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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-245.016549
Energy at 298.15K-245.021053
HF Energy-244.496307
Nuclear repulsion energy159.422168
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/6-31G
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' 3327 3192 0.31      
2 A' 3317 3182 0.08      
3 A' 3290 3157 1.07      
4 A' 1569 1506 2.63      
5 A' 1514 1453 26.47      
6 A' 1343 1289 11.14      
7 A' 1270 1219 0.47      
8 A' 1170 1122 17.76      
9 A' 1074 1030 28.53      
10 A' 1039 997 18.47      
11 A' 1022 981 25.45      
12 A' 904 867 0.51      
13 A' 893 857 49.44      
14 A" 830 796 0.00      
15 A" 809 776 35.78      
16 A" 746 716 20.95      
17 A" 640 614 34.04      
18 A" 592 568 14.26      

Unscaled Zero Point Vibrational Energy (zpe) 12674.0 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 12160.7 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 CCD/6-31G
ABC
0.31755 0.31063 0.15703

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.112 0.312 0.000
C2 0.000 1.153 0.000
N3 1.129 0.476 0.000
C4 0.765 -0.906 0.000
C5 -0.605 -1.004 0.000
H6 -0.162 2.222 0.000
H7 1.507 -1.694 0.000
H8 -1.318 -1.816 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.39432.24732.23691.40942.13383.29832.1378
C21.39431.31662.19622.23971.08133.22123.2486
N32.24731.31661.42952.27992.17132.20323.3534
C42.23692.19621.42951.37323.26221.08252.2730
C51.40942.23972.27991.37323.25602.22141.0812
H62.13381.08132.17133.26223.25604.25694.2007
H73.29833.22122.20321.08252.22144.25692.8269
H82.13783.24863.35342.27301.08124.20072.8269

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 111.959 O1 C2 H6 118.521
O1 C5 C4 106.998 O1 C5 H8 117.660
C2 O1 C5 106.038 C2 N3 C4 106.145
N3 C2 H6 129.520 N3 C4 C5 108.861
N3 C4 H7 121.979 C4 C5 H8 135.342
C5 C4 H7 129.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability