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All results from a given calculation for C3H4O (allenol)

using model chemistry: MP2=FULL/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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-188.482698
Energy at 298.15K-188.485987
HF Energy-188.251191
Nuclear repulsion energy99.984509
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 MP2=FULL/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' 3870 3440 35.10      
2 A' 3489 3102 5.09      
3 A' 3413 3033 1.62      
4 A' 2150 1911 59.51      
5 A' 1668 1483 7.37      
6 A' 1604 1426 27.21      
7 A' 1469 1306 13.13      
8 A' 1245 1107 23.28      
9 A' 1031 917 33.49      
10 A' 970 862 12.48      
11 A' 637 567 8.06      
12 A' 208 185 0.81      
13 A" 3548 3154 0.07      
14 A" 1140 1013 0.32      
15 A" 982 873 10.07      
16 A" 642 571 1.67      
17 A" 460 409 71.85      
18 A" 269 239 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 14397.3 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 12797.8 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 MP2=FULL/STO-3G
ABC
1.36037 0.14100 0.13125

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.692 -0.471 0.000
C2 0.000 0.663 0.000
C3 -0.707 1.781 0.000
O4 0.147 -1.787 0.000
H5 1.797 -0.491 0.000
H6 -1.018 2.280 0.933
H7 -1.018 2.280 -0.933
H8 -0.854 -1.605 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32842.65081.42491.10523.37083.37081.9175
C21.32841.32252.45462.13582.12642.12642.4234
C32.65081.32253.66883.38081.10301.10303.3891
O41.42492.45463.66882.09864.33254.33251.0174
H51.10522.13583.38082.09864.05864.05862.8758
H63.37082.12641.10304.33254.05861.86613.9990
H73.37082.12641.10304.33254.05861.86613.9990
H81.91752.42343.38911.01742.87583.99903.9990

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.111 C1 O4 H8 102.177
C2 C1 O4 126.097 C2 C1 H5 122.443
C2 C3 H6 122.228 C2 C3 H7 122.228
O4 C1 H5 111.460 H6 C3 H7 115.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 C -0.041      
3 C -0.139      
4 O -0.248      
5 H 0.080      
6 H 0.070      
7 H 0.070      
8 H 0.185      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.936 0.926 0.000
y 0.926 -23.982 0.000
z 0.000 0.000 -22.033
Traceless
 xyz
x 3.071 0.926 0.000
y 0.926 -2.997 0.000
z 0.000 0.000 -0.074
Polar
3z2-r2-0.148
x2-y24.046
xy0.926
xz0.000
yz0.000


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> 89.311
(<r2>)1/2 9.450