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All results from a given calculation for C3H4O (allenol)

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-191.334706
Energy at 298.15K-191.338146
HF Energy-190.728579
Nuclear repulsion energy101.259789
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 CCD/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' 3869 3701 37.81      
2 A' 3237 3097 5.54      
3 A' 3151 3015 12.42      
4 A' 2082 1992 38.75      
5 A' 1527 1461 67.75      
6 A' 1440 1378 45.08      
7 A' 1326 1268 9.39      
8 A' 1214 1161 107.31      
9 A' 1006 962 98.47      
10 A' 916 876 30.53      
11 A' 617 590 21.61      
12 A' 208 199 0.60      
13 A" 3239 3099 6.73      
14 A" 1043 997 1.97      
15 A" 901 862 22.21      
16 A" 625 598 0.71      
17 A" 409 392 113.06      
18 A" 258 247 3.74      

Unscaled Zero Point Vibrational Energy (zpe) 13533.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12947.9 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 CCD/cc-pVDZ
ABC
1.44937 0.14265 0.13351

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.662 -0.500 0.000
C2 0.000 0.648 0.000
C3 -0.655 1.799 0.000
O4 0.115 -1.761 0.000
H5 1.756 -0.530 0.000
H6 -0.936 2.298 0.937
H7 -0.936 2.298 -0.937
H8 -0.845 -1.655 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32492.64941.37431.09503.35583.35581.8979
C21.32491.32462.41162.11472.11622.11622.4525
C32.64941.32463.64253.35261.09811.09813.4589
O41.37432.41163.64252.05134.29684.29680.9659
H51.09502.11473.35262.05134.01574.01572.8336
H63.35582.11621.09814.29684.01571.87374.0637
H73.35582.11621.09814.29684.01571.87374.0637
H81.89792.45253.45890.96592.83364.06374.0637

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.684 C1 O4 H8 107.096
C2 C1 O4 126.618 C2 C1 H5 121.535
C2 C3 H6 121.447 C2 C3 H7 121.447
O4 C1 H5 111.847 H6 C3 H7 117.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.112      
2 C -0.201      
3 C -0.030      
4 O -0.293      
5 H 0.080      
6 H 0.079      
7 H 0.079      
8 H 0.173      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.394 0.779 -0.002
y 0.779 -24.878 -0.003
z -0.002 -0.003 -24.624
Traceless
 xyz
x 3.357 0.779 -0.002
y 0.779 -1.869 -0.003
z -0.002 -0.003 -1.488
Polar
3z2-r2-2.976
x2-y23.484
xy0.779
xz-0.002
yz-0.003


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


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