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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-245.537355
Energy at 298.15K-245.541949
HF Energy-244.681836
Nuclear repulsion energy163.135893
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/6-311G*
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' 3338 3161 0.63      
2 A' 3320 3144 0.24      
3 A' 3305 3130 2.12      
4 A' 1562 1479 7.41      
5 A' 1528 1447 28.32      
6 A' 1371 1298 5.27      
7 A' 1284 1216 1.01      
8 A' 1202 1138 37.03      
9 A' 1156 1095 6.76      
10 A' 1121 1062 2.15      
11 A' 1102 1044 41.27      
12 A' 927 878 24.09      
13 A' 916 868 9.13      
14 A" 831 787 2.58      
15 A" 814 771 42.15      
16 A" 740 701 26.51      
17 A" 667 632 26.75      
18 A" 628 595 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 12906.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 12223.2 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 MP2=FULL/6-311G*
ABC
0.33855 0.32009 0.16453

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 0.311 0.000
C2 0.000 1.092 0.000
N3 1.135 0.459 0.000
C4 0.757 -0.876 0.000
C5 -0.603 -0.956 0.000
H6 -0.171 2.158 0.000
H7 1.487 -1.671 0.000
H8 -1.324 -1.756 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35532.24712.21031.36422.07063.26482.0789
C21.35531.29922.10842.13521.07913.13763.1413
N32.24711.29921.38732.24102.14202.15903.3099
C42.21032.10841.38731.36223.17201.07932.2600
C51.36422.13522.24101.36223.14372.20841.0774
H62.07061.07912.14203.17203.14374.17194.0805
H73.26483.13762.15901.07932.20844.17192.8123
H82.07893.14133.30992.26001.07744.08052.8123

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.660 O1 C2 H6 116.088
O1 C5 C4 108.329 O1 C5 H8 116.241
C2 O1 C5 103.468 C2 N3 C4 103.360
N3 C2 H6 128.252 N3 C4 C5 109.183
N3 C4 H7 121.668 C4 C5 H8 135.430
C5 C4 H7 129.149
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability