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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-245.952457
Energy at 298.15K-245.957043
HF Energy-245.668355
Nuclear repulsion energy163.315758
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/TZVP
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' 3331 3179 0.51      
2 A' 3308 3156 0.77      
3 A' 3296 3145 2.49      
4 A' 1572 1500 8.52      
5 A' 1532 1462 31.72      
6 A' 1364 1302 5.35      
7 A' 1292 1233 0.37      
8 A' 1172 1118 21.45      
9 A' 1121 1070 10.08      
10 A' 1103 1052 14.36      
11 A' 1076 1026 38.68      
12 A' 930 887 18.89      
13 A' 919 877 17.23      
14 A" 835 797 2.34      
15 A" 823 786 36.39      
16 A" 741 707 24.24      
17 A" 657 627 28.40      
18 A" 613 585 3.22      

Unscaled Zero Point Vibrational Energy (zpe) 12842.3 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 12254.1 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 B2PLYP=FULL/TZVP
ABC
0.33656 0.32335 0.16491

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.308 0.000
C2 0.000 1.100 0.000
N3 1.124 0.464 0.000
C4 0.753 -0.876 0.000
C5 -0.596 -0.965 0.000
H6 -0.168 2.162 0.000
H7 1.483 -1.664 0.000
H8 -1.308 -1.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35712.23122.20071.37022.07573.25182.0853
C21.35711.29122.11432.14911.07483.13683.1512
N32.23121.29121.38982.23532.13302.15793.2998
C42.20072.11431.38981.35153.17371.07462.2454
C51.37022.14912.23531.35153.15572.19331.0727
H62.07571.07482.13303.17373.15574.16664.0907
H73.25183.13682.15791.07462.19334.16662.7932
H82.08533.15123.29982.24541.07274.09072.7932

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.788 O1 C2 H6 116.725
O1 C5 C4 107.912 O1 C5 H8 116.685
C2 O1 C5 103.995 C2 N3 C4 104.052
N3 C2 H6 128.487 N3 C4 C5 109.252
N3 C4 H7 121.716 C4 C5 H8 135.403
C5 C4 H7 129.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability