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All results from a given calculation for C3H4O (allenol)

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-191.649990
Energy at 298.15K-191.653385
Nuclear repulsion energy101.086073
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3636 3615 24.10      
2 A' 3114 3096 3.89      
3 A' 3020 3003 21.84      
4 A' 2020 2008 32.22      
5 A' 1443 1435 76.39      
6 A' 1361 1353 32.81      
7 A' 1263 1256 15.48      
8 A' 1160 1153 98.97      
9 A' 971 966 93.87      
10 A' 864 859 33.06      
11 A' 603 600 18.76      
12 A' 207 206 0.90      
13 A" 3095 3077 9.02      
14 A" 982 976 0.60      
15 A" 851 847 30.13      
16 A" 606 603 0.55      
17 A" 465 462 93.53      
18 A" 248 247 2.67      

Unscaled Zero Point Vibrational Energy (zpe) 12955.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 12880.3 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/cc-pVDZ
ABC
1.44994 0.14231 0.13322

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.659 -0.498 0.000
C2 0.000 0.651 0.000
C3 -0.653 1.798 0.000
O4 0.118 -1.765 0.000
H5 1.760 -0.537 0.000
H6 -0.939 2.307 0.938
H7 -0.939 2.307 -0.938
H8 -0.856 -1.657 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32412.64391.37811.10163.36153.36151.9076
C21.32411.31982.41912.12302.12252.12252.4617
C32.64391.31983.64553.35741.10531.10533.4610
O41.37812.41913.64552.05064.31044.31040.9798
H51.10162.12303.35742.05064.03134.03132.8455
H63.36152.12251.10534.31044.03131.87694.0743
H73.36152.12251.10534.31044.03131.87694.0743
H81.90762.46173.46100.97982.84554.07434.0743

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.821 C1 O4 H8 106.779
C2 C1 O4 127.054 C2 C1 H5 121.868
C2 C3 H6 121.889 C2 C3 H7 121.889
O4 C1 H5 111.079 H6 C3 H7 116.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 C 0.025      
3 C -0.089      
4 O -0.142      
5 H 0.048      
6 H 0.056      
7 H 0.056      
8 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.952 0.391 0.000 1.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.174 0.859 0.000
y 0.859 -23.921 0.000
z 0.000 0.000 -24.329
Traceless
 xyz
x 2.951 0.859 0.000
y 0.859 -1.170 0.000
z 0.000 0.000 -1.782
Polar
3z2-r2-3.563
x2-y22.747
xy0.859
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.890 -2.212 0.000
y -2.212 8.831 0.000
z 0.000 0.000 3.197


<r2> (average value of r2) Å2
<r2> 89.110
(<r2>)1/2 9.440