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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-244.539503
Energy at 298.15K-244.544315
HF Energy-244.539503
Nuclear repulsion energy162.667181
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/LANL2DZ
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' 3560 3203 1.34      
2 A' 3547 3192 0.31      
3 A' 3519 3166 5.35      
4 A' 1703 1533 17.07      
5 A' 1650 1485 39.65      
6 A' 1464 1317 7.05      
7 A' 1373 1236 0.20      
8 A' 1259 1133 26.45      
9 A' 1166 1049 32.16      
10 A' 1155 1039 2.99      
11 A' 1101 991 55.19      
12 A' 997 897 2.12      
13 A' 988 889 56.47      
14 A" 1032 929 0.00      
15 A" 986 888 16.93      
16 A" 892 802 66.14      
17 A" 712 641 36.47      
18 A" 659 593 27.16      

Unscaled Zero Point Vibrational Energy (zpe) 13880.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 12491.4 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/LANL2DZ
ABC
0.33001 0.32407 0.16351

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

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
O11.36342.18442.18881.38762.09743.23012.1088
C21.36341.28882.17202.21651.05963.17503.2046
N32.18441.28881.41132.23962.12862.17213.2917
C42.18882.17201.41131.34813.21651.06062.2290
C51.38762.21652.23961.34813.21402.17911.0592
H62.09741.05962.12863.21653.21404.18954.1404
H73.23013.17502.17211.06062.17914.18952.7718
H82.10883.20463.29172.22901.05924.14042.7718

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 110.860 O1 C2 H6 119.381
O1 C5 C4 106.271 O1 C5 H8 118.445
C2 O1 C5 107.359 C2 N3 C4 107.022
N3 C2 H6 129.759 N3 C4 C5 108.489
N3 C4 H7 122.337 C4 C5 H8 135.284
C5 C4 H7 129.174
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.426      
2 C 0.110      
3 N -0.242      
4 C -0.178      
5 C -0.013      
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 -1.164 0.000 1.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.046 -1.325 0.000
y -1.325 -22.104 0.000
z 0.000 0.000 -30.792
Traceless
 xyz
x -7.598 -1.325 0.000
y -1.325 10.315 0.000
z 0.000 0.000 -2.717
Polar
3z2-r2-5.434
x2-y2-11.943
xy-1.325
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 5.939 0.000
z 0.000 0.000 2.491


<r2> (average value of r2) Å2
<r2> 76.892
(<r2>)1/2 8.769