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All results from a given calculation for C3H4O (allenol)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-191.655127
Energy at 298.15K-191.658489
Nuclear repulsion energy101.138772
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 PBEPBE/6-31+G**
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' 3692 3650 29.77      
2 A' 3140 3104 2.74      
3 A' 3040 3005 20.92      
4 A' 2006 1984 32.90      
5 A' 1453 1437 54.11      
6 A' 1369 1353 47.55      
7 A' 1239 1225 17.58      
8 A' 1162 1148 115.65      
9 A' 965 954 119.91      
10 A' 879 869 44.71      
11 A' 606 599 23.90      
12 A' 207 205 0.54      
13 A" 3108 3072 6.59      
14 A" 997 986 0.81      
15 A" 851 841 35.54      
16 A" 606 599 0.03      
17 A" 426 421 113.83      
18 A" 253 250 4.81      

Unscaled Zero Point Vibrational Energy (zpe) 12999.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 12850.9 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 PBEPBE/6-31+G**
ABC
1.43898 0.14269 0.13342

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.664 -0.492 0.000
C2 0.000 0.650 0.000
C3 -0.655 1.795 0.000
O4 0.116 -1.763 0.000
H5 1.757 -0.535 0.000
H6 -0.941 2.300 0.933
H7 -0.941 2.300 -0.933
H8 -0.857 -1.677 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32152.64041.38401.09383.35283.35281.9275
C21.32151.31892.41662.11932.11562.11562.4799
C32.64041.31893.64123.35351.09841.09843.4779
O41.38402.41663.64122.04954.30084.30080.9768
H51.09382.11933.35352.04954.02294.02292.8520
H63.35282.11561.09844.30084.02291.86564.0854
H73.35282.11561.09844.30084.02291.86564.0854
H81.92752.47993.47790.97682.85204.08544.0854

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.613 C1 O4 H8 108.221
C2 C1 O4 126.539 C2 C1 H5 122.390
C2 C3 H6 121.872 C2 C3 H7 121.872
O4 C1 H5 111.071 H6 C3 H7 116.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.557      
2 C 0.723      
3 C -0.614      
4 O -0.410      
5 H 0.173      
6 H 0.170      
7 H 0.170      
8 H 0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.031 0.843 0.000 1.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.596 0.839 0.000
y 0.839 -25.175 0.000
z 0.000 0.000 -25.146
Traceless
 xyz
x 3.564 0.839 0.000
y 0.839 -1.804 0.000
z 0.000 0.000 -1.760
Polar
3z2-r2-3.521
x2-y23.579
xy0.839
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.688 -2.189 0.000
y -2.189 9.768 0.000
z 0.000 0.000 4.100


<r2> (average value of r2) Å2
<r2> 89.510
(<r2>)1/2 9.461