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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-245.918768
Energy at 298.15K-245.923188
HF Energy-245.918768
Nuclear repulsion energy158.953188
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 BLYP/6-31G
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' 3281 3256 0.44      
2 A' 3271 3246 0.30      
3 A' 3239 3214 2.34      
4 A' 1492 1481 3.75      
5 A' 1433 1422 18.48      
6 A' 1290 1280 11.80      
7 A' 1230 1220 0.42      
8 A' 1126 1118 8.99      
9 A' 1030 1022 1.40      
10 A' 979 971 16.34      
11 A' 946 938 19.40      
12 A' 867 860 18.55      
13 A' 845 839 32.15      
14 A" 850 843 4.32      
15 A" 776 771 45.44      
16 A" 735 729 16.54      
17 A" 636 631 20.11      
18 A" 592 588 7.99      

Unscaled Zero Point Vibrational Energy (zpe) 12308.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 12214.9 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 BLYP/6-31G
ABC
0.31710 0.30744 0.15610

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.121 0.311 0.000
C2 0.000 1.148 0.000
N3 1.137 0.474 0.000
C4 0.769 -0.900 0.000
C5 -0.605 -1.002 0.000
H6 -0.166 2.218 0.000
H7 1.511 -1.689 0.000
H8 -1.318 -1.814 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.39912.26352.24451.41102.13243.30612.1345
C21.39911.32162.18842.23401.08213.21513.2428
N32.26351.32161.42342.28312.17642.19583.3564
C42.24452.18841.42341.37703.25531.08352.2782
C51.41102.23402.28311.37703.24972.22491.0812
H62.13241.08212.17643.25533.24974.25184.1935
H73.30613.21512.19581.08352.22494.25182.8327
H82.13453.24283.35642.27821.08124.19352.8327

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.570 O1 C2 H6 117.936
O1 C5 C4 107.224 O1 C5 H8 117.232
C2 O1 C5 105.306 C2 N3 C4 105.676
N3 C2 H6 129.493 N3 C4 C5 109.225
N3 C4 H7 121.718 C4 C5 H8 135.544
C5 C4 H7 129.057
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.411      
2 C 0.208      
3 N -0.327      
4 C -0.033      
5 C 0.098      
6 H 0.169      
7 H 0.139      
8 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.032 -1.047 0.000 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.224 -1.135 0.000
y -1.135 -22.351 0.000
z 0.000 0.000 -29.672
Traceless
 xyz
x -6.213 -1.135 0.000
y -1.135 8.597 0.000
z 0.000 0.000 -2.385
Polar
3z2-r2-4.770
x2-y2-9.873
xy-1.135
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.879 0.019 0.000
y 0.019 6.813 0.000
z 0.000 0.000 2.269


<r2> (average value of r2) Å2
<r2> 79.025
(<r2>)1/2 8.890