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All results from a given calculation for C3H4O (allenol)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-35.261301
Energy at 298.15K-35.264760
Nuclear repulsion energy54.506077
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 B3LYP/CEP-121G*
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' 3764 3648 22.65      
2 A' 3182 3085 7.14      
3 A' 3078 2984 28.16      
4 A' 2011 1950 38.55      
5 A' 1497 1451 51.59      
6 A' 1417 1374 66.31      
7 A' 1270 1232 3.47      
8 A' 1183 1147 143.25      
9 A' 980 950 125.20      
10 A' 903 876 40.75      
11 A' 618 599 22.74      
12 A' 224 217 0.73      
13 A" 3149 3053 15.15      
14 A" 1036 1004 1.68      
15 A" 883 856 30.89      
16 A" 621 602 0.30      
17 A" 413 400 123.36      
18 A" 284 276 2.54      

Unscaled Zero Point Vibrational Energy (zpe) 13256.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 12850.8 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 B3LYP/CEP-121G*
ABC
1.43658 0.14286 0.13352

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.665 -0.490 0.000
C2 0.000 0.649 0.000
C3 -0.653 1.795 0.000
O4 0.113 -1.765 0.000
H5 1.753 -0.532 0.000
H6 -0.936 2.296 0.929
H7 -0.936 2.296 -0.929
H8 -0.855 -1.670 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.31922.63781.38971.08843.34533.34531.9245
C21.31921.31862.41682.11392.11012.11012.4718
C32.63781.31863.64123.34711.09311.09313.4708
O41.38972.41683.64122.05204.29614.29610.9720
H51.08842.11393.34712.05204.01194.01192.8453
H63.34532.11011.09314.29614.01191.85814.0744
H73.34532.11011.09314.29614.01191.85814.0744
H81.92452.47183.47080.97202.84534.07444.0744

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.391 C1 O4 H8 107.840
C2 C1 O4 126.272 C2 C1 H5 122.509
C2 C3 H6 121.795 C2 C3 H7 121.795
O4 C1 H5 111.219 H6 C3 H7 116.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 C 0.512      
3 C -0.693      
4 O -0.486      
5 H 0.180      
6 H 0.174      
7 H 0.174      
8 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.019 0.871 0.000 1.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.126 0.845 0.000
y 0.845 -24.819 0.000
z 0.000 0.000 -24.670
Traceless
 xyz
x 3.619 0.845 0.000
y 0.845 -1.921 0.000
z 0.000 0.000 -1.698
Polar
3z2-r2-3.396
x2-y23.693
xy0.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.193 -2.301 0.000
y -2.301 9.154 0.000
z 0.000 0.000 3.527


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