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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-245.843668
Energy at 298.15K-245.848273
HF Energy-245.591489
Nuclear repulsion energy163.020704
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 B2PLYP=FULL/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' 3356 3356 0.49      
2 A' 3333 3333 0.20      
3 A' 3318 3318 2.47      
4 A' 1593 1593 8.60      
5 A' 1552 1552 28.30      
6 A' 1380 1380 5.32      
7 A' 1294 1294 0.20      
8 A' 1187 1187 23.93      
9 A' 1139 1139 8.17      
10 A' 1118 1118 7.93      
11 A' 1087 1087 35.58      
12 A' 926 926 17.32      
13 A' 916 916 17.83      
14 A" 864 864 2.59      
15 A" 833 833 22.76      
16 A" 757 757 22.36      
17 A" 666 666 24.30      
18 A" 626 626 3.56      

Unscaled Zero Point Vibrational Energy (zpe) 12972.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12972.7 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 B2PLYP=FULL/6-31G**
ABC
0.33638 0.32119 0.16430

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.106 0.309 0.000
C2 0.000 1.099 0.000
N3 1.130 0.464 0.000
C4 0.755 -0.876 0.000
C5 -0.599 -0.964 0.000
H6 -0.169 2.162 0.000
H7 1.485 -1.667 0.000
H8 -1.313 -1.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35882.24092.20601.37092.07593.25832.0861
C21.35881.29592.11362.14791.07643.13883.1517
N32.24091.29591.39072.24182.13772.15983.3076
C42.20602.11361.39071.35633.17461.07642.2516
C51.37092.14792.24181.35633.15532.19851.0743
H62.07591.07642.13773.17463.15534.17034.0914
H73.25833.13882.15981.07642.19854.17032.7995
H82.08613.15173.30762.25161.07434.09142.7995

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.143 O1 C2 H6 116.483
O1 C5 C4 107.976 O1 C5 H8 116.593
C2 O1 C5 103.792 C2 N3 C4 103.706
N3 C2 H6 128.374 N3 C4 C5 109.383
N3 C4 H7 121.677 C4 C5 H8 135.431
C5 C4 H7 128.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability