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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-245.560110
Energy at 298.15K-245.564727
HF Energy-244.688141
Nuclear repulsion energy163.159966
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/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' 3344 3172 0.46      
2 A' 3324 3153 0.36      
3 A' 3309 3139 2.08      
4 A' 1557 1477 7.93      
5 A' 1523 1445 28.32      
6 A' 1367 1297 4.26      
7 A' 1280 1214 1.16      
8 A' 1202 1140 35.12      
9 A' 1157 1097 6.33      
10 A' 1116 1059 2.18      
11 A' 1102 1045 38.83      
12 A' 925 878 23.56      
13 A' 913 866 8.07      
14 A" 849 805 1.47      
15 A" 825 783 36.93      
16 A" 757 718 25.02      
17 A" 666 632 24.95      
18 A" 626 594 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 12920.9 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 12256.8 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/6-311G**
ABC
0.33870 0.32012 0.16457

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.108 0.311 0.000
C2 0.000 1.092 0.000
N3 1.135 0.459 0.000
C4 0.757 -0.875 0.000
C5 -0.603 -0.956 0.000
H6 -0.171 2.157 0.000
H7 1.485 -1.671 0.000
H8 -1.323 -1.756 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35522.24732.21011.36392.06983.26362.0786
C21.35521.29922.10792.13491.07833.13683.1406
N32.24731.29921.38702.24112.14142.15873.3090
C42.21012.10791.38701.36243.17081.07852.2590
C51.36392.13492.24111.36243.14262.20711.0766
H62.06981.07832.14143.17083.14264.17044.0792
H73.26363.13682.15871.07852.20714.17042.8096
H82.07863.14063.30902.25901.07664.07922.8096

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.670 O1 C2 H6 116.078
O1 C5 C4 108.322 O1 C5 H8 116.304
C2 O1 C5 103.468 C2 N3 C4 103.343
N3 C2 H6 128.252 N3 C4 C5 109.197
N3 C4 H7 121.731 C4 C5 H8 135.374
C5 C4 H7 129.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability