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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-228.960018
Energy at 298.15K-228.964877
Nuclear repulsion energy118.056398
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/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' 3546 3411 25.27      
2 A' 3031 2915 91.68      
3 A' 3004 2890 6.44      
4 A' 1717 1652 91.08      
5 A' 1522 1464 15.35      
6 A' 1436 1382 54.01      
7 A' 1417 1363 29.05      
8 A' 1299 1250 67.04      
9 A' 1085 1044 51.86      
10 A' 876 843 61.62      
11 A' 754 725 9.67      
12 A' 294 283 24.48      
13 A" 3032 2917 25.19      
14 A" 1239 1192 6.14      
15 A" 1118 1076 0.02      
16 A" 761 733 0.01      
17 A" 386 371 132.98      
18 A" 181 174 17.83      

Unscaled Zero Point Vibrational Energy (zpe) 13349.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 12841.8 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/6-31G
ABC
0.59067 0.21622 0.16310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.944 0.000
C2 0.946 -0.229 0.000
O3 -1.370 0.527 0.000
O4 0.529 -1.396 0.000
H5 -1.391 -0.458 0.000
H6 0.211 1.567 0.883
H7 0.211 1.567 -0.883
H8 2.024 -0.005 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50671.43222.39891.97481.10141.10142.2350
C21.50672.43601.23872.34802.13232.13231.1011
O31.43222.43602.70270.98482.08882.08883.4351
O42.39891.23872.70272.13743.10833.10832.0415
H51.97482.34800.98482.13742.72912.72913.4447
H61.10142.13232.08883.10832.72911.76632.5567
H71.10142.13232.08883.10832.72911.76632.5567
H82.23501.10113.43512.04153.44472.55672.5567

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 121.493 C1 C2 H8 117.119
C1 O3 H5 108.158 C2 C1 O3 111.941
C2 C1 H6 108.683 C2 C1 H7 108.683
O3 C1 H6 110.379 O3 C1 H7 110.379
O4 C2 H8 121.388 H6 C1 H7 106.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.056      
2 C 0.192      
3 O -0.610      
4 O -0.385      
5 H 0.378      
6 H 0.172      
7 H 0.172      
8 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.321 1.413 0.000 2.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.703 4.775 0.000
y 4.775 -26.541 0.000
z 0.000 0.000 -23.007
Traceless
 xyz
x 0.071 4.775 0.000
y 4.775 -2.686 0.000
z 0.000 0.000 2.615
Polar
3z2-r25.230
x2-y21.838
xy4.775
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.325 0.325 0.000
y 0.325 4.904 0.000
z 0.000 0.000 2.515


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