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All results from a given calculation for C3H4O (allenol)

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-191.890196
Energy at 298.15K-191.893653
Nuclear repulsion energy101.733209
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/6-31+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' 3808 3672 38.72      
2 A' 3210 3095 3.14      
3 A' 3111 3000 17.81      
4 A' 2059 1985 33.62      
5 A' 1505 1452 53.39      
6 A' 1414 1363 58.02      
7 A' 1267 1221 10.96      
8 A' 1196 1153 131.92      
9 A' 991 956 134.77      
10 A' 926 893 42.51      
11 A' 626 603 25.38      
12 A' 217 209 0.51      
13 A" 3181 3067 6.57      
14 A" 1038 1001 1.36      
15 A" 894 862 30.81      
16 A" 629 607 0.36      
17 A" 411 396 127.62      
18 A" 273 263 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 13377.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 12898.6 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/6-31+G**
ABC
1.45000 0.14445 0.13500

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.662 -0.486 0.000
C2 0.000 0.647 0.000
C3 -0.654 1.784 0.000
O4 0.117 -1.752 0.000
H5 1.746 -0.526 0.000
H6 -0.938 2.282 0.926
H7 -0.938 2.282 -0.926
H8 -0.849 -1.684 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.31252.62401.37841.08533.32943.32941.9279
C21.31251.31152.40222.10392.10082.10082.4809
C32.62401.31153.61913.33141.08981.08983.4733
O41.37842.40223.61912.03974.27204.27200.9678
H51.08532.10393.33142.03973.99433.99432.8419
H63.32942.10081.08984.27203.99431.85284.0742
H73.32942.10081.08984.27203.99431.85284.0742
H81.92792.48093.47330.96782.84194.07424.0742

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.635 C1 O4 H8 109.262
C2 C1 O4 126.409 C2 C1 H5 122.384
C2 C3 H6 121.781 C2 C3 H7 121.781
O4 C1 H5 111.207 H6 C3 H7 116.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.447      
2 C 0.594      
3 C -0.504      
4 O -0.458      
5 H 0.157      
6 H 0.155      
7 H 0.155      
8 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.032 0.954 0.000 1.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.558 0.898 0.000
y 0.898 -25.411 0.000
z 0.000 0.000 -25.075
Traceless
 xyz
x 3.686 0.898 0.000
y 0.898 -2.094 0.000
z 0.000 0.000 -1.591
Polar
3z2-r2-3.182
x2-y23.853
xy0.898
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.566 -2.175 0.000
y -2.175 9.398 0.000
z 0.000 0.000 3.975


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000