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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-242.676924
Energy at 298.15K-242.681299
HF Energy-242.676924
Nuclear repulsion energy159.181803
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/STO-3G
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' 3575 3157 14.40      
2 A' 3541 3127 29.60      
3 A' 3537 3123 36.30      
4 A' 1662 1468 6.83      
5 A' 1597 1410 4.47      
6 A' 1427 1260 11.35      
7 A' 1302 1150 4.84      
8 A' 1263 1115 10.22      
9 A' 1176 1039 2.68      
10 A' 1150 1016 3.72      
11 A' 1113 983 8.26      
12 A' 939 829 14.77      
13 A' 926 818 1.69      
14 A" 923 815 0.23      
15 A" 825 729 23.51      
16 A" 805 711 9.06      
17 A" 654 577 4.00      
18 A" 621 548 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 13517.4 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 11937.2 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/STO-3G
ABC
0.32338 0.30362 0.15659

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.144 0.315 0.000
C2 0.000 1.122 0.000
N3 1.174 0.471 0.000
C4 0.765 -0.897 0.000
C5 -0.608 -0.977 0.000
H6 -0.166 2.209 0.000
H7 1.496 -1.711 0.000
H8 -1.328 -1.804 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40022.32332.26131.39932.13143.32872.1275
C21.40021.34232.15912.18581.09973.20433.2135
N32.32331.34231.42772.29622.19502.20603.3813
C42.26132.15911.42771.37523.24271.09482.2806
C51.39932.18582.29621.37523.21692.22891.0961
H62.13141.09972.19503.24273.21694.25864.1780
H73.32873.20432.20601.09482.22894.25862.8255
H82.12753.21353.38132.28061.09614.17802.8255

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.786 O1 C2 H6 116.478
O1 C5 C4 109.177 O1 C5 H8 116.452
C2 O1 C5 102.663 C2 N3 C4 102.374
N3 C2 H6 127.736 N3 C4 C5 110.000
N3 C4 H7 121.413 C4 C5 H8 134.370
C5 C4 H7 128.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.116      
2 C 0.078      
3 N -0.226      
4 C -0.052      
5 C -0.014      
6 H 0.116      
7 H 0.104      
8 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.482 -0.695 0.000 1.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.140 -1.084 0.000
y -1.084 -22.070 0.000
z 0.000 0.000 -26.779
Traceless
 xyz
x -4.716 -1.084 0.000
y -1.084 5.890 0.000
z 0.000 0.000 -1.174
Polar
3z2-r2-2.348
x2-y2-7.070
xy-1.084
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.511 -0.050 0.000
y -0.050 4.445 0.000
z 0.000 0.000 0.826


<r2> (average value of r2) Å2
<r2> 77.538
(<r2>)1/2 8.806