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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-244.539884
Energy at 298.15K-244.544697
HF Energy-244.539884
Nuclear repulsion energy162.673238
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 HF/SDD
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' 3559 3204 1.30      
2 A' 3546 3193 0.33      
3 A' 3518 3167 5.34      
4 A' 1703 1533 17.36      
5 A' 1649 1485 39.64      
6 A' 1464 1318 7.19      
7 A' 1373 1237 0.20      
8 A' 1259 1134 26.44      
9 A' 1165 1049 32.97      
10 A' 1154 1039 2.84      
11 A' 1101 991 55.11      
12 A' 997 897 2.28      
13 A' 987 889 56.31      
14 A" 1032 929 0.00      
15 A" 987 888 16.75      
16 A" 892 803 65.95      
17 A" 712 641 36.55      
18 A" 659 593 27.16      

Unscaled Zero Point Vibrational Energy (zpe) 13878.0 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 12495.8 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 HF/SDD
ABC
0.33005 0.32408 0.16352

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.122 0.000
C2 1.098 0.314 0.000
N3 0.754 -0.928 0.000
C4 -0.657 -0.966 0.000
C5 -1.118 0.301 0.000
H6 2.064 0.749 0.000
H7 -1.200 -1.877 0.000
H8 -2.076 0.753 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.36342.18422.18861.38762.09753.22992.1088
C21.36341.28882.17202.21651.05973.17503.2045
N32.18421.28881.41132.23932.12852.17203.2915
C42.18862.17201.41131.34773.21651.06062.2287
C51.38762.21652.23931.34773.21402.17881.0592
H62.09751.05972.12853.21653.21404.18954.1404
H73.22993.17502.17201.06062.17884.18952.7714
H82.10883.20453.29152.22871.05924.14042.7714

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 110.854 O1 C2 H6 119.384
O1 C5 C4 106.274 O1 C5 H8 118.443
C2 O1 C5 107.357 C2 N3 C4 107.023
N3 C2 H6 129.762 N3 C4 C5 108.492
N3 C4 H7 122.332 C4 C5 H8 135.282
C5 C4 H7 129.176
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.429      
2 C 0.116      
3 N -0.247      
4 C -0.178      
5 C -0.012      
6 H 0.253      
7 H 0.245      
8 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.158 -1.163 0.000 1.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.034 -1.326 0.000
y -1.326 -22.096 0.000
z 0.000 0.000 -30.795
Traceless
 xyz
x -7.589 -1.326 0.000
y -1.326 10.319 0.000
z 0.000 0.000 -2.730
Polar
3z2-r2-5.460
x2-y2-11.938
xy-1.326
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.737 -0.035 0.000
y -0.035 5.938 0.000
z 0.000 0.000 2.527


<r2> (average value of r2) Å2
<r2> 76.884
(<r2>)1/2 8.768