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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-245.373203
Energy at 298.15K-245.377793
HF Energy-244.634648
Nuclear repulsion energy162.758773
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 MP2/6-31G**
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' 3389 3174 0.40      
2 A' 3369 3155 0.16      
3 A' 3356 3143 1.75      
4 A' 1584 1484 4.03      
5 A' 1547 1449 30.53      
6 A' 1390 1301 6.25      
7 A' 1301 1219 0.41      
8 A' 1211 1134 35.01      
9 A' 1157 1084 4.54      
10 A' 1135 1063 4.24      
11 A' 1103 1033 36.34      
12 A' 920 862 20.79      
13 A' 911 854 11.77      
14 A" 838 785 5.72      
15 A" 814 762 32.19      
16 A" 742 695 16.52      
17 A" 666 624 23.93      
18 A" 621 582 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 13026.8 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 12199.6 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 MP2/6-31G**
ABC
0.33660 0.31886 0.16375

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.111 0.311 0.000
C2 0.000 1.098 0.000
N3 1.136 0.461 0.000
C4 0.758 -0.876 0.000
C5 -0.602 -0.962 0.000
H6 -0.169 2.160 0.000
H7 1.484 -1.668 0.000
H8 -1.317 -1.762 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36122.25162.21301.37032.07473.26302.0833
C21.36121.30252.11422.14581.07523.13903.1488
N32.25161.30251.38932.24592.14252.15733.3105
C42.21302.11421.38931.36213.17401.07492.2559
C51.37032.14582.24591.36213.15122.20231.0734
H62.07471.07522.14253.17403.15124.16974.0864
H73.26303.13902.15731.07492.20234.16972.8024
H82.08333.14883.31052.25591.07344.08642.8024

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.387 O1 C2 H6 116.267
O1 C5 C4 108.175 O1 C5 H8 116.446
C2 O1 C5 103.544 C2 N3 C4 103.470
N3 C2 H6 128.346 N3 C4 C5 109.424
N3 C4 H7 121.672 C4 C5 H8 135.379
C5 C4 H7 128.904
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability