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All results from a given calculation for C3H3NO (Oxazole)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-246.023339
Energy at 298.15K-246.027978
HF Energy-246.023339
Nuclear repulsion energy163.701180
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 mPW1PW91/6-31+G**
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 3185 0.48      
2 A' 3325 3165 0.92      
3 A' 3309 3149 2.75      
4 A' 1611 1534 18.83      
5 A' 1561 1486 29.31      
6 A' 1389 1322 3.33      
7 A' 1285 1223 0.24      
8 A' 1200 1142 28.07      
9 A' 1159 1104 10.10      
10 A' 1124 1070 2.03      
11 A' 1100 1047 45.35      
12 A' 935 890 18.97      
13 A' 921 876 14.18      
14 A" 887 844 2.16      
15 A" 850 809 28.93      
16 A" 771 734 40.12      
17 A" 667 635 28.81      
18 A" 629 599 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 13033.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 12405.6 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 mPW1PW91/6-31+G**
ABC
0.33863 0.32457 0.16573

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.098 0.309 0.000
C2 0.000 1.096 0.000
N3 1.123 0.461 0.000
C4 0.752 -0.874 0.000
C5 -0.598 -0.960 0.000
H6 -0.168 2.161 0.000
H7 1.483 -1.666 0.000
H8 -1.316 -1.763 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35082.22602.19511.36402.07253.24972.0830
C21.35081.29002.10802.14151.07823.13483.1469
N32.22601.29001.38532.23232.13442.15723.3003
C42.19512.10801.38531.35273.17081.07832.2505
C51.36402.14152.23231.35273.15092.19771.0763
H62.07251.07822.13443.17083.15094.16774.0882
H73.24973.13482.15721.07832.19774.16772.8005
H82.08303.14693.30032.25051.07634.08822.8005

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.879 O1 C2 H6 116.688
O1 C5 C4 107.803 O1 C5 H8 116.720
C2 O1 C5 104.157 C2 N3 C4 103.934
N3 C2 H6 128.432 N3 C4 C5 109.227
N3 C4 H7 121.739 C4 C5 H8 135.477
C5 C4 H7 129.034
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.245      
2 C 0.111      
3 N -0.260      
4 C -0.141      
5 C -0.011      
6 H 0.182      
7 H 0.176      
8 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.364 -0.868 0.000 1.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.658 -1.316 0.000
y -1.316 -22.565 0.000
z 0.000 0.000 -30.171
Traceless
 xyz
x -5.290 -1.316 0.000
y -1.316 8.349 0.000
z 0.000 0.000 -3.060
Polar
3z2-r2-6.119
x2-y2-9.093
xy-1.316
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.689 0.122 0.000
y 0.122 7.119 0.000
z 0.000 0.000 3.967


<r2> (average value of r2) Å2
<r2> 75.650
(<r2>)1/2 8.698