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All results from a given calculation for C3H4O (allenol)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-191.955508
Energy at 298.15K-191.958985
Nuclear repulsion energy102.218997
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/aug-cc-pVTZ
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' 3795 3671 40.81      
2 A' 3185 3082 2.40      
3 A' 3094 2993 17.56      
4 A' 2048 1982 29.16      
5 A' 1501 1453 53.83      
6 A' 1415 1369 56.35      
7 A' 1274 1232 4.90      
8 A' 1193 1154 125.29      
9 A' 986 954 129.44      
10 A' 933 903 35.97      
11 A' 629 608 21.24      
12 A' 217 210 0.52      
13 A" 3158 3055 4.90      
14 A" 1039 1005 2.27      
15 A" 901 872 26.13      
16 A" 636 616 0.19      
17 A" 408 395 103.55      
18 A" 269 260 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 13339.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12906.4 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 B3LYP/aug-cc-pVTZ
ABC
1.46050 0.14597 0.13639

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.658 -0.481 0.000
C2 0.000 0.644 0.000
C3 -0.650 1.773 0.000
O4 0.115 -1.745 0.000
H5 1.739 -0.516 0.000
H6 -0.934 2.269 0.923
H7 -0.934 2.269 -0.923
H8 -0.846 -1.677 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.30422.60681.37551.08153.30983.30981.9214
C21.30421.30262.39242.09072.08922.08922.4704
C32.60681.30263.60083.30881.08561.08563.4555
O41.37552.39243.60082.03684.25104.25100.9638
H51.08152.09073.30882.03683.96933.96932.8340
H63.30982.08921.08564.25103.96931.84564.0536
H73.30982.08921.08564.25103.96931.84564.0536
H81.92142.47043.45550.96382.83404.05364.0536

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.609 C1 O4 H8 109.175
C2 C1 O4 126.426 C2 C1 H5 122.141
C2 C3 H6 121.782 C2 C3 H7 121.782
O4 C1 H5 111.434 H6 C3 H7 116.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.449      
2 C 0.722      
3 C -0.915      
4 O -0.353      
5 H 0.358      
6 H 0.249      
7 H 0.249      
8 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.953 0.833 0.000 1.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.635 0.730 0.000
y 0.730 -25.013 0.000
z 0.000 0.000 -24.934
Traceless
 xyz
x 3.339 0.730 0.000
y 0.730 -1.729 0.000
z 0.000 0.000 -1.610
Polar
3z2-r2-3.220
x2-y23.378
xy0.730
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.248 -1.888 0.000
y -1.888 9.783 0.000
z 0.000 0.000 4.787


<r2> (average value of r2) Å2
<r2> 87.828
(<r2>)1/2 9.372