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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-245.473987
Energy at 298.15K-245.478647
HF Energy-244.689455
Nuclear repulsion energy163.415306
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 CCD/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' 3334 3184 0.85      
2 A' 3310 3161 0.23      
3 A' 3299 3151 2.36      
4 A' 1627 1554 18.52      
5 A' 1576 1505 26.90      
6 A' 1394 1331 2.57      
7 A' 1297 1239 0.32      
8 A' 1225 1170 42.87      
9 A' 1146 1094 12.43      
10 A' 1132 1081 5.39      
11 A' 1107 1058 38.12      
12 A' 944 901 19.11      
13 A' 928 886 13.54      
14 A" 883 843 3.71      
15 A" 862 823 18.38      
16 A" 782 747 31.22      
17 A" 664 635 28.31      
18 A" 623 595 5.04      

Unscaled Zero Point Vibrational Energy (zpe) 13065.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 12478.6 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 CCD/6-311G**
ABC
0.33796 0.32279 0.16510

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.310 0.000
C2 0.000 1.092 0.000
N3 1.128 0.465 0.000
C4 0.753 -0.877 0.000
C5 -0.600 -0.958 0.000
H6 -0.169 2.158 0.000
H7 1.483 -1.671 0.000
H8 -1.318 -1.762 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35122.23542.20191.36402.07023.25702.0827
C21.35121.29042.10752.13611.07923.13623.1430
N32.23541.29041.39322.23882.13212.16613.3077
C42.20192.10751.39321.35533.17111.07942.2520
C51.36402.13612.23881.35533.14572.20161.0774
H62.07021.07922.13213.17113.14574.17034.0843
H73.25703.13622.16611.07942.20164.17032.8023
H82.08273.14303.30772.25201.07744.08432.8023

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.591 O1 C2 H6 116.369
O1 C5 C4 108.142 O1 C5 H8 116.610
C2 O1 C5 103.758 C2 N3 C4 103.434
N3 C2 H6 128.040 N3 C4 C5 109.075
N3 C4 H7 121.822 C4 C5 H8 135.248
C5 C4 H7 129.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability