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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-246.070707
Energy at 298.15K-246.075386
HF Energy-246.070707
Nuclear repulsion energy164.145922
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 M06-2X/aug-cc-pVTZ
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' 3289 3144 1.05      
2 A' 3275 3130 1.80      
3 A' 3256 3111 4.41      
4 A' 1615 1544 19.45      
5 A' 1562 1492 29.44      
6 A' 1386 1324 4.45      
7 A' 1283 1226 0.21      
8 A' 1204 1151 30.78      
9 A' 1147 1096 12.53      
10 A' 1122 1072 4.41      
11 A' 1098 1050 39.32      
12 A' 940 898 18.69      
13 A' 921 880 15.03      
14 A" 906 866 2.44      
15 A" 885 845 13.49      
16 A" 779 745 40.48      
17 A" 673 643 30.84      
18 A" 635 607 5.59      

Unscaled Zero Point Vibrational Energy (zpe) 12987.4 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 12412.1 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 M06-2X/aug-cc-pVTZ
ABC
0.33917 0.32754 0.16663

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.092 0.308 0.000
C2 0.000 1.095 0.000
N3 1.117 0.462 0.000
C4 0.748 -0.874 0.000
C5 -0.594 -0.960 0.000
H6 -0.168 2.158 0.000
H7 1.476 -1.665 0.000
H8 -1.308 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34642.21392.18661.36142.06843.23802.0800
C21.34641.28352.10682.13921.07593.13033.1418
N32.21391.28351.38672.22472.12722.15783.2899
C42.18662.10681.38671.34473.16761.07502.2389
C51.36142.13922.22471.34473.14682.18691.0733
H62.06841.07592.12723.16763.14684.16164.0818
H73.23803.13032.15781.07502.18694.16162.7854
H82.08003.14183.28992.23891.07334.08182.7854

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.646 O1 C2 H6 116.833
O1 C5 C4 107.802 O1 C5 H8 116.876
C2 O1 C5 104.367 C2 N3 C4 104.119
N3 C2 H6 128.522 N3 C4 C5 109.066
N3 C4 H7 121.946 C4 C5 H8 135.322
C5 C4 H7 128.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.272      
2 C -0.223      
3 N -0.568      
4 C -0.074      
5 C -0.379      
6 H 0.565      
7 H 0.437      
8 H 0.513      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.336 -0.796 0.000 1.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.518 -1.294 0.000
y -1.294 -22.788 0.000
z 0.000 0.000 -30.160
Traceless
 xyz
x -5.045 -1.294 0.000
y -1.294 8.052 0.000
z 0.000 0.000 -3.007
Polar
3z2-r2-6.015
x2-y2-8.731
xy-1.294
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.873 0.118 -0.000
y 0.118 7.605 0.000
z -0.000 0.000 4.412


<r2> (average value of r2) Å2
<r2> 75.357
(<r2>)1/2 8.681