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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-245.922831
Energy at 298.15K-245.927433
HF Energy-245.641683
Nuclear repulsion energy163.248300
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/6-311G*
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' 3327 3327 1.00      
2 A' 3307 3307 0.36      
3 A' 3290 3290 3.13      
4 A' 1576 1576 10.52      
5 A' 1536 1536 28.34      
6 A' 1365 1365 4.74      
7 A' 1284 1284 0.38      
8 A' 1173 1173 23.54      
9 A' 1131 1131 10.37      
10 A' 1105 1105 10.90      
11 A' 1080 1080 37.58      
12 A' 930 930 21.02      
13 A' 920 920 15.60      
14 A" 858 858 2.10      
15 A" 830 830 29.11      
16 A" 750 750 32.29      
17 A" 666 666 27.13      
18 A" 628 628 5.42      

Unscaled Zero Point Vibrational Energy (zpe) 12878.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12878.7 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/6-311G*
ABC
0.33722 0.32222 0.16477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 0.309 0.000
C2 0.000 1.096 0.000
N3 1.128 0.463 0.000
C4 0.755 -0.875 0.000
C5 -0.598 -0.962 0.000
H6 -0.170 2.160 0.000
H7 1.487 -1.666 0.000
H8 -1.315 -1.763 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35622.23732.20431.36862.07293.25792.0826
C21.35621.29302.11112.14351.07703.13683.1471
N32.23731.29301.38982.23812.13592.15943.3052
C42.20432.11111.38981.35513.17291.07742.2522
C51.36862.14352.23811.35513.15112.19991.0752
H62.07291.07702.13593.17293.15114.16914.0862
H73.25793.13682.15941.07742.19994.16912.8038
H82.08263.14713.30522.25221.07524.08622.8038

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.219 O1 C2 H6 116.378
O1 C5 C4 108.055 O1 C5 H8 116.392
C2 O1 C5 103.751 C2 N3 C4 103.735
N3 C2 H6 128.403 N3 C4 C5 109.241
N3 C4 H7 121.630 C4 C5 H8 135.554
C5 C4 H7 129.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability