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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-246.014315
Energy at 298.15K-246.018958
HF Energy-246.014315
Nuclear repulsion energy163.790365
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 mPW1PW91/6-31G**
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' 3346 3183 0.45      
2 A' 3320 3159 0.26      
3 A' 3306 3146 2.65      
4 A' 1620 1541 15.98      
5 A' 1571 1495 24.97      
6 A' 1394 1326 3.95      
7 A' 1289 1227 0.23      
8 A' 1206 1148 25.68      
9 A' 1163 1107 9.70      
10 A' 1130 1075 2.25      
11 A' 1105 1051 39.38      
12 A' 937 892 17.73      
13 A' 922 877 17.26      
14 A" 886 843 1.90      
15 A" 847 806 21.73      
16 A" 773 735 27.54      
17 A" 673 640 25.48      
18 A" 635 604 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 13060.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 12427.1 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 mPW1PW91/6-31G**
ABC
0.33950 0.32446 0.16591

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

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 1.124 0.461 0.000
C4 0.751 -0.871 0.000
C5 -0.597 -0.959 0.000
H6 -0.169 2.157 0.000
H7 1.482 -1.664 0.000
H8 -1.314 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35012.22892.19431.36252.06983.24862.0805
C21.35011.28932.10232.13611.07823.12953.1415
N32.22891.28931.38412.23202.13252.15543.2997
C42.19432.10231.38411.35143.16511.07832.2490
C51.36252.13612.23201.35143.14512.19611.0761
H62.06981.07822.13253.16513.14514.16254.0823
H73.24863.12952.15541.07832.19614.16252.7983
H82.08053.14153.29972.24901.07614.08232.7983

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.212 O1 C2 H6 116.498
O1 C5 C4 107.903 O1 C5 H8 116.623
C2 O1 C5 103.896 C2 N3 C4 103.642
N3 C2 H6 128.290 N3 C4 C5 109.348
N3 C4 H7 121.663 C4 C5 H8 135.474
C5 C4 H7 128.989
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.403      
2 C 0.297      
3 N -0.438      
4 C -0.017      
5 C 0.084      
6 H 0.167      
7 H 0.148      
8 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 -0.823 0.000 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.667 -1.183 0.000
y -1.183 -22.099 0.000
z 0.000 0.000 -29.294
Traceless
 xyz
x -4.971 -1.183 0.000
y -1.183 7.882 0.000
z 0.000 0.000 -2.911
Polar
3z2-r2-5.822
x2-y2-8.568
xy-1.183
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.730 0.025 0.000
y 0.025 6.499 0.000
z 0.000 0.000 2.534


<r2> (average value of r2) Å2
<r2> 75.099
(<r2>)1/2 8.666