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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-245.524013
Energy at 298.15K-245.528567
HF Energy-244.686346
Nuclear repulsion energy162.248393
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 MP4/6-311G**
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' 3307 3207        
2 A' 3283 3184        
3 A' 3270 3171        
4 A' 1546 1500        
5 A' 1514 1468        
6 A' 1342 1301        
7 A' 1265 1227        
8 A' 1167 1131        
9 A' 1117 1083        
10 A' 1094 1061        
11 A' 1072 1040        
12 A' 908 881        
13 A' 901 873        
14 A" 827 802        
15 A" 816 791        
16 A" 734 712        
17 A" 649 630        
18 A" 608 589        

Unscaled Zero Point Vibrational Energy (zpe) 12709.6 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 12324.5 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 MP4/6-311G**
ABC
0.33475 0.31661 0.16271

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.111 0.312 0.000
C2 0.000 1.101 0.000
N3 1.138 0.466 0.000
C4 0.759 -0.882 0.000
C5 -0.604 -0.966 0.000
H6 -0.172 2.169 0.000
H7 1.492 -1.678 0.000
H8 -1.325 -1.770 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36332.25452.21871.37462.08193.27612.0921
C21.36331.30302.12362.15341.08193.15393.1617
N32.25451.30301.40072.25482.14832.17293.3261
C42.21872.12361.40071.36513.19021.08162.2646
C51.37462.15342.25481.36513.16492.21301.0797
H62.08191.08192.14833.19023.16494.19124.1043
H73.27613.15392.17291.08162.21304.19122.8179
H82.09213.16173.32612.26461.07974.10432.8179

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.443 O1 C2 H6 116.265
O1 C5 C4 108.158 O1 C5 H8 116.435
C2 O1 C5 103.722 C2 N3 C4 103.462
N3 C2 H6 128.292 N3 C4 C5 109.215
N3 C4 H7 121.642 C4 C5 H8 135.407
C5 C4 H7 129.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability