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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-245.795169
Energy at 298.15K-245.799808
HF Energy-245.795169
Nuclear repulsion energy163.765007
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 PBE1PBE/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' 3347 3190 0.44      
2 A' 3324 3168 0.34      
3 A' 3307 3152 2.79      
4 A' 1621 1545 17.00      
5 A' 1572 1499 24.48      
6 A' 1395 1330 3.95      
7 A' 1287 1227 0.21      
8 A' 1210 1153 26.77      
9 A' 1167 1112 9.52      
10 A' 1131 1078 1.89      
11 A' 1106 1054 38.82      
12 A' 937 893 17.86      
13 A' 921 878 17.02      
14 A" 878 836 2.39      
15 A" 841 802 21.95      
16 A" 767 731 27.64      
17 A" 673 642 25.62      
18 A" 636 606 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 13059.4 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 12446.9 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 PBE1PBE/6-31G**
ABC
0.33975 0.32408 0.16586

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.100 0.308 0.000
C2 0.000 1.091 0.000
N3 1.126 0.461 0.000
C4 0.752 -0.871 0.000
C5 -0.598 -0.958 0.000
H6 -0.170 2.157 0.000
H7 1.485 -1.664 0.000
H8 -1.318 -1.760 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34982.23072.19511.36202.06983.25182.0800
C21.34981.28962.10072.13391.08033.12993.1409
N32.23071.28961.38382.23242.13442.15583.3024
C42.19512.10071.38381.35223.16561.08052.2525
C51.36202.13392.23241.35223.14452.19961.0782
H62.06981.08032.13443.16563.14454.16494.0825
H73.25183.12992.15581.08052.19964.16492.8048
H82.08003.14093.30242.25251.07824.08252.8048

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.358 O1 C2 H6 116.370
O1 C5 C4 107.951 O1 C5 H8 116.467
C2 O1 C5 103.796 C2 N3 C4 103.536
N3 C2 H6 128.271 N3 C4 C5 109.358
N3 C4 H7 121.560 C4 C5 H8 135.582
C5 C4 H7 129.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.387      
2 C 0.237      
3 N -0.417      
4 C -0.071      
5 C 0.034      
6 H 0.208      
7 H 0.191      
8 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.343 -0.818 0.000 1.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.669 -1.184 0.000
y -1.184 -22.177 0.000
z 0.000 0.000 -29.396
Traceless
 xyz
x -4.882 -1.184 0.000
y -1.184 7.856 0.000
z 0.000 0.000 -2.974
Polar
3z2-r2-5.947
x2-y2-8.492
xy-1.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.706 0.027 0.000
y 0.027 6.460 0.000
z 0.000 0.000 2.506


<r2> (average value of r2) Å2
<r2> 75.159
(<r2>)1/2 8.669