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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBEPBE/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-245.826201
Energy at 298.15K-245.830711
HF Energy-245.826201
Nuclear repulsion energy161.808160
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-pVDZ
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' 3236 3216 0.34      
2 A' 3216 3197 0.84      
3 A' 3196 3176 2.51      
4 A' 1521 1512 7.30      
5 A' 1480 1471 27.78      
6 A' 1312 1304 2.28      
7 A' 1217 1210 0.31      
8 A' 1119 1112 15.73      
9 A' 1109 1102 8.03      
10 A' 1053 1046 5.64      
11 A' 1040 1033 36.89      
12 A' 891 886 24.43      
13 A' 880 875 8.57      
14 A" 829 824 4.57      
15 A" 788 783 30.03      
16 A" 718 714 31.64      
17 A" 645 642 22.70      
18 A" 607 603 4.03      

Unscaled Zero Point Vibrational Energy (zpe) 12428.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 12353.0 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-pVDZ
ABC
0.33202 0.31609 0.16193

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.113 0.312 0.000
C2 0.000 1.108 0.000
N3 1.136 0.463 0.000
C4 0.762 -0.882 0.000
C5 -0.604 -0.969 0.000
H6 -0.170 2.186 0.000
H7 1.503 -1.686 0.000
H8 -1.331 -1.782 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36782.25362.22321.37832.09803.29142.1057
C21.36781.30582.13082.16261.09203.17193.1816
N32.25361.30581.39632.25372.16172.18013.3358
C42.22322.13081.39631.36943.20691.09282.2787
C51.37832.16262.25371.36943.18502.22581.0907
H62.09801.09202.16173.20693.18504.21784.1349
H73.29143.17192.18011.09282.22584.21782.8357
H82.10573.18163.33582.27871.09074.13492.8357

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.877 O1 C2 H6 116.624
O1 C5 C4 108.015 O1 C5 H8 116.565
C2 O1 C5 103.911 C2 N3 C4 104.053
N3 C2 H6 128.500 N3 C4 C5 109.145
N3 C4 H7 121.819 C4 C5 H8 135.420
C5 C4 H7 129.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.359      
2 C 0.561      
3 N -0.373      
4 C 0.441      
5 C 0.784      
6 H -0.264      
7 H -0.358      
8 H -0.432      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.320 -0.800 0.000 1.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.704 -1.305 0.000
y -1.305 -23.170 0.000
z 0.000 0.000 -30.323
Traceless
 xyz
x -4.957 -1.305 0.000
y -1.305 7.843 0.000
z 0.000 0.000 -2.886
Polar
3z2-r2-5.772
x2-y2-8.533
xy-1.305
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.343 0.172 0.000
y 0.172 8.176 0.000
z 0.000 0.000 4.618


<r2> (average value of r2) Å2
<r2> 77.173
(<r2>)1/2 8.785