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All results from a given calculation for C3H4O (allenol)

using model chemistry: HF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-190.765520
Energy at 298.15K-190.769240
Nuclear repulsion energy103.194901
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/6-311G**
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' 4169 3787 66.93      
2 A' 3359 3051 6.57      
3 A' 3261 2963 16.53      
4 A' 2217 2014 36.75      
5 A' 1631 1482 97.68      
6 A' 1534 1394 66.26      
7 A' 1384 1258 6.71      
8 A' 1295 1176 164.58      
9 A' 1076 978 132.58      
10 A' 1049 953 39.17      
11 A' 688 625 30.99      
12 A' 242 220 0.52      
13 A" 3337 3032 8.83      
14 A" 1126 1023 3.78      
15 A" 1021 928 19.59      
16 A" 700 636 3.96      
17 A" 409 372 148.04      
18 A" 314 285 2.47      

Unscaled Zero Point Vibrational Energy (zpe) 14405.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13087.5 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/6-311G**
ABC
1.49696 0.14832 0.13874

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.649 -0.485 0.000
C2 0.000 0.637 0.000
C3 -0.641 1.764 0.000
O4 0.111 -1.728 0.000
H5 1.723 -0.509 0.000
H6 -0.917 2.253 0.920
H7 -0.917 2.253 -0.920
H8 -0.829 -1.670 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.29592.59231.35421.07363.28573.28571.8946
C21.29591.29642.36702.06902.07352.07352.4515
C32.59231.29643.57133.27921.07771.07773.4390
O41.35422.36703.57132.02004.21324.21320.9417
H51.07362.06903.27922.02003.92993.92992.8030
H63.28572.07351.07774.21323.92991.83914.0311
H73.28572.07351.07774.21323.92991.83914.0311
H81.89462.45153.43900.94172.80304.03114.0311

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.576 C1 O4 H8 109.918
C2 C1 O4 126.532 C2 C1 H5 121.377
C2 C3 H6 121.436 C2 C3 H7 121.436
O4 C1 H5 112.091 H6 C3 H7 117.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 C -0.180      
3 C -0.194      
4 O -0.405      
5 H 0.131      
6 H 0.129      
7 H 0.129      
8 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.957 0.904 0.000 1.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.131 0.692 0.000
y 0.692 -24.798 0.000
z 0.000 0.000 -24.626
Traceless
 xyz
x 3.581 0.692 0.000
y 0.692 -1.919 0.000
z 0.000 0.000 -1.662
Polar
3z2-r2-3.323
x2-y23.667
xy0.692
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.762 -2.266 0.000
y -2.266 8.239 0.000
z 0.000 0.000 3.140


<r2> (average value of r2) Å2
<r2> 86.395
(<r2>)1/2 9.295