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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-246.088196
Energy at 298.15K-246.092781
HF Energy-246.088196
Nuclear repulsion energy162.859986
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 TPSSh/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3320 3183 0.74      
2 A' 3301 3164 0.37      
3 A' 3279 3143 3.43      
4 A' 1585 1520 10.74      
5 A' 1541 1478 26.17      
6 A' 1369 1312 4.52      
7 A' 1282 1229 0.31      
8 A' 1176 1127 19.88      
9 A' 1133 1087 8.54      
10 A' 1105 1060 8.04      
11 A' 1081 1037 36.51      
12 A' 915 877 18.19      
13 A' 904 866 16.80      
14 A" 865 829 3.99      
15 A" 824 790 27.62      
16 A" 754 723 21.77      
17 A" 661 634 22.21      
18 A" 622 596 3.38      

Unscaled Zero Point Vibrational Energy (zpe) 12858.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 12327.1 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 TPSSh/6-31G**
ABC
0.33615 0.32019 0.16399

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.107 0.309 0.000
C2 0.000 1.099 0.000
N3 1.131 0.464 0.000
C4 0.756 -0.875 0.000
C5 -0.599 -0.965 0.000
H6 -0.171 2.164 0.000
H7 1.489 -1.667 0.000
H8 -1.318 -1.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36012.24412.20771.37172.07773.26302.0870
C21.36011.29692.11352.14901.07873.14103.1544
N32.24411.29691.39122.24472.14072.16123.3135
C42.20772.11351.39121.35813.17691.07932.2574
C51.37172.14902.24471.35813.15802.20341.0770
H62.07771.07872.14073.17693.15804.17484.0950
H73.26303.14102.16121.07932.20344.17482.8090
H82.08703.15443.31352.25741.07704.09502.8090

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.239 O1 C2 H6 116.377
O1 C5 C4 107.942 O1 C5 H8 116.410
C2 O1 C5 103.746 C2 N3 C4 103.613
N3 C2 H6 128.384 N3 C4 C5 109.460
N3 C4 H7 121.523 C4 C5 H8 135.648
C5 C4 H7 129.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.399      
2 C 0.296      
3 N -0.434      
4 C -0.007      
5 C 0.088      
6 H 0.161      
7 H 0.140      
8 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.298 -0.825 0.000 1.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.824 0.031 0.000
y 0.031 6.656 0.000
z 0.000 0.000 2.543


<r2> (average value of r2) Å2
<r2> 75.764
(<r2>)1/2 8.704