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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-245.461419
Energy at 298.15K-245.466031
HF Energy-244.682444
Nuclear repulsion energy163.021845
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 QCISD/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' 3307 3166 1.17      
2 A' 3286 3146 0.52      
3 A' 3271 3132 2.75      
4 A' 1612 1544 16.86      
5 A' 1572 1505 26.24      
6 A' 1380 1322 4.91      
7 A' 1290 1235 0.29      
8 A' 1198 1147 38.55      
9 A' 1132 1084 12.81      
10 A' 1122 1074 5.52      
11 A' 1090 1044 40.18      
12 A' 935 895 20.25      
13 A' 922 883 14.48      
14 A" 865 828 7.31      
15 A" 845 809 19.87      
16 A" 758 725 32.81      
17 A" 658 630 30.44      
18 A" 618 592 5.85      

Unscaled Zero Point Vibrational Energy (zpe) 12930.8 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 12380.0 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 QCISD/6-311G*
ABC
0.33642 0.32117 0.16431

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.106 0.310 0.000
C2 0.000 1.094 0.000
N3 1.130 0.467 0.000
C4 0.755 -0.878 0.000
C5 -0.599 -0.962 0.000
H6 -0.169 2.162 0.000
H7 1.488 -1.672 0.000
H8 -1.319 -1.766 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35532.24202.20771.36952.07463.26542.0877
C21.35531.29252.11082.14101.08133.14113.1495
N32.24201.29251.39622.24352.13572.16933.3147
C42.20772.11081.39621.35653.17661.08162.2560
C51.36952.14102.24351.35653.15282.20511.0795
H62.07461.08132.13573.17663.15284.17714.0927
H73.26543.14112.16931.08162.20514.17712.8087
H82.08773.14953.31472.25601.07954.09272.8087

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.698 O1 C2 H6 116.289
O1 C5 C4 108.164 O1 C5 H8 116.467
C2 O1 C5 103.580 C2 N3 C4 103.389
N3 C2 H6 128.013 N3 C4 C5 109.169
N3 C4 H7 121.687 C4 C5 H8 135.369
C5 C4 H7 129.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability