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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-245.250640
Energy at 298.15K-245.255372
HF Energy-244.632273
Nuclear repulsion energy164.301078
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 CID/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' 3438 3176 0.60      
2 A' 3414 3154 0.40      
3 A' 3401 3141 2.70      
4 A' 1707 1577 20.65      
5 A' 1651 1525 30.10      
6 A' 1456 1345 5.80      
7 A' 1351 1248 0.04      
8 A' 1270 1173 40.57      
9 A' 1193 1102 11.87      
10 A' 1177 1087 5.22      
11 A' 1141 1054 44.22      
12 A' 974 899 15.59      
13 A' 957 884 21.07      
14 A" 929 858 1.77      
15 A" 907 838 15.81      
16 A" 817 755 30.90      
17 A" 689 636 33.39      
18 A" 648 598 6.23      

Unscaled Zero Point Vibrational Energy (zpe) 13559.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 12525.1 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 CID/6-31G*
ABC
0.34021 0.32775 0.16693

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.092 0.307 0.000
C2 0.000 1.090 0.000
N3 1.117 0.464 0.000
C4 0.745 -0.871 0.000
C5 -0.592 -0.958 0.000
H6 -0.167 2.150 0.000
H7 1.474 -1.659 0.000
H8 -1.304 -1.758 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34372.21482.18281.36052.06183.23272.0763
C21.34371.28032.09782.13181.07303.11913.1325
N32.21481.28031.38602.22342.11912.15313.2865
C42.18282.09781.38601.34013.15561.07322.2332
C51.36052.13182.22341.34013.13682.18151.0712
H62.06181.07302.11913.15563.13684.14744.0701
H73.23273.11912.15311.07322.18154.14742.7797
H82.07633.13253.28652.23321.07124.07012.7797

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.119 O1 C2 H6 116.665
O1 C5 C4 107.848 O1 C5 H8 116.764
C2 O1 C5 104.056 C2 N3 C4 103.696
N3 C2 H6 128.216 N3 C4 C5 109.282
N3 C4 H7 121.690 C4 C5 H8 135.388
C5 C4 H7 129.028
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability