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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-229.040567
Energy at 298.15K-229.045347
Nuclear repulsion energy118.384071
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 BLYP/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' 3496 3488 27.26      
2 A' 2883 2876 64.26      
3 A' 2818 2811 108.36      
4 A' 1717 1712 136.49      
5 A' 1450 1446 22.75      
6 A' 1411 1408 79.41      
7 A' 1356 1352 22.73      
8 A' 1264 1261 43.45      
9 A' 1073 1071 70.55      
10 A' 823 821 52.74      
11 A' 741 740 6.26      
12 A' 286 285 23.35      
13 A" 2885 2878 37.37      
14 A" 1205 1202 4.22      
15 A" 1067 1064 0.13      
16 A" 695 693 0.19      
17 A" 383 382 86.78      
18 A" 180 180 12.10      

Unscaled Zero Point Vibrational Energy (zpe) 12866.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 12834.0 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 BLYP/6-311G*
ABC
0.60573 0.21387 0.16290

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.939 0.000
C2 0.936 -0.258 0.000
O3 -1.362 0.560 0.000
O4 0.516 -1.403 0.000
H5 -1.367 -0.422 0.000
H6 0.244 1.561 0.887
H7 0.244 1.561 -0.887
H8 2.033 -0.039 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51981.41402.39811.92881.11041.11042.2559
C21.51982.44021.21982.30882.13922.13921.1179
O31.41402.44022.71720.98262.09002.09003.4477
O42.39811.21982.71722.12273.10613.10612.0398
H51.92882.30880.98262.12272.70452.70453.4208
H61.11042.13922.09003.10612.70451.77312.5589
H71.11042.13922.09003.10612.70451.77312.5589
H82.25591.11793.44772.03983.42082.55892.5589

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 121.795 C1 C2 H8 116.750
C1 O3 H5 105.768 C2 C1 O3 112.509
C2 C1 H6 107.830 C2 C1 H7 107.830
O3 C1 H6 111.204 O3 C1 H7 111.204
O4 C2 H8 121.455 H6 C1 H7 105.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 C 0.038      
3 O -0.525      
4 O -0.261      
5 H 0.369      
6 H 0.203      
7 H 0.203      
8 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.894 1.166 0.000 2.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.609 4.108 0.000
y 4.108 -26.340 0.000
z 0.000 0.000 -23.305
Traceless
 xyz
x 0.214 4.108 0.000
y 4.108 -2.383 0.000
z 0.000 0.000 2.169
Polar
3z2-r24.339
x2-y21.731
xy4.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.026 0.184 0.000
y 0.184 5.330 0.000
z 0.000 0.000 3.067


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