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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-245.004019
Energy at 298.15K-245.008468
HF Energy-244.493664
Nuclear repulsion energy158.760168
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' 3362 3216 0.24      
2 A' 3352 3207 0.52      
3 A' 3326 3182 0.91      
4 A' 1514 1449 2.48      
5 A' 1447 1384 15.94      
6 A' 1318 1261 20.18      
7 A' 1265 1210 2.02      
8 A' 1163 1113 12.39      
9 A' 1050 1004 2.41      
10 A' 1011 967 16.55      
11 A' 1007 963 41.57      
12 A' 887 848 13.63      
13 A' 868 830 35.05      
14 A" 803 769 9.45      
15 A" 785 751 48.32      
16 A" 720 688 13.52      
17 A" 640 612 30.86      
18 A" 596 571 9.39      

Unscaled Zero Point Vibrational Energy (zpe) 12555.2 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 12012.8 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 MP2/6-31G
ABC
0.31600 0.30687 0.15568

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 -1.120 0.313 0.000
C2 0.000 1.154 0.000
N3 1.138 0.474 0.000
C4 0.769 -0.906 0.000
C5 -0.607 -1.004 0.000
H6 -0.164 2.220 0.000
H7 1.507 -1.694 0.000
H8 -1.320 -1.813 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40052.26412.24811.41342.13283.30582.1358
C21.40051.32572.19872.24161.07843.22173.2473
N32.26411.32571.42882.28722.17792.19903.3576
C42.24812.19871.42881.37943.26201.07952.2768
C51.41342.24162.28721.37943.25402.22371.0782
H62.13281.07842.17793.26203.25404.25524.1953
H73.30583.22172.19901.07952.22374.25522.8289
H82.13583.24733.35762.27681.07824.19532.8289

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.265 O1 C2 H6 118.138
O1 C5 C4 107.209 O1 C5 H8 117.369
C2 O1 C5 105.613 C2 N3 C4 105.855
N3 C2 H6 129.597 N3 C4 C5 109.058
N3 C4 H7 121.870 C4 C5 H8 135.422
C5 C4 H7 129.072
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability