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All results from a given calculation for C3H4O (allenol)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-191.335463
Energy at 298.15K-191.338811
HF Energy-190.727676
Nuclear repulsion energy101.654203
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 CCD/6-31+G**
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' 3912 3686 40.70      
2 A' 3291 3101 3.78      
3 A' 3202 3017 12.45      
4 A' 2088 1968 34.79      
5 A' 1551 1462 39.27      
6 A' 1454 1370 61.44      
7 A' 1300 1225 6.50      
8 A' 1219 1149 115.87      
9 A' 1005 947 127.64      
10 A' 933 879 36.64      
11 A' 616 580 25.96      
12 A' 201 190 0.28      
13 A" 3286 3097 5.59      
14 A" 1063 1002 2.38      
15 A" 906 854 27.47      
16 A" 627 591 0.01      
17 A" 353 333 131.36      
18 A" 242 228 7.42      

Unscaled Zero Point Vibrational Energy (zpe) 13624.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 12838.6 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 CCD/6-31+G**
ABC
1.44089 0.14425 0.13473

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.667 -0.489 0.000
C2 0.000 0.645 0.000
C3 -0.654 1.788 0.000
O4 0.111 -1.754 0.000
H5 1.746 -0.528 0.000
H6 -0.933 2.280 0.924
H7 -0.933 2.280 -0.924
H8 -0.849 -1.674 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.31552.63211.38161.08033.32863.32861.9240
C21.31551.31662.40182.10412.09692.09692.4699
C32.63211.31663.62373.33571.08351.08353.4678
O41.38162.40183.62372.04314.26824.26820.9636
H51.08032.10413.33572.04313.99013.99012.8367
H63.32862.09691.08354.26823.99011.84824.0615
H73.32862.09691.08354.26823.99011.84824.0615
H81.92402.46993.46780.96362.83674.06154.0615

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.323 C1 O4 H8 108.948
C2 C1 O4 125.854 C2 C1 H5 122.557
C2 C3 H6 121.472 C2 C3 H7 121.472
O4 C1 H5 111.589 H6 C3 H7 117.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.044      
2 C -0.230      
3 C -0.031      
4 O -0.559      
5 H 0.173      
6 H 0.160      
7 H 0.160      
8 H 0.371      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.583 0.859 -0.002
y 0.859 -25.872 -0.003
z -0.002 -0.003 -25.182
Traceless
 xyz
x 3.945 0.859 -0.002
y 0.859 -2.490 -0.003
z -0.002 -0.003 -1.455
Polar
3z2-r2-2.910
x2-y24.290
xy0.859
xz-0.002
yz-0.003


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