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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-245.820456
Energy at 298.15K-245.825095
HF Energy-245.820456
Nuclear repulsion energy163.749663
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 HSEh1PBE/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' 3340 3187 0.45      
2 A' 3314 3162 0.26      
3 A' 3300 3149 2.69      
4 A' 1618 1544 16.32      
5 A' 1569 1497 24.63      
6 A' 1391 1328 3.88      
7 A' 1284 1226 0.24      
8 A' 1204 1149 25.73      
9 A' 1164 1111 9.44      
10 A' 1127 1075 2.18      
11 A' 1103 1053 38.81      
12 A' 936 893 18.01      
13 A' 920 878 17.00      
14 A" 883 842 1.92      
15 A" 845 806 21.38      
16 A" 770 735 27.08      
17 A" 673 642 25.31      
18 A" 635 606 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 13037.2 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 12441.4 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 HSEh1PBE/6-31G**
ABC
0.33942 0.32425 0.16583

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.099 0.308 0.000
C2 0.000 1.092 0.000
N3 1.125 0.461 0.000
C4 0.752 -0.871 0.000
C5 -0.598 -0.959 0.000
H6 -0.169 2.159 0.000
H7 1.484 -1.665 0.000
H8 -1.315 -1.762 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35042.22962.19501.36272.07113.25052.0817
C21.35041.28972.10252.13621.07963.13103.1430
N32.22961.28971.38402.23232.13412.15643.3014
C42.19502.10251.38401.35213.16671.07972.2508
C51.36272.13622.23231.35213.14662.19791.0775
H62.07111.07962.13413.16673.14664.16544.0850
H73.25053.13102.15641.07972.19794.16542.8008
H82.08173.14303.30142.25081.07754.08502.8008

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.221 O1 C2 H6 116.487
O1 C5 C4 107.907 O1 C5 H8 116.618
C2 O1 C5 103.882 C2 N3 C4 103.643
N3 C2 H6 128.291 N3 C4 C5 109.347
N3 C4 H7 121.666 C4 C5 H8 135.475
C5 C4 H7 128.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.397      
2 C 0.293      
3 N -0.431      
4 C -0.016      
5 C 0.085      
6 H 0.164      
7 H 0.144      
8 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.333 -0.816 0.000 1.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.701 -1.178 0.000
y -1.178 -22.189 0.000
z 0.000 0.000 -29.336
Traceless
 xyz
x -4.939 -1.178 0.000
y -1.178 7.830 0.000
z 0.000 0.000 -2.891
Polar
3z2-r2-5.782
x2-y2-8.513
xy-1.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.741 0.026 0.000
y 0.026 6.529 0.000
z 0.000 0.000 2.533


<r2> (average value of r2) Å2
<r2> 75.165
(<r2>)1/2 8.670