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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: M06-2X/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 M06-2X/6-31G
 hartrees
Energy at 0K-245.875993
Energy at 298.15K-245.880641
HF Energy-245.875993
Nuclear repulsion energy161.571141
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/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' 3379 3379 0.67      
2 A' 3369 3369 4.62      
3 A' 3341 3341 3.54      
4 A' 1596 1596 9.21      
5 A' 1542 1542 27.79      
6 A' 1367 1367 9.01      
7 A' 1276 1276 0.09      
8 A' 1179 1179 20.14      
9 A' 1104 1104 1.86      
10 A' 1093 1093 17.86      
11 A' 1065 1065 36.09      
12 A' 928 928 4.53      
13 A' 922 922 43.08      
14 A" 933 933 0.17      
15 A" 883 883 23.05      
16 A" 807 807 44.07      
17 A" 671 671 32.19      
18 A" 630 630 13.97      

Unscaled Zero Point Vibrational Energy (zpe) 13042.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13042.0 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/6-31G
ABC
0.32595 0.31957 0.16137

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.139 0.000
C2 1.097 0.308 0.000
N3 0.754 -0.949 0.000
C4 -0.657 -0.968 0.000
C5 -1.117 0.309 0.000
H6 2.075 0.751 0.000
H7 -1.212 -1.888 0.000
H8 -2.083 0.774 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.37612.21982.20731.39132.11043.26002.1146
C21.37611.30332.16992.21411.07303.18653.2141
N32.21981.30331.41172.25472.15262.17863.3195
C42.20732.16991.41171.35763.22801.07362.2514
C51.39132.21412.25471.35763.22182.19881.0722
H62.11041.07302.15263.22803.22184.21464.1575
H73.26003.18652.17861.07362.19884.21462.8008
H82.11463.21413.31952.25141.07224.15752.8008

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 111.863 O1 C2 H6 118.499
O1 C5 C4 106.825 O1 C5 H8 117.679
C2 O1 C5 106.269 C2 N3 C4 106.045
N3 C2 H6 129.638 N3 C4 C5 108.998
N3 C4 H7 121.879 C4 C5 H8 135.495
C5 C4 H7 129.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.503      
2 C 0.239      
3 N -0.386      
4 C -0.086      
5 C 0.082      
6 H 0.228      
7 H 0.204      
8 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.125 -1.116 0.000 1.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.717 -1.152 0.000
y -1.152 -21.954 0.000
z 0.000 0.000 -29.932
Traceless
 xyz
x -6.774 -1.152 0.000
y -1.152 9.371 0.000
z 0.000 0.000 -2.597
Polar
3z2-r2-5.193
x2-y2-10.763
xy-1.152
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 -0.010 0.000
y -0.010 6.319 0.000
z 0.000 0.000 2.221


<r2> (average value of r2) Å2
<r2> 77.181
(<r2>)1/2 8.785