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All results from a given calculation for CHOCH2OH (hydroxy acetaldehyde)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS H in 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-228.848185
Energy at 298.15K-228.853081
Nuclear repulsion energy119.201982
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 PBEPBE/6-311G**
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' 3542 3510 59.26      
2 A' 2889 2863 61.36      
3 A' 2839 2813 85.39      
4 A' 1737 1721 140.48      
5 A' 1425 1412 39.59      
6 A' 1394 1381 50.89      
7 A' 1337 1324 27.28      
8 A' 1259 1247 32.47      
9 A' 1104 1094 78.81      
10 A' 849 842 50.48      
11 A' 752 745 6.08      
12 A' 288 286 24.90      
13 A" 2898 2871 26.15      
14 A" 1193 1182 4.14      
15 A" 1059 1049 0.22      
16 A" 683 677 0.01      
17 A" 434 430 77.35      
18 A" 212 210 4.45      

Unscaled Zero Point Vibrational Energy (zpe) 12946.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 12828.3 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 PBEPBE/6-311G**
ABC
0.60738 0.21938 0.16620

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.935 0.000
C2 0.930 -0.253 0.000
O3 -1.348 0.550 0.000
O4 0.498 -1.392 0.000
H5 -1.316 -0.431 0.000
H6 0.255 1.556 0.887
H7 0.255 1.556 -0.887
H8 2.028 -0.039 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50851.40192.37921.89741.11231.11232.2495
C21.50852.41531.21852.25382.12462.12461.1183
O31.40192.41532.67860.98172.08992.08993.4267
O42.37921.21852.67862.05253.08783.08782.0427
H51.89742.25380.98172.05252.68432.68433.3673
H61.11232.12462.08993.08782.68431.77362.5443
H71.11232.12462.08993.08782.68431.77362.5443
H82.24951.11833.42672.04273.36732.54432.5443

picture of hydroxy acetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.129 C1 C2 H8 117.044
C1 O3 H5 104.112 C2 C1 O3 112.126
C2 C1 H6 107.359 C2 C1 H7 107.359
O3 C1 H6 111.944 O3 C1 H7 111.944
O4 C2 H8 121.827 H6 C1 H7 105.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 C 0.090      
3 O -0.356      
4 O -0.265      
5 H 0.231      
6 H 0.130      
7 H 0.130      
8 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.878 1.275 0.000 2.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.311 3.788 0.000
y 3.788 -25.941 0.000
z 0.000 0.000 -23.128
Traceless
 xyz
x 0.223 3.788 0.000
y 3.788 -2.221 0.000
z 0.000 0.000 1.998
Polar
3z2-r23.996
x2-y21.630
xy3.788
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.055 0.153 0.000
y 0.153 5.380 0.000
z 0.000 0.000 3.146


<r2> (average value of r2) Å2
<r2> 73.103
(<r2>)1/2 8.550