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All results from a given calculation for C3H4O (allenol)

using model chemistry: MP2/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-191.346033
Energy at 298.15K-191.349341
HF Energy-190.740457
Nuclear repulsion energy100.922072
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/aug-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' 3789 3634 46.56      
2 A' 3250 3117 1.99      
3 A' 3150 3021 12.28      
4 A' 2026 1943 42.30      
5 A' 1487 1426 43.81      
6 A' 1408 1350 55.37      
7 A' 1272 1220 8.19      
8 A' 1185 1136 116.16      
9 A' 974 934 116.17      
10 A' 918 881 30.40      
11 A' 602 577 21.65      
12 A' 193 185 0.35      
13 A" 3243 3110 2.43      
14 A" 1017 976 3.53      
15 A" 885 849 28.41      
16 A" 621 596 0.06      
17 A" 395 379 98.20      
18 A" 208 200 4.93      

Unscaled Zero Point Vibrational Energy (zpe) 13311.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 12765.3 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 MP2/aug-cc-pVDZ
ABC
1.42633 0.14201 0.13275

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.669 -0.498 0.000
C2 0.000 0.649 0.000
C3 -0.657 1.804 0.000
O4 0.112 -1.766 0.000
H5 1.760 -0.535 0.000
H6 -0.937 2.299 0.936
H7 -0.937 2.299 -0.936
H8 -0.853 -1.668 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.32792.65631.38591.09123.35783.35781.9201
C21.32791.32852.41822.12132.11532.11532.4691
C32.65631.32853.65223.36341.09521.09523.4774
O41.38592.41823.65222.05724.30114.30110.9696
H51.09122.12133.36342.05724.02244.02242.8477
H63.35782.11531.09524.30114.02241.87234.0761
H73.35782.11531.09524.30114.02241.87234.0761
H81.92012.46913.47740.96962.84774.07614.0761

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.360 C1 O4 H8 107.891
C2 C1 O4 126.006 C2 C1 H5 122.246
C2 C3 H6 121.262 C2 C3 H7 121.262
O4 C1 H5 111.747 H6 C3 H7 117.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.144      
2 C -0.538      
3 C 0.529      
4 O -0.714      
5 H -0.229      
6 H -0.174      
7 H -0.174      
8 H 0.155      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.553 0.315 0.000
y 0.315 -25.275 0.000
z 0.000 0.000 -25.256
Traceless
 xyz
x 3.713 0.315 0.000
y 0.315 -1.870 0.000
z 0.000 0.000 -1.843
Polar
3z2-r2-3.685
x2-y23.722
xy0.315
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