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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-246.031499
Energy at 298.15K-246.036117
HF Energy-246.031499
Nuclear repulsion energy163.732922
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 B3PW91/6-311G*
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' 3307 3184 1.18      
2 A' 3284 3162 0.52      
3 A' 3267 3145 3.73      
4 A' 1594 1534 16.52      
5 A' 1547 1489 26.15      
6 A' 1371 1320 3.39      
7 A' 1277 1229 0.32      
8 A' 1176 1132 22.48      
9 A' 1143 1100 12.74      
10 A' 1110 1068 6.92      
11 A' 1087 1046 39.72      
12 A' 934 900 19.38      
13 A' 920 886 17.39      
14 A" 871 839 2.02      
15 A" 835 804 26.37      
16 A" 758 730 35.21      
17 A" 670 645 27.12      
18 A" 632 609 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 12891.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 12410.5 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 B3PW91/6-311G*
ABC
0.33918 0.32433 0.16579

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.100 0.308 0.000
C2 0.000 1.093 0.000
N3 1.124 0.462 0.000
C4 0.752 -0.872 0.000
C5 -0.596 -0.959 0.000
H6 -0.170 2.158 0.000
H7 1.486 -1.664 0.000
H8 -1.316 -1.761 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35122.22912.19641.36382.07053.25222.0798
C21.35121.28842.10372.13661.07903.13133.1419
N32.22911.28841.38492.23102.13312.15633.3001
C42.19642.10371.38491.35113.16741.07942.2508
C51.36382.13662.23101.35113.14622.19831.0771
H62.07051.07902.13313.16743.14624.16514.0826
H73.25223.13132.15631.07942.19834.16512.8038
H82.07983.14193.30012.25081.07714.08262.8038

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.209 O1 C2 H6 116.408
O1 C5 C4 107.993 O1 C5 H8 116.383
C2 O1 C5 103.802 C2 N3 C4 103.746
N3 C2 H6 128.383 N3 C4 C5 109.250
N3 C4 H7 121.597 C4 C5 H8 135.624
C5 C4 H7 129.152
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.218      
2 C 0.086      
3 N -0.303      
4 C -0.164      
5 C -0.099      
6 H 0.242      
7 H 0.222      
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
  -1.323 -0.811 0.000 1.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.959 -1.227 0.000
y -1.227 -22.377 0.000
z 0.000 0.000 -29.782
Traceless
 xyz
x -4.880 -1.227 0.000
y -1.227 7.993 0.000
z 0.000 0.000 -3.114
Polar
3z2-r2-6.228
x2-y2-8.582
xy-1.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.932 0.045 0.000
y 0.045 6.686 0.000
z 0.000 0.000 3.034


<r2> (average value of r2) Å2
<r2> 75.359
(<r2>)1/2 8.681