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All results from a given calculation for C3H4O (allenol)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-190.786869
Energy at 298.15K-190.790565
Nuclear repulsion energy103.367949
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 HF/6-311+G(3df,2p)
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' 4175 3793 73.05      
2 A' 3351 3044 3.16      
3 A' 3260 2962 13.98      
4 A' 2202 2001 33.82      
5 A' 1630 1481 91.91      
6 A' 1534 1394 73.72      
7 A' 1376 1250 6.19      
8 A' 1294 1176 169.30      
9 A' 1074 976 123.81      
10 A' 1052 956 45.45      
11 A' 688 625 26.49      
12 A' 242 220 0.56      
13 A" 3334 3029 4.43      
14 A" 1127 1024 4.13      
15 A" 1020 927 23.49      
16 A" 701 637 1.52      
17 A" 389 353 128.11      
18 A" 311 283 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 14379.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 13064.9 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 HF/6-311+G(3df,2p)
ABC
1.50453 0.14877 0.13918

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.646 -0.486 0.000
C2 0.000 0.635 0.000
C3 -0.633 1.764 0.000
O4 0.106 -1.724 0.000
H5 1.718 -0.510 0.000
H6 -0.906 2.254 0.918
H7 -0.906 2.254 -0.918
H8 -0.833 -1.679 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.29372.58791.35111.07203.27983.27981.9004
C21.29371.29432.36172.06442.06972.06972.4591
C32.58791.29433.56563.27071.07551.07553.4482
O41.35112.36173.56562.01794.20624.20620.9405
H51.07202.06443.27072.01793.91993.91992.8060
H63.27982.06971.07554.20623.91991.83544.0388
H73.27982.06971.07554.20623.91991.83544.0388
H81.90042.45913.44820.94052.80604.03884.0388

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.334 C1 O4 H8 110.773
C2 C1 O4 126.485 C2 C1 H5 121.254
C2 C3 H6 121.430 C2 C3 H7 121.430
O4 C1 H5 112.261 H6 C3 H7 117.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 C 0.265      
3 C -0.484      
4 O -0.694      
5 H 0.164      
6 H 0.159      
7 H 0.159      
8 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.947 0.858 0.000 1.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.473 0.598 0.000
y 0.598 -24.879 0.000
z 0.000 0.000 -24.912
Traceless
 xyz
x 3.423 0.598 0.000
y 0.598 -1.686 0.000
z 0.000 0.000 -1.736
Polar
3z2-r2-3.473
x2-y23.406
xy0.598
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.828 -1.971 0.000
y -1.971 9.108 0.000
z 0.000 0.000 4.364


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