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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/aug-cc-pVTZ

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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-245.725721
Energy at 298.15K-245.730385
HF Energy-244.722731
Nuclear repulsion energy163.875663
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=FULL/aug-cc-pVTZ
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' 3342 3180 0.28      
2 A' 3320 3159 1.34      
3 A' 3306 3146 2.75      
4 A' 1563 1487 6.04      
5 A' 1521 1447 34.23      
6 A' 1368 1301 3.93      
7 A' 1277 1215 0.59      
8 A' 1193 1135 33.72      
9 A' 1153 1097 6.34      
10 A' 1114 1060 2.85      
11 A' 1094 1040 39.45      
12 A' 922 877 20.87      
13 A' 912 868 10.65      
14 A" 895 852 2.74      
15 A" 857 815 32.02      
16 A" 794 755 27.80      
17 A" 674 642 25.05      
18 A" 637 606 3.38      

Unscaled Zero Point Vibrational Energy (zpe) 12970.7 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 12340.3 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=FULL/aug-cc-pVTZ
ABC
0.34020 0.32431 0.16603

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.101 0.310 0.000
C2 0.000 1.093 0.000
N3 1.125 0.457 0.000
C4 0.753 -0.873 0.000
C5 -0.597 -0.956 0.000
H6 -0.168 2.151 0.000
H7 1.475 -1.663 0.000
H8 -1.310 -1.753 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35142.23162.19961.36202.06403.24522.0733
C21.35141.29282.10562.13401.07113.12623.1331
N32.23161.29281.38122.22792.13152.14873.2887
C42.19962.10561.38121.35313.16131.07032.2430
C51.36202.13402.22791.35313.13602.19021.0695
H62.06401.07112.13153.16133.13604.15304.0674
H73.24523.12622.14871.07032.19024.15302.7870
H82.07333.13313.28872.24301.06954.06742.7870

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.097 O1 C2 H6 116.385
O1 C5 C4 108.218 O1 C5 H8 116.498
C2 O1 C5 103.713 C2 N3 C4 103.840
N3 C2 H6 128.518 N3 C4 C5 109.132
N3 C4 H7 121.922 C4 C5 H8 135.284
C5 C4 H7 128.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability