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All results from a given calculation for C3H4O (allenol)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-190.736077
Energy at 298.15K-190.739797
Nuclear repulsion energy103.307797
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/6-31G(2df,p)
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 3775 64.37      
2 A' 3356 3038 6.70      
3 A' 3270 2961 15.13      
4 A' 2234 2023 35.50      
5 A' 1640 1485 87.66      
6 A' 1538 1393 74.34      
7 A' 1391 1259 5.29      
8 A' 1298 1175 146.25      
9 A' 1078 976 123.84      
10 A' 1048 949 36.22      
11 A' 690 625 21.38      
12 A' 242 219 1.00      
13 A" 3345 3029 8.76      
14 A" 1127 1021 2.82      
15 A" 1025 928 15.37      
16 A" 702 635 2.98      
17 A" 410 371 131.85      
18 A" 319 289 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 14439.7 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 13075.2 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/6-31G(2df,p)
ABC
1.50356 0.14861 0.13903

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.647 -0.485 0.000
C2 0.000 0.636 0.000
C3 -0.637 1.762 0.000
O4 0.109 -1.726 0.000
H5 1.720 -0.511 0.000
H6 -0.913 2.255 0.918
H7 -0.913 2.255 -0.918
H8 -0.831 -1.669 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.29402.58761.35291.07413.28303.28301.8937
C21.29401.29362.36502.06792.07242.07242.4506
C32.58761.29363.56743.27481.07751.07753.4371
O41.35292.36503.56742.01804.21134.21130.9417
H51.07412.06793.27482.01803.92753.92752.8016
H63.28302.07241.07754.21133.92751.83574.0309
H73.28302.07241.07754.21133.92751.83574.0309
H81.89372.45063.43710.94172.80164.03094.0309

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.499 C1 O4 H8 109.937
C2 C1 O4 126.614 C2 C1 H5 121.399
C2 C3 H6 121.594 C2 C3 H7 121.594
O4 C1 H5 111.988 H6 C3 H7 116.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 C 0.124      
3 C -0.466      
4 O -0.520      
5 H 0.171      
6 H 0.164      
7 H 0.164      
8 H 0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.923 0.776 0.000 1.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.801 0.745 0.000
y 0.745 -24.357 0.000
z 0.000 0.000 -24.195
Traceless
 xyz
x 3.474 0.745 0.000
y 0.745 -1.858 0.000
z 0.000 0.000 -1.616
Polar
3z2-r2-3.232
x2-y23.555
xy0.745
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.683 -2.212 0.000
y -2.212 8.147 0.000
z 0.000 0.000 3.247


<r2> (average value of r2) Å2
<r2> 86.003
(<r2>)1/2 9.274