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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-245.976134
Energy at 298.15K-245.980737
HF Energy-245.976134
Nuclear repulsion energy163.442326
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3332 3188 0.55      
2 A' 3310 3166 0.41      
3 A' 3292 3149 3.11      
4 A' 1605 1535 14.90      
5 A' 1557 1490 24.91      
6 A' 1383 1323 4.06      
7 A' 1283 1228 0.22      
8 A' 1193 1141 24.75      
9 A' 1153 1103 9.71      
10 A' 1121 1073 3.02      
11 A' 1095 1048 38.10      
12 A' 930 890 17.63      
13 A' 916 876 17.67      
14 A" 870 832 2.92      
15 A" 831 795 22.84      
16 A" 759 726 26.17      
17 A" 669 640 24.73      
18 A" 631 603 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 12963.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12402.1 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 B3PW91/6-31G*
ABC
0.33834 0.32284 0.16520

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.102 0.309 0.000
C2 0.000 1.094 0.000
N3 1.127 0.462 0.000
C4 0.753 -0.873 0.000
C5 -0.598 -0.961 0.000
H6 -0.170 2.161 0.000
H7 1.488 -1.666 0.000
H8 -1.318 -1.764 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35342.23442.19961.36552.07383.25662.0834
C21.35341.29212.10622.14001.08043.13543.1471
N32.23441.29211.38642.23642.13742.15853.3066
C42.19962.10621.38641.35453.17131.08092.2549
C51.36552.14002.23641.35453.15092.20201.0784
H62.07381.08042.13743.17133.15094.17054.0891
H73.25663.13542.15851.08092.20204.17052.8076
H82.08343.14713.30662.25491.07844.08912.8076

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.244 O1 C2 H6 116.422
O1 C5 C4 107.933 O1 C5 H8 116.476
C2 O1 C5 103.830 C2 N3 C4 103.637
N3 C2 H6 128.333 N3 C4 C5 109.355
N3 C4 H7 121.564 C4 C5 H8 135.591
C5 C4 H7 129.081
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.384      
2 C 0.237      
3 N -0.415      
4 C -0.065      
5 C 0.038      
6 H 0.204      
7 H 0.185      
8 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.326 -0.826 0.000 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.635 -1.179 0.000
y -1.179 -22.136 0.000
z 0.000 0.000 -29.319
Traceless
 xyz
x -4.908 -1.179 0.000
y -1.179 7.841 0.000
z 0.000 0.000 -2.933
Polar
3z2-r2-5.866
x2-y2-8.499
xy-1.179
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.730 0.027 0.000
y 0.027 6.514 0.000
z 0.000 0.000 2.508


<r2> (average value of r2) Å2
<r2> 75.348
(<r2>)1/2 8.680