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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-244.593572
Energy at 298.15K-244.598236
HF Energy-244.593572
Nuclear repulsion energy160.954098
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/3-21G
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' 3356 3218 0.68      
2 A' 3347 3209 4.18      
3 A' 3293 3157 2.19      
4 A' 1564 1499 7.76      
5 A' 1519 1457 18.13      
6 A' 1355 1299 11.93      
7 A' 1284 1231 0.04      
8 A' 1170 1122 13.38      
9 A' 1078 1034 14.61      
10 A' 1064 1020 15.67      
11 A' 1049 1005 14.61      
12 A' 924 886 4.58      
13 A' 914 877 43.03      
14 A" 955 915 1.02      
15 A" 920 882 19.72      
16 A" 822 788 53.41      
17 A" 675 647 27.26      
18 A" 634 607 15.61      

Unscaled Zero Point Vibrational Energy (zpe) 12961.0 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 12425.7 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/3-21G
ABC
0.32316 0.31718 0.16007

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.144 0.000
C2 1.103 0.309 0.000
N3 0.757 -0.949 0.000
C4 -0.662 -0.972 0.000
C5 -1.121 0.306 0.000
H6 2.079 0.754 0.000
H7 -1.218 -1.889 0.000
H8 -2.088 0.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.38342.22592.21751.39932.11493.26892.1218
C21.38341.30482.18102.22381.07213.19723.2238
N32.22591.30481.41922.25902.15542.18793.3227
C42.21752.18101.41921.35873.23871.07262.2494
C51.39932.22382.25901.35873.23052.19791.0713
H62.11491.07212.15543.23873.23054.22564.1667
H73.26893.19722.18791.07262.19794.22562.7950
H82.12183.22383.32272.24941.07134.16672.7950

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 111.758 O1 C2 H6 118.369
O1 C5 C4 107.028 O1 C5 H8 117.764
C2 O1 C5 106.101 C2 N3 C4 106.308
N3 C2 H6 129.873 N3 C4 C5 108.806
N3 C4 H7 122.198 C4 C5 H8 135.209
C5 C4 H7 128.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.501      
2 C 0.298      
3 N -0.502      
4 C -0.092      
5 C 0.025      
6 H 0.271      
7 H 0.242      
8 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.124 -0.998 0.000 1.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.107 -1.150 0.000
y -1.150 -21.832 0.000
z 0.000 0.000 -30.194
Traceless
 xyz
x -6.094 -1.150 0.000
y -1.150 9.318 0.000
z 0.000 0.000 -3.224
Polar
3z2-r2-6.448
x2-y2-10.275
xy-1.150
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.188 -0.040 0.000
y -0.040 6.026 0.000
z 0.000 0.000 1.815


<r2> (average value of r2) Å2
<r2> 77.523
(<r2>)1/2 8.805