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

using model chemistry: CID/6-31G

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 CID/6-31G
 hartrees
Energy at 0K-228.044612
Energy at 298.15K-228.049389
Nuclear repulsion energy117.833991
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 CID/6-31G
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' 3750 3507 37.51      
2 A' 3123 2921 67.33      
3 A' 3093 2893 8.48      
4 A' 1787 1671 75.76      
5 A' 1592 1489 9.33      
6 A' 1489 1392 55.75      
7 A' 1473 1377 11.04      
8 A' 1346 1259 76.54      
9 A' 1122 1049 45.30      
10 A' 907 849 55.30      
11 A' 768 718 16.62      
12 A' 309 289 22.31      
13 A" 3129 2926 25.30      
14 A" 1281 1198 5.38      
15 A" 1170 1094 0.30      
16 A" 803 751 0.02      
17 A" 336 315 145.98      
18 A" 119 111 38.74      

Unscaled Zero Point Vibrational Energy (zpe) 13798.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 12904.3 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 CID/6-31G
ABC
0.59083 0.21402 0.16187

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.948 0.000
C2 0.949 -0.231 0.000
O3 -1.376 0.526 0.000
O4 0.541 -1.398 0.000
H5 -1.430 -0.445 0.000
H6 0.195 1.566 0.885
H7 0.195 1.566 -0.885
H8 2.022 -0.008 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51351.43882.40771.99621.09711.09712.2364
C21.51352.44451.23582.38792.14062.14061.0963
O31.43882.44452.71620.97272.08162.08163.4392
O42.40771.23582.71622.18943.11303.11302.0309
H51.99622.38790.97272.18942.73312.73313.4791
H61.09712.14062.08163.11302.73311.76992.5685
H71.09712.14062.08163.11302.73311.76992.5685
H82.23641.09633.43922.03093.47912.56852.5685

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 121.951 C1 C2 H8 117.052
C1 O3 H5 110.237 C2 C1 O3 111.762
C2 C1 H6 109.120 C2 C1 H7 109.120
O3 C1 H6 109.603 O3 C1 H7 109.603
O4 C2 H8 120.998 H6 C1 H7 107.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CID/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 C 0.291      
3 O -0.754      
4 O -0.522      
5 H 0.440      
6 H 0.198      
7 H 0.198      
8 H 0.183      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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