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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B1B95/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-246.059998
Energy at 298.15K-246.064650
HF Energy-246.059998
Nuclear repulsion energy164.378991
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 B1B95/TZVP
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' 3332 3188 0.52      
2 A' 3303 3161 0.72      
3 A' 3294 3152 2.84      
4 A' 1609 1540 17.50      
5 A' 1560 1493 28.16      
6 A' 1383 1324 3.48      
7 A' 1288 1232 0.32      
8 A' 1190 1139 25.92      
9 A' 1150 1101 12.97      
10 A' 1121 1073 5.21      
11 A' 1098 1050 42.45      
12 A' 937 897 16.53      
13 A' 920 880 18.09      
14 A" 884 846 1.09      
15 A" 852 815 26.27      
16 A" 778 745 33.77      
17 A" 669 640 26.55      
18 A" 629 602 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 12998.6 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 12438.4 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 B1B95/TZVP
ABC
0.34108 0.32764 0.16711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.094 0.306 0.000
C2 0.000 1.091 0.000
N3 1.117 0.461 0.000
C4 0.748 -0.869 0.000
C5 -0.593 -0.958 0.000
H6 -0.167 2.152 0.000
H7 1.478 -1.657 0.000
H8 -1.306 -1.759 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34662.21732.18521.35952.06593.23602.0758
C21.34661.28242.09752.13241.07473.12013.1345
N32.21731.28241.38072.22242.12362.14913.2866
C42.18522.09751.38071.34383.15681.07442.2383
C51.35952.13242.22241.34383.13892.18591.0725
H62.06591.07472.12363.15683.13894.14964.0735
H73.23603.12012.14911.07442.18594.14962.7856
H82.07583.13453.28662.23831.07254.07352.7856

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.979 O1 C2 H6 116.679
O1 C5 C4 107.864 O1 C5 H8 116.698
C2 O1 C5 103.990 C2 N3 C4 103.863
N3 C2 H6 128.342 N3 C4 C5 109.304
N3 C4 H7 121.678 C4 C5 H8 135.438
C5 C4 H7 129.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.122      
2 C -0.019      
3 N -0.097      
4 C -0.166      
5 C -0.014      
6 H 0.139      
7 H 0.135      
8 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.323 -0.840 0.000 1.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.374 -1.253 0.000
y -1.253 -22.631 0.000
z 0.000 0.000 -29.805
Traceless
 xyz
x -5.157 -1.253 0.000
y -1.253 7.959 0.000
z 0.000 0.000 -2.802
Polar
3z2-r2-5.605
x2-y2-8.744
xy-1.253
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.361 0.071 0.000
y 0.071 6.929 0.000
z 0.000 0.000 3.730


<r2> (average value of r2) Å2
<r2> 75.052
(<r2>)1/2 8.663