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All results from a given calculation for C3H4O (allenol)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-190.744699
Energy at 298.15K-190.748221
HF Energy-190.744699
Nuclear repulsion energy101.541205
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 wB97X-D/3-21G*
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' 3629 3440 17.62      
2 A' 3249 3079 3.14      
3 A' 3151 2986 10.01      
4 A' 2117 2007 20.41      
5 A' 1548 1467 23.79      
6 A' 1439 1363 55.39      
7 A' 1346 1276 0.60      
8 A' 1216 1152 107.57      
9 A' 979 927 49.10      
10 A' 974 924 145.51      
11 A' 629 596 25.78      
12 A' 206 195 0.73      
13 A" 3223 3055 6.76      
14 A" 1093 1035 0.00      
15 A" 954 904 33.96      
16 A" 642 609 2.27      
17 A" 460 436 176.54      
18 A" 268 254 4.78      

Unscaled Zero Point Vibrational Energy (zpe) 13560.0 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 12852.2 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 wB97X-D/3-21G*
ABC
1.45401 0.14380 0.13446

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.663 -0.468 0.000
C2 0.000 0.661 0.000
C3 -0.692 1.767 0.000
O4 0.151 -1.757 0.000
H5 1.746 -0.480 0.000
H6 -0.974 2.266 0.925
H7 -0.974 2.266 -0.925
H8 -0.831 -1.759 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.30892.61371.38661.08293.31863.31861.9746
C21.30891.30502.42212.08542.09372.09372.5588
C32.61371.30503.62333.31541.08861.08863.5294
O41.38662.42213.62332.04274.27874.27870.9819
H51.08292.08543.31542.04273.97463.97462.8766
H63.31862.09371.08864.27873.97461.85074.1331
H73.31862.09371.08864.27873.97461.85074.1331
H81.97462.55883.52940.98192.87664.13314.1331

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.409 C1 O4 H8 111.818
C2 C1 O4 127.917 C2 C1 H5 121.063
C2 C3 H6 121.756 C2 C3 H7 121.756
O4 C1 H5 111.020 H6 C3 H7 116.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.062      
2 C 0.025      
3 C -0.503      
4 O -0.559      
5 H 0.257      
6 H 0.233      
7 H 0.233      
8 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.222 0.833 0.000 1.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.707 1.069 0.000
y 1.069 -24.249 0.000
z 0.000 0.000 -24.232
Traceless
 xyz
x 3.534 1.069 0.000
y 1.069 -1.780 0.000
z 0.000 0.000 -1.754
Polar
3z2-r2-3.508
x2-y23.542
xy1.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.027 -2.201 0.000
y -2.201 7.652 0.000
z 0.000 0.000 2.297


<r2> (average value of r2) Å2
<r2> 88.348
(<r2>)1/2 9.399