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All results from a given calculation for C3H4O (allenol)

using model chemistry: PBEPBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-191.631943
Energy at 298.15K-191.635345
Nuclear repulsion energy101.229584
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/6-31G*
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' 3617 3565 17.69      
2 A' 3136 3091 5.76      
3 A' 3040 2997 25.93      
4 A' 2023 1995 35.29      
5 A' 1480 1459 47.77      
6 A' 1397 1377 55.73      
7 A' 1275 1257 5.68      
8 A' 1179 1163 116.21      
9 A' 976 962 99.25      
10 A' 875 863 38.98      
11 A' 610 602 16.63      
12 A' 209 206 1.10      
13 A" 3101 3056 13.20      
14 A" 1013 998 0.25      
15 A" 860 848 29.99      
16 A" 608 600 0.42      
17 A" 459 452 111.14      
18 A" 260 257 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 13059.6 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 12872.9 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 PBEPBE/6-31G*
ABC
1.44821 0.14286 0.13364

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.662 -0.492 0.000
C2 0.000 0.651 0.000
C3 -0.657 1.791 0.000
O4 0.121 -1.763 0.000
H5 1.756 -0.538 0.000
H6 -0.947 2.300 0.931
H7 -0.947 2.300 -0.931
H8 -0.854 -1.661 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32072.63741.38081.09493.35463.35461.9144
C21.32071.31672.41642.12002.11782.11782.4646
C32.63741.31673.63843.35381.09971.09973.4582
O41.38082.41643.63842.04304.30304.30300.9806
H51.09492.12003.35382.04304.02804.02802.8417
H63.35462.11781.09974.30304.02801.86184.0704
H73.35462.11781.09974.30304.02801.86184.0704
H81.91442.46463.45820.98062.84174.07044.0704

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.885 C1 O4 H8 107.111
C2 C1 O4 126.868 C2 C1 H5 122.442
C2 C3 H6 122.167 C2 C3 H7 122.167
O4 C1 H5 110.690 H6 C3 H7 115.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 C 0.273      
3 C -0.537      
4 O -0.536      
5 H 0.175      
6 H 0.171      
7 H 0.171      
8 H 0.399      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.011 0.579 0.000 1.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.815 0.965 0.000
y 0.965 -24.063 0.000
z 0.000 0.000 -24.105
Traceless
 xyz
x 3.268 0.965 0.000
y 0.965 -1.603 0.000
z 0.000 0.000 -1.666
Polar
3z2-r2-3.331
x2-y23.247
xy0.965
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.579 -2.216 0.000
y -2.216 8.516 0.000
z 0.000 0.000 2.955


<r2> (average value of r2) Å2
<r2> 88.779
(<r2>)1/2 9.422