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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-246.034529
Energy at 298.15K-246.039170
HF Energy-246.034529
Nuclear repulsion energy164.333117
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 B1B95/6-311G*
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' 3328 3190 1.30      
2 A' 3304 3167 0.63      
3 A' 3288 3152 3.91      
4 A' 1615 1548 19.25      
5 A' 1566 1501 26.55      
6 A' 1386 1329 3.41      
7 A' 1284 1231 0.38      
8 A' 1195 1145 26.52      
9 A' 1158 1110 12.35      
10 A' 1122 1075 5.63      
11 A' 1100 1055 40.43      
12 A' 936 898 17.86      
13 A' 921 883 17.51      
14 A" 881 845 1.41      
15 A" 846 811 24.43      
16 A" 770 738 35.31      
17 A" 672 645 26.85      
18 A" 635 609 5.36      

Unscaled Zero Point Vibrational Energy (zpe) 13003.6 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 12465.2 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 B1B95/6-311G*
ABC
0.34177 0.32664 0.16702

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.097 0.307 0.000
C2 0.000 1.087 0.000
N3 1.121 0.461 0.000
C4 0.749 -0.868 0.000
C5 -0.594 -0.955 0.000
H6 -0.170 2.149 0.000
H7 1.481 -1.658 0.000
H8 -1.312 -1.754 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34582.22262.18791.35832.06233.24062.0723
C21.34581.28352.09372.12671.07613.11863.1295
N32.22261.28351.38042.22402.12532.14943.2902
C42.18792.09371.38041.34593.15461.07652.2432
C51.35832.12672.22401.34593.13332.19051.0742
H62.06231.07612.12533.15463.13334.14994.0672
H73.24063.11862.14941.07652.19054.14992.7940
H82.07233.12953.29022.24321.07424.06722.7940

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.394 O1 C2 H6 116.315
O1 C5 C4 108.014 O1 C5 H8 116.363
C2 O1 C5 103.713 C2 N3 C4 103.559
N3 C2 H6 128.292 N3 C4 C5 109.320
N3 C4 H7 121.565 C4 C5 H8 135.623
C5 C4 H7 129.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.216      
2 C 0.085      
3 N -0.298      
4 C -0.166      
5 C -0.101      
6 H 0.241      
7 H 0.221      
8 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.314 -0.806 0.000 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.885 -1.200 0.000
y -1.200 -22.396 0.000
z 0.000 0.000 -29.699
Traceless
 xyz
x -4.838 -1.200 0.000
y -1.200 7.896 0.000
z 0.000 0.000 -3.059
Polar
3z2-r2-6.118
x2-y2-8.489
xy-1.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.877 0.038 0.000
y 0.038 6.623 0.000
z 0.000 0.000 3.009


<r2> (average value of r2) Å2
<r2> 74.913
(<r2>)1/2 8.655