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All results from a given calculation for C3H4O (allenol)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-191.306022
Energy at 298.15K-191.309463
HF Energy-190.728179
Nuclear repulsion energy101.202348
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/cc-pVDZ
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' 3816 3634 43.98      
2 A' 3247 3093 4.38      
3 A' 3157 3007 12.53      
4 A' 2050 1953 46.66      
5 A' 1506 1435 56.13      
6 A' 1424 1357 50.10      
7 A' 1311 1249 12.99      
8 A' 1203 1146 115.75      
9 A' 995 947 96.46      
10 A' 905 862 32.09      
11 A' 613 584 21.41      
12 A' 205 196 0.66      
13 A" 3251 3096 5.10      
14 A" 1034 985 1.52      
15 A" 898 856 26.44      
16 A" 629 599 0.40      
17 A" 441 420 109.16      
18 A" 249 237 3.90      

Unscaled Zero Point Vibrational Energy (zpe) 13466.5 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 12826.9 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 MP2/cc-pVDZ
ABC
1.45137 0.14241 0.13331

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.662 -0.502 0.000
C2 0.000 0.648 0.000
C3 -0.656 1.800 0.000
O4 0.116 -1.763 0.000
H5 1.755 -0.533 0.000
H6 -0.936 2.299 0.936
H7 -0.936 2.299 -0.936
H8 -0.846 -1.645 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32692.65241.37411.09433.35803.35801.8922
C21.32691.32562.41432.11582.11642.11642.4447
C32.65241.32563.64603.35531.09741.09743.4507
O41.37412.41433.64602.04944.29984.29980.9697
H51.09432.11583.35532.04944.01794.01792.8294
H63.35802.11641.09744.29984.01791.87264.0552
H73.35802.11641.09744.29984.01791.87264.0552
H81.89222.44473.45070.96972.82944.05524.0552

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.759 C1 O4 H8 106.397
C2 C1 O4 126.717 C2 C1 H5 121.529
C2 C3 H6 121.441 C2 C3 H7 121.441
O4 C1 H5 111.754 H6 C3 H7 117.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 C -0.204      
3 C -0.029      
4 O -0.294      
5 H 0.080      
6 H 0.079      
7 H 0.079      
8 H 0.175      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.133 0.460 0.000
y 0.460 -24.913 0.000
z 0.000 0.000 -24.727
Traceless
 xyz
x 3.688 0.460 0.000
y 0.460 -1.983 0.000
z 0.000 0.000 -1.705
Polar
3z2-r2-3.409
x2-y23.780
xy0.460
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> 0.000
(<r2>)1/2 0.000