915 C2 N3 C4 103.617
N3 C2 H6 128.168 N3 C4 C5 109.266
N3 C4 H7 121.665 C4 C5 H8 135.376
C5 C4 H7 129.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability