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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-245.994673
Energy at 298.15K-245.999309
HF Energy-245.994673
Nuclear repulsion energy163.745309
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(2df,p)
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' 3312 3184 0.60      
2 A' 3286 3159 0.35      
3 A' 3275 3148 2.65      
4 A' 1592 1530 14.88      
5 A' 1547 1487 21.35      
6 A' 1370 1317 4.04      
7 A' 1274 1225 0.39      
8 A' 1187 1141 23.15      
9 A' 1146 1102 9.21      
10 A' 1116 1073 5.67      
11 A' 1090 1048 31.58      
12 A' 932 896 16.98      
13 A' 917 881 18.07      
14 A" 878 844 1.99      
15 A" 848 815 18.34      
16 A" 774 744 25.65      
17 A" 671 645 22.79      
18 A" 634 609 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 12923.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 12424.2 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 B3PW91/6-31G(2df,p)
ABC
0.33936 0.32424 0.16581

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.100 0.309 0.000
C2 0.000 1.092 0.000
N3 1.125 0.461 0.000
C4 0.752 -0.873 0.000
C5 -0.597 -0.957 0.000
H6 -0.170 2.157 0.000
H7 1.482 -1.667 0.000
H8 -1.317 -1.758 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34992.23052.19681.36252.06913.25162.0785
C21.34991.29022.10382.13441.07913.13183.1396
N32.23051.29021.38552.23152.13462.15763.3001
C42.19682.10381.38551.35163.16771.07892.2502
C51.36252.13442.23151.35163.14402.19741.0768
H62.06911.07912.13463.16773.14404.16614.0801
H73.25163.13182.15761.07892.19744.16612.8011
H82.07853.13963.30012.25021.07684.08012.8011

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.292 O1 C2 H6 116.374
O1 C5 C4 108.076 O1 C5 H8 116.392
C2 O1 C5 103.790 C2 N3 C4 103.619
N3 C2 H6 128.334 N3 C4 C5 109.224
N3 C4 H7 121.715 C4 C5 H8 135.532
C5 C4 H7 129.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.159      
2 C 0.090      
3 N -0.279      
4 C -0.118      
5 C -0.039      
6 H 0.177      
7 H 0.154      
8 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.331 -0.758 0.000 1.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.308 -1.189 0.000
y -1.189 -22.239 0.000
z 0.000 0.000 -29.096
Traceless
 xyz
x -4.641 -1.189 0.000
y -1.189 7.463 0.000
z 0.000 0.000 -2.822
Polar
3z2-r2-5.645
x2-y2-8.069
xy-1.189
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.903 0.038 0.000
y 0.038 6.778 0.000
z 0.000 0.000 2.979


<r2> (average value of r2) Å2
<r2> 75.044
(<r2>)1/2 8.663