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All results from a given calculation for C3H4O (allenol)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-189.153140
Energy at 298.15K-189.156331
Nuclear repulsion energy99.752118
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/STO-3G
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' 3588 3278 26.07      
2 A' 3349 3059 7.31      
3 A' 3258 2976 2.29      
4 A' 2129 1945 53.62      
5 A' 1604 1466 14.04      
6 A' 1523 1391 33.50      
7 A' 1394 1273 5.18      
8 A' 1209 1104 30.13      
9 A' 1007 920 35.46      
10 A' 926 846 21.31      
11 A' 609 557 8.67      
12 A' 203 186 0.56      
13 A" 3378 3086 0.19      
14 A" 1084 990 0.04      
15 A" 921 841 24.03      
16 A" 608 556 4.80      
17 A" 514 469 58.95      
18 A" 235 214 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 13768.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 12578.9 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/STO-3G
ABC
1.34993 0.14072 0.13092

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.696 -0.468 0.000
C2 0.000 0.667 0.000
C3 -0.714 1.777 0.000
O4 0.155 -1.790 0.000
H5 1.805 -0.498 0.000
H6 -1.033 2.282 0.934
H7 -1.033 2.282 -0.934
H8 -0.866 -1.600 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.33072.65051.42831.10933.38003.38001.9285
C21.33071.31992.46112.14772.13322.13322.4259
C32.65051.31993.67063.39381.10891.10893.3796
O41.42832.46113.67062.09544.34334.34331.0381
H51.10932.14773.39382.09544.08124.08122.8887
H63.38002.13321.10894.34334.08121.86783.9961
H73.38002.13321.10894.34334.08121.86783.9961
H81.92852.42593.37961.03812.88873.99613.9961

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.766 C1 O4 H8 101.706
C2 C1 O4 126.223 C2 C1 H5 123.078
C2 C3 H6 122.630 C2 C3 H7 122.630
O4 C1 H5 110.699 H6 C3 H7 114.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 C -0.063      
3 C -0.183      
4 O -0.179      
5 H 0.098      
6 H 0.087      
7 H 0.087      
8 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.891 0.070 0.000 0.894
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.710 0.749 0.000
y 0.749 -22.289 0.000
z 0.000 0.000 -22.038
Traceless
 xyz
x 2.454 0.749 0.000
y 0.749 -1.416 0.000
z 0.000 0.000 -1.038
Polar
3z2-r2-2.076
x2-y22.580
xy0.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.912 -1.662 0.000
y -1.662 5.765 0.000
z 0.000 0.000 1.195


<r2> (average value of r2) Å2
<r2> 89.139
(<r2>)1/2 9.441