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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-245.808575
Energy at 298.15K-245.813086
HF Energy-245.808575
Nuclear repulsion energy161.877961
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/cc-pVDZ
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' 3232 3213 0.39      
2 A' 3210 3191 0.44      
3 A' 3190 3172 2.45      
4 A' 1528 1519 8.22      
5 A' 1489 1481 23.62      
6 A' 1315 1307 2.22      
7 A' 1211 1204 0.46      
8 A' 1122 1115 16.33      
9 A' 1117 1111 7.93      
10 A' 1058 1052 3.55      
11 A' 1047 1041 34.29      
12 A' 893 888 21.92      
13 A' 882 877 13.20      
14 A" 829 825 3.26      
15 A" 784 779 27.97      
16 A" 722 718 21.54      
17 A" 649 645 19.01      
18 A" 612 608 3.28      

Unscaled Zero Point Vibrational Energy (zpe) 12445.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 12372.8 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/cc-pVDZ
ABC
0.33345 0.31536 0.16207

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.115 0.311 0.000
C2 0.000 1.102 0.000
N3 1.140 0.464 0.000
C4 0.763 -0.879 0.000
C5 -0.605 -0.966 0.000
H6 -0.173 2.183 0.000
H7 1.506 -1.684 0.000
H8 -1.335 -1.779 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36682.25992.22331.37562.09533.29382.1017
C21.36681.30582.12242.15421.09513.16633.1749
N32.25991.30581.39492.25552.16292.17873.3399
C42.22332.12241.39491.37003.20171.09532.2827
C51.37562.15422.25551.37003.17842.22901.0929
H62.09531.09512.16293.20173.17844.21544.1287
H73.29383.16632.17871.09532.22904.21542.8424
H82.10173.17493.33992.28271.09294.12872.8424

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.448 O1 C2 H6 116.226
O1 C5 C4 108.146 O1 C5 H8 116.260
C2 O1 C5 103.535 C2 N3 C4 103.552
N3 C2 H6 128.326 N3 C4 C5 109.319
N3 C4 H7 121.608 C4 C5 H8 135.594
C5 C4 H7 129.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.132      
2 C 0.166      
3 N -0.183      
4 C 0.016      
5 C 0.072      
6 H 0.036      
7 H 0.008      
8 H 0.016      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.267 -0.687 0.000 1.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.482 -1.101 0.000
y -1.101 -22.916 0.000
z 0.000 0.000 -29.552
Traceless
 xyz
x -4.248 -1.101 0.000
y -1.101 7.100 0.000
z 0.000 0.000 -2.853
Polar
3z2-r2-5.706
x2-y2-7.565
xy-1.101
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.982 0.039 0.000
y 0.039 7.084 0.000
z 0.000 0.000 2.798


<r2> (average value of r2) Å2
<r2> 76.659
(<r2>)1/2 8.756