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All results from a given calculation for C3H4O (allenol)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-190.783391
Energy at 298.15K-190.787097
HF Energy-190.783391
Nuclear repulsion energy103.286437
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/TZVP
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' 4149 3770 68.60      
2 A' 3363 3055 4.43      
3 A' 3268 2969 13.72      
4 A' 2215 2012 32.42      
5 A' 1634 1484 88.99      
6 A' 1537 1397 66.37      
7 A' 1375 1249 6.12      
8 A' 1293 1175 163.58      
9 A' 1074 976 141.95      
10 A' 1060 963 43.71      
11 A' 689 626 32.19      
12 A' 243 221 0.49      
13 A" 3343 3038 5.95      
14 A" 1131 1028 4.29      
15 A" 1024 930 21.62      
16 A" 701 637 3.16      
17 A" 394 358 149.26      
18 A" 312 283 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 14401.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 13084.9 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 HF/TZVP
ABC
1.50069 0.14863 0.13903

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.645 -0.485 0.000
C2 0.000 0.634 0.000
C3 -0.629 1.764 0.000
O4 0.102 -1.727 0.000
H5 1.717 -0.513 0.000
H6 -0.894 2.259 0.918
H7 -0.894 2.259 -0.918
H8 -0.840 -1.675 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.29212.58501.35551.07243.27783.27781.9033
C21.29211.29302.36312.06562.06962.06962.4571
C32.58501.29303.56633.26991.07651.07653.4453
O41.35552.36313.56632.02074.20964.20960.9430
H51.07242.06563.26992.02073.91813.91812.8089
H63.27782.06961.07654.20963.91811.83684.0400
H73.27782.06961.07654.20963.91811.83684.0400
H81.90332.45713.44530.94302.80894.04004.0400

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.134 C1 O4 H8 110.508
C2 C1 O4 126.372 C2 C1 H5 121.488
C2 C3 H6 121.443 C2 C3 H7 121.443
O4 C1 H5 112.141 H6 C3 H7 117.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.058      
2 C -0.087      
3 C -0.233      
4 O -0.380      
5 H 0.121      
6 H 0.121      
7 H 0.121      
8 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.998 1.004 0.000 1.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.325 0.746 0.000
y 0.746 -25.160 0.000
z 0.000 0.000 -24.834
Traceless
 xyz
x 3.672 0.746 0.000
y 0.746 -2.081 0.000
z 0.000 0.000 -1.591
Polar
3z2-r2-3.182
x2-y23.835
xy0.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.149 -2.222 0.000
y -2.222 8.597 0.000
z 0.000 0.000 3.576


<r2> (average value of r2) Å2
<r2> 86.418
(<r2>)1/2 9.296