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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-245.385146
Energy at 298.15K-245.389788
HF Energy-244.636264
Nuclear repulsion energy163.170187
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' 3388 3176 0.81      
2 A' 3364 3154 0.42      
3 A' 3353 3144 2.28      
4 A' 1652 1549 13.28      
5 A' 1604 1503 30.53      
6 A' 1417 1328 3.76      
7 A' 1320 1238 0.06      
8 A' 1236 1159 42.13      
9 A' 1157 1085 9.67      
10 A' 1145 1074 4.83      
11 A' 1112 1043 39.31      
12 A' 941 882 15.98      
13 A' 927 869 17.54      
14 A" 873 818 1.60      
15 A" 853 800 20.90      
16 A" 774 726 22.67      
17 A" 666 624 28.38      
18 A" 621 582 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 13200.4 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 12376.7 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
0.33666 0.32200 0.16458

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 -1.104 0.309 0.000
C2 0.000 1.096 0.000
N3 1.129 0.466 0.000
C4 0.753 -0.876 0.000
C5 -0.598 -0.963 0.000
H6 -0.167 2.158 0.000
H7 1.480 -1.668 0.000
H8 -1.310 -1.766 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35612.23872.20351.36902.07273.25402.0849
C21.35611.29282.11142.14401.07473.13523.1472
N32.23871.29281.39392.24122.13122.16233.3055
C42.20352.11141.39391.35373.17061.07472.2463
C51.36902.14402.24121.35373.15022.19451.0730
H62.07271.07472.13123.17063.15024.16514.0864
H73.25403.13522.16231.07472.19454.16512.7919
H82.08493.14723.30552.24631.07304.08642.7919

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.352 O1 C2 H6 116.527
O1 C5 C4 108.053 O1 C5 H8 116.722
C2 O1 C5 103.762 C2 N3 C4 103.533
N3 C2 H6 128.120 N3 C4 C5 109.299
N3 C4 H7 121.769 C4 C5 H8 135.225
C5 C4 H7 128.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability