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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-245.882442
Energy at 298.15K-245.886971
HF Energy-245.882442
Nuclear repulsion energy162.493464
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 PBEPBE/aug-cc-pVTZ
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' 3218 3197 0.31      
2 A' 3194 3173 0.85      
3 A' 3182 3161 2.36      
4 A' 1520 1510 8.56      
5 A' 1478 1468 27.58      
6 A' 1314 1305 2.86      
7 A' 1227 1219 0.19      
8 A' 1123 1115 15.74      
9 A' 1101 1094 8.36      
10 A' 1056 1049 10.35      
11 A' 1043 1036 33.45      
12 A' 893 887 22.65      
13 A' 883 877 11.13      
14 A" 846 840 3.15      
15 A" 798 793 30.01      
16 A" 733 729 31.23      
17 A" 648 644 22.73      
18 A" 611 607 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 12432.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 12351.6 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 PBEPBE/aug-cc-pVTZ
ABC
0.33403 0.31947 0.16329

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.109 0.310 0.000
C2 0.000 1.104 0.000
N3 1.130 0.463 0.000
C4 0.758 -0.879 0.000
C5 -0.599 -0.966 0.000
H6 -0.169 2.175 0.000
H7 1.494 -1.675 0.000
H8 -1.319 -1.774 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36342.24382.21371.37482.08853.27412.0954
C21.36341.29892.12262.15521.08503.15543.1663
N32.24381.29891.39222.24332.14942.16923.3174
C42.21372.12261.39221.36033.19201.08462.2627
C51.37482.15522.24331.36033.17122.21031.0825
H62.08851.08502.14943.19203.17124.19484.1140
H73.27413.15542.16921.08462.21034.19482.8157
H82.09543.16633.31742.26271.08254.11402.8157

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.851 O1 C2 H6 116.620
O1 C5 C4 108.065 O1 C5 H8 116.517
C2 O1 C5 103.825 C2 N3 C4 104.089
N3 C2 H6 128.529 N3 C4 C5 109.169
N3 C4 H7 121.791 C4 C5 H8 135.418
C5 C4 H7 129.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.238      
2 C -0.226      
3 N -0.449      
4 C -0.231      
5 C -0.341      
6 H 0.521      
7 H 0.464      
8 H 0.501      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.316 -0.791 0.000 1.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.613 -1.302 0.000
y -1.302 -23.171 0.000
z 0.000 0.000 -30.181
Traceless
 xyz
x -4.937 -1.302 0.000
y -1.302 7.726 0.000
z 0.000 0.000 -2.789
Polar
3z2-r2-5.578
x2-y2-8.442
xy-1.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.302 0.166 0.000
y 0.166 8.138 0.000
z 0.000 0.000 4.611


<r2> (average value of r2) Å2
<r2> 76.616
(<r2>)1/2 8.753