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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-245.552974
Energy at 298.15K-245.557625
HF Energy-244.655105
Nuclear repulsion energy163.719318
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/6-31G(2df,p)
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' 3366 3163 0.32      
2 A' 3344 3143 0.82      
3 A' 3336 3136 2.38      
4 A' 1561 1467 7.38      
5 A' 1529 1437 24.97      
6 A' 1371 1288 5.29      
7 A' 1285 1208 1.21      
8 A' 1215 1142 33.19      
9 A' 1162 1093 5.75      
10 A' 1126 1058 4.09      
11 A' 1106 1039 31.29      
12 A' 930 874 18.46      
13 A' 917 862 14.00      
14 A" 870 818 2.64      
15 A" 848 797 22.02      
16 A" 778 731 24.63      
17 A" 681 640 21.10      
18 A" 642 604 2.63      

Unscaled Zero Point Vibrational Energy (zpe) 13032.7 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 12249.4 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/6-31G(2df,p)
ABC
0.34086 0.32250 0.16571

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.105 0.311 0.000
C2 0.000 1.088 0.000
N3 1.132 0.457 0.000
C4 0.754 -0.873 0.000
C5 -0.600 -0.951 0.000
H6 -0.171 2.149 0.000
H7 1.478 -1.667 0.000
H8 -1.319 -1.747 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35022.24152.20381.35982.06113.25302.0698
C21.35021.29612.10072.12551.07483.12623.1271
N32.24151.29611.38242.23222.13592.15183.2967
C42.20382.10071.38241.35623.16031.07442.2504
C51.35982.12552.23221.35623.12972.19741.0731
H62.06111.07482.13593.16033.12974.15704.0619
H73.25303.12622.15181.07442.19744.15702.7983
H82.06983.12713.29672.25041.07314.06192.7983

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.761 O1 C2 H6 115.938
O1 C5 C4 108.473 O1 C5 H8 116.096
C2 O1 C5 103.316 C2 N3 C4 103.261
N3 C2 H6 128.301 N3 C4 C5 109.189
N3 C4 H7 121.790 C4 C5 H8 135.431
C5 C4 H7 129.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability