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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-228.836564
Energy at 298.15K-228.841418
Nuclear repulsion energy119.097838
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' 3504 3468 34.72      
2 A' 2894 2864 66.93      
3 A' 2843 2813 93.08      
4 A' 1741 1723 141.34      
5 A' 1441 1426 38.28      
6 A' 1409 1394 67.79      
7 A' 1348 1334 27.12      
8 A' 1266 1253 38.41      
9 A' 1108 1096 80.74      
10 A' 848 840 49.87      
11 A' 752 744 5.96      
12 A' 291 288 24.80      
13 A" 2901 2871 31.15      
14 A" 1201 1189 4.64      
15 A" 1062 1051 0.16      
16 A" 684 677 0.09      
17 A" 413 409 88.88      
18 A" 199 197 8.67      

Unscaled Zero Point Vibrational Energy (zpe) 12952.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 12817.7 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
0.60860 0.21835 0.16570

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 -0.254 0.000
O3 -1.348 0.553 0.000
O4 0.502 -1.394 0.000
H5 -1.338 -0.430 0.000
H6 0.250 1.558 0.886
H7 0.250 1.558 -0.886
H8 2.029 -0.042 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50901.40112.38221.91081.11231.11232.2516
C21.50902.41691.21832.27512.12892.12891.1187
O31.40112.41692.68570.98242.08562.08563.4289
O42.38221.21832.68572.07743.09303.09302.0394
H51.91082.27510.98242.07742.69412.69413.3890
H61.11232.12892.08563.09302.69411.77282.5520
H71.11232.12892.08563.09302.69411.77282.5520
H82.25161.11873.42892.03943.38902.55202.5520

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 121.355 C1 C2 H8 117.160
C1 O3 H5 105.221 C2 C1 O3 112.248
C2 C1 H6 107.653 C2 C1 H7 107.653
O3 C1 H6 111.638 O3 C1 H7 111.638
O4 C2 H8 121.484 H6 C1 H7 105.673
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 -0.232      
2 C 0.030      
3 O -0.522      
4 O -0.263      
5 H 0.378      
6 H 0.220      
7 H 0.220      
8 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.893 1.174 0.000 2.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.422 4.040 0.000
y 4.040 -26.090 0.000
z 0.000 0.000 -23.214
Traceless
 xyz
x 0.231 4.040 0.000
y 4.040 -2.273 0.000
z 0.000 0.000 2.042
Polar
3z2-r24.084
x2-y21.669
xy4.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.993 0.165 0.000
y 0.165 5.332 0.000
z 0.000 0.000 3.067


<r2> (average value of r2) Å2
<r2> 73.363
(<r2>)1/2 8.565