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All results from a given calculation for CH2CHOH (ethenol)

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-152.151833
Energy at 298.15K-152.156005
Nuclear repulsion energy69.710699
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' 3395 3339 6.53      
2 A' 3207 3154 3.17      
3 A' 3127 3076 3.88      
4 A' 3101 3050 6.22      
5 A' 1688 1660 120.76      
6 A' 1436 1413 10.17      
7 A' 1365 1342 3.97      
8 A' 1318 1296 10.07      
9 A' 1081 1064 174.96      
10 A' 959 943 5.11      
11 A' 475 467 14.35      
12 A" 987 970 35.53      
13 A" 825 811 127.41      
14 A" 701 689 0.00      
15 A" 539 530 134.16      

Unscaled Zero Point Vibrational Energy (zpe) 12100.9 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 11902.5 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
2.01981 0.34560 0.29511

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 1.222 -0.093 0.000
C2 0.000 0.435 0.000
O3 -1.203 -0.217 0.000
H4 1.394 -1.175 0.000
H5 2.101 0.552 0.000
H6 -0.162 1.518 0.000
H7 -1.045 -1.210 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.33172.42841.09581.09042.12402.5278
C21.33171.36862.13032.10461.09481.9494
O32.42841.36862.76813.39272.02411.0050
H41.09582.13032.76811.86653.11062.4399
H51.09042.10463.39271.86652.46053.6065
H62.12401.09482.02413.11062.46052.8678
H72.52781.94941.00502.43993.60652.8678

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 128.129 C1 C2 H6 121.865
C2 C1 H4 122.409 C2 C1 H5 120.343
C2 O3 H7 109.472 O3 C2 H6 110.006
H4 C1 H5 117.248
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 -0.496      
2 C 0.015      
3 O -0.511      
4 H 0.186      
5 H 0.209      
6 H 0.235      
7 H 0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.417 -1.069 0.000 1.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.822 1.635 0.000
y 1.635 -13.824 0.000
z 0.000 0.000 -20.569
Traceless
 xyz
x -2.625 1.635 0.000
y 1.635 6.372 0.000
z 0.000 0.000 -3.747
Polar
3z2-r2-7.493
x2-y2-5.998
xy1.635
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.906 -0.085 0.000
y -0.085 3.757 0.000
z 0.000 0.000 1.073


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