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All results from a given calculation for C3H4O (allenol)

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-189.777662
Energy at 298.15K-189.781110
Nuclear repulsion energy101.412310
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 LSDA/3-21G
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' 3405 3349 10.33      
2 A' 3121 3070 1.70      
3 A' 3024 2975 11.88      
4 A' 2071 2037 25.03      
5 A' 1483 1459 27.58      
6 A' 1378 1355 44.94      
7 A' 1315 1293 0.44      
8 A' 1189 1170 107.39      
9 A' 955 939 108.15      
10 A' 914 899 58.12      
11 A' 608 598 24.95      
12 A' 196 193 1.06      
13 A" 3088 3037 6.59      
14 A" 1032 1015 0.59      
15 A" 906 891 44.08      
16 A" 625 615 2.28      
17 A" 490 482 152.12      
18 A" 249 245 3.38      

Unscaled Zero Point Vibrational Energy (zpe) 13023.4 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 12809.8 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 LSDA/3-21G
ABC
1.46257 0.14350 0.13431

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.652 -0.479 0.000
C2 0.000 0.655 0.000
C3 -0.660 1.780 0.000
O4 0.134 -1.762 0.000
H5 1.746 -0.512 0.000
H6 -0.952 2.289 0.931
H7 -0.952 2.289 -0.931
H8 -0.869 -1.705 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.30842.61241.38361.09483.33203.33201.9530
C21.30841.30412.42112.10072.10772.10772.5146
C32.61241.30413.63013.32351.10041.10043.4908
O41.38362.42113.63012.03984.29644.29641.0046
H51.09482.10073.32352.03983.99953.99952.8740
H63.33202.10771.10044.29643.99951.86174.1015
H73.33202.10771.10044.29643.99951.86174.1015
H81.95302.51463.49081.00462.87404.10154.1015

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.485 C1 O4 H8 108.688
C2 C1 O4 128.133 C2 C1 H5 121.631
C2 C3 H6 122.229 C2 C3 H7 122.229
O4 C1 H5 110.236 H6 C3 H7 115.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 C 0.111      
3 C -0.539      
4 O -0.490      
5 H 0.250      
6 H 0.226      
7 H 0.226      
8 H 0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.264 0.534 0.000 1.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.885 1.139 0.000
y 1.139 -23.852 0.000
z 0.000 0.000 -24.329
Traceless
 xyz
x 3.206 1.139 0.000
y 1.139 -1.245 0.000
z 0.000 0.000 -1.960
Polar
3z2-r2-3.921
x2-y22.967
xy1.139
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.172 -2.122 0.000
y -2.122 7.972 0.000
z 0.000 0.000 2.395


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