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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/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 CCD/6-311G*
 hartrees
Energy at 0K-245.450964
Energy at 298.15K-245.455599
HF Energy-244.683074
Nuclear repulsion energy163.372524
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 CCD/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' 3317 3168 1.15      
2 A' 3295 3147 0.38      
3 A' 3283 3136 2.41      
4 A' 1628 1555 18.47      
5 A' 1578 1507 26.88      
6 A' 1393 1331 2.86      
7 A' 1295 1237 0.20      
8 A' 1223 1169 45.35      
9 A' 1146 1094 10.94      
10 A' 1133 1082 7.11      
11 A' 1106 1056 40.34      
12 A' 945 903 19.62      
13 A' 930 888 14.89      
14 A" 867 828 6.70      
15 A" 846 808 20.38      
16 A" 767 732 32.72      
17 A" 665 635 30.66      
18 A" 625 597 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 13020.8 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 12436.2 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 CCD/6-311G*
ABC
0.33773 0.32271 0.16503

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.310 0.000
C2 0.000 1.092 0.000
N3 1.128 0.465 0.000
C4 0.753 -0.877 0.000
C5 -0.600 -0.959 0.000
H6 -0.169 2.160 0.000
H7 1.486 -1.672 0.000
H8 -1.320 -1.762 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35132.23532.20231.36432.07183.25942.0836
C21.35131.29042.10822.13651.08093.13823.1447
N32.23531.29041.39352.23872.13372.16723.3096
C42.20232.10821.39351.35533.17351.08112.2541
C51.36432.13652.23871.35533.14792.20391.0791
H62.07181.08092.13373.17353.14794.17384.0874
H73.25943.13822.16721.08112.20394.17382.8067
H82.08363.14473.30962.25411.07914.08742.8067

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.571 O1 C2 H6 116.383
O1 C5 C4 108.149 O1 C5 H8 116.538
C2 O1 C5 103.765 C2 N3 C4 103.460
N3 C2 H6 128.046 N3 C4 C5 109.055
N3 C4 H7 121.758 C4 C5 H8 135.313
C5 C4 H7 129.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability