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All results from a given calculation for C3H4O (allenol)

using model chemistry: QCISD/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 QCISD/STO-3G
 hartrees
Energy at 0K-188.542528
Energy at 298.15K-188.545653
HF Energy-188.246750
Nuclear repulsion energy99.210127
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 QCISD/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' 3683 3683 43.39      
2 A' 3398 3398 3.24      
3 A' 3326 3326 0.87      
4 A' 2110 2110 35.50      
5 A' 1640 1640 6.45      
6 A' 1581 1581 18.41      
7 A' 1433 1433 3.83      
8 A' 1213 1213 9.68      
9 A' 999 999 26.10      
10 A' 933 933 9.52      
11 A' 603 603 6.71      
12 A' 197 197 0.76      
13 A" 3450 3450 0.27      
14 A" 1111 1111 0.28      
15 A" 924 924 8.23      
16 A" 598 598 1.02      
17 A" 412 412 63.77      
18 A" 255 255 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 13933.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13933.3 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 QCISD/STO-3G
ABC
1.33053 0.13910 0.12937

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.702 -0.469 0.000
C2 0.000 0.667 0.000
C3 -0.718 1.790 0.000
O4 0.152 -1.801 0.000
H5 1.813 -0.489 0.000
H6 -1.035 2.290 0.939
H7 -1.035 2.290 -0.939
H8 -0.860 -1.611 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.33582.66841.44101.11143.39253.39251.9343
C21.33581.33272.47332.15032.14112.14112.4352
C32.66841.33273.69503.40601.10981.10983.4038
O41.44102.47333.69502.11694.36194.36191.0293
H51.11142.15033.40602.11694.08794.08792.8986
H63.39252.14111.10984.36194.08791.87814.0161
H73.39252.14111.10984.36194.08791.87814.0161
H81.93432.43523.40381.02932.89864.01614.0161

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.069 C1 O4 H8 101.782
C2 C1 O4 125.879 C2 C1 H5 122.701
C2 C3 H6 122.207 C2 C3 H7 122.207
O4 C1 H5 111.420 H6 C3 H7 115.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at QCISD/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 C -0.040      
3 C -0.135      
4 O -0.241      
5 H 0.079      
6 H 0.070      
7 H 0.070      
8 H 0.179      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.173 0.837 -0.001
y 0.837 -23.512 -0.002
z -0.001 -0.002 -22.075
Traceless
 xyz
x 2.621 0.837 -0.001
y 0.837 -2.388 -0.002
z -0.001 -0.002 -0.233
Polar
3z2-r2-0.466
x2-y23.340
xy0.837
xz-0.001
yz-0.002


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> 90.385
(<r2>)1/2 9.507