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All results from a given calculation for C3H4O (allenol)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-191.740559
Energy at 298.15K-191.734936
HF Energy-191.866702
Nuclear repulsion energy101.827359
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 B3LYP/6-31G*
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' 3733 3585 23.78      
2 A' 3209 3082 6.53      
3 A' 3116 2992 22.61      
4 A' 2078 1995 36.91      
5 A' 1531 1470 47.99      
6 A' 1440 1383 65.69      
7 A' 1302 1251 2.83      
8 A' 1212 1164 127.54      
9 A' 1002 962 114.29      
10 A' 922 885 36.34      
11 A' 630 605 17.65      
12 A' 219 210 1.23      
13 A" 3178 3052 12.95      
14 A" 1052 1010 0.62      
15 A" 903 868 24.14      
16 A" 631 606 1.00      
17 A" 443 425 123.63      
18 A" 280 269 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 13440.3 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 12906.8 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 B3LYP/6-31G*
ABC
1.45948 0.14464 0.13523

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.660 -0.486 0.000
C2 0.000 0.647 0.000
C3 -0.656 1.780 0.000
O4 0.121 -1.752 0.000
H5 1.745 -0.528 0.000
H6 -0.944 2.283 0.924
H7 -0.944 2.283 -0.924
H8 -0.847 -1.668 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.31132.62041.37581.08633.33043.33041.9150
C21.31131.30912.40202.10422.10242.10242.4653
C32.62041.30913.61643.33071.09091.09093.4536
O41.37582.40203.61642.03384.27374.27370.9713
H51.08632.10423.33072.03383.99833.99832.8318
H63.33042.10241.09094.27373.99831.84904.0586
H73.33042.10241.09094.27373.99831.84904.0586
H81.91502.46533.45360.97132.83184.05864.0586

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.932 C1 O4 H8 108.678
C2 C1 O4 127.083 C2 C1 H5 121.970
C2 C3 H6 121.972 C2 C3 H7 121.972
O4 C1 H5 110.947 H6 C3 H7 116.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.071      
2 C 0.257      
3 C -0.507      
4 O -0.574      
5 H 0.168      
6 H 0.162      
7 H 0.162      
8 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.010 0.718 0.000 1.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 87.969
(<r2>)1/2 9.379