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All results from a given calculation for C3H4O (allenol)

using model chemistry: LSDA/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-188.327036
Energy at 298.15K-188.330310
Nuclear repulsion energy100.640602
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 LSDA/STO-3G
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' 3672 3288 23.44      
2 A' 3396 3041 14.22      
3 A' 3306 2960 7.37      
4 A' 2175 1948 49.70      
5 A' 1609 1441 21.77      
6 A' 1517 1358 30.19      
7 A' 1421 1272 3.72      
8 A' 1225 1097 36.91      
9 A' 1032 924 33.40      
10 A' 952 853 26.40      
11 A' 621 557 11.28      
12 A' 205 184 0.60      
13 A" 3428 3070 0.51      
14 A" 1084 970 0.15      
15 A" 940 841 29.15      
16 A" 622 557 2.93      
17 A" 548 491 70.15      
18 A" 249 223 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 14000.2 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 12537.2 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 LSDA/STO-3G
ABC
1.36658 0.14352 0.13346

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.693 -0.468 0.000
C2 0.000 0.659 0.000
C3 -0.713 1.759 0.000
O4 0.156 -1.768 0.000
H5 1.797 -0.493 0.000
H6 -1.032 2.261 0.930
H7 -1.032 2.261 -0.930
H8 -0.858 -1.581 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32302.63411.40641.10473.35993.35991.9093
C21.32301.31132.43162.13502.12072.12072.3986
C32.63411.31133.63253.37291.10401.10403.3434
O41.40642.43163.63252.07854.30194.30191.0311
H51.10472.13503.37292.07854.05674.05672.8700
H63.35992.12071.10404.30194.05671.86073.9566
H73.35992.12071.10404.30194.05671.86073.9566
H81.90932.39863.34341.03112.87003.95663.9566

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.651 C1 O4 H8 102.023
C2 C1 O4 125.945 C2 C1 H5 122.891
C2 C3 H6 122.574 C2 C3 H7 122.574
O4 C1 H5 111.164 H6 C3 H7 114.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 C -0.067      
3 C -0.214      
4 O -0.190      
5 H 0.115      
6 H 0.102      
7 H 0.102      
8 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.960 0.081 0.000 0.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.437 0.725 0.000
y 0.725 -22.081 0.000
z 0.000 0.000 -21.903
Traceless
 xyz
x 2.555 0.725 0.000
y 0.725 -1.412 0.000
z 0.000 0.000 -1.144
Polar
3z2-r2-2.287
x2-y22.644
xy0.725
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.846 -1.625 0.000
y -1.625 5.604 0.000
z 0.000 0.000 1.171


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