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All results from a given calculation for C3H4O (allenol)

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-190.743922
Energy at 298.15K-190.747574
Nuclear repulsion energy102.744852
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 HF/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' 4158 3786 70.84      
2 A' 3375 3074 3.19      
3 A' 3277 2984 14.11      
4 A' 2214 2016 34.01      
5 A' 1619 1474 101.92      
6 A' 1524 1388 69.89      
7 A' 1373 1251 6.42      
8 A' 1288 1173 149.66      
9 A' 1071 975 129.97      
10 A' 1042 949 41.15      
11 A' 677 617 26.51      
12 A' 236 215 0.48      
13 A" 3360 3060 4.68      
14 A" 1114 1015 4.67      
15 A" 1007 917 25.11      
16 A" 689 627 0.86      
17 A" 384 350 125.64      
18 A" 295 269 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 14351.7 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 13068.6 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 HF/aug-cc-pVDZ
ABC
1.48635 0.14696 0.13749

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.650 -0.491 0.000
C2 0.000 0.638 0.000
C3 -0.636 1.776 0.000
O4 0.105 -1.735 0.000
H5 1.728 -0.516 0.000
H6 -0.909 2.268 0.925
H7 -0.909 2.268 -0.925
H8 -0.837 -1.680 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.30252.60611.35841.07833.30113.30111.9048
C21.30251.30362.37492.07832.08302.08302.4644
C32.60611.30363.58793.29301.08241.08243.4616
O41.35842.37493.58792.02974.23154.23150.9441
H51.07832.07833.29302.02973.94513.94512.8174
H63.30112.08301.08244.23153.94511.84914.0554
H73.30112.08301.08244.23153.94511.84914.0554
H81.90482.46443.46160.94412.81744.05544.0554

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.241 C1 O4 H8 110.341
C2 C1 O4 126.373 C2 C1 H5 121.322
C2 C3 H6 121.338 C2 C3 H7 121.338
O4 C1 H5 112.305 H6 C3 H7 117.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.219      
2 C -0.634      
3 C 0.621      
4 O -0.679      
5 H -0.249      
6 H -0.199      
7 H -0.199      
8 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.944 0.890 0.000 1.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.578 0.557 0.000
y 0.557 -25.010 0.000
z 0.000 0.000 -25.036
Traceless
 xyz
x 3.445 0.557 0.000
y 0.557 -1.703 0.000
z 0.000 0.000 -1.742
Polar
3z2-r2-3.485
x2-y23.432
xy0.557
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.972 -2.007 0.000
y -2.007 9.295 0.000
z 0.000 0.000 4.484


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000