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

using model chemistry: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-227.870026
Energy at 298.15K-227.874984
HF Energy-227.870026
Nuclear repulsion energy120.706796
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 4112 3727 89.86      
2 A' 3148 2854 84.83      
3 A' 3114 2822 42.09      
4 A' 1992 1805 214.80      
5 A' 1613 1462 9.44      
6 A' 1575 1428 44.67      
7 A' 1519 1377 21.62      
8 A' 1394 1264 60.75      
9 A' 1245 1128 98.92      
10 A' 930 843 49.07      
11 A' 818 741 21.35      
12 A' 306 277 23.11      
13 A" 3164 2868 32.75      
14 A" 1375 1246 0.59      
15 A" 1232 1116 0.17      
16 A" 806 730 0.71      
17 A" 350 317 107.31      
18 A" 185 168 13.53      

Unscaled Zero Point Vibrational Energy (zpe) 14438.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 13086.7 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 HF/Def2TZVPP
ABC
0.64167 0.21786 0.16762

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.912 0.000
C2 -0.922 0.289 0.000
O3 1.349 -0.608 0.000
O4 -0.526 1.402 0.000
H5 1.427 0.331 0.000
H6 -0.240 -1.512 0.873
H7 -0.240 -1.512 -0.873
H8 -1.995 0.078 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51431.38272.37371.89231.08621.08622.2273
C21.51432.44141.18122.34892.11452.11451.0936
O31.38272.44142.74920.94202.02582.02583.4134
O42.37371.18122.74922.22793.05563.05561.9771
H51.89232.34890.94202.22792.63362.63363.4309
H61.08622.11452.02583.05562.63361.74692.5241
H71.08622.11452.02583.05562.63361.74692.5241
H82.22731.09363.41341.97713.43092.52412.5241

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 122.956 C1 C2 H8 116.377
C1 O3 H5 107.462 C2 C1 O3 114.781
C2 C1 H6 107.664 C2 C1 H7 107.664
O3 C1 H6 109.691 O3 C1 H7 109.691
O4 C2 H8 120.668 H6 C1 H7 107.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.233      
2 C 0.277      
3 O -0.438      
4 O -0.414      
5 H 0.237      
6 H 0.034      
7 H 0.034      
8 H 0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.009 -1.624 0.000 2.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.768 4.260 0.000
y 4.260 -26.838 0.000
z 0.000 0.000 -23.023
Traceless
 xyz
x 1.162 4.260 0.000
y 4.260 -3.443 0.000
z 0.000 0.000 2.280
Polar
3z2-r24.561
x2-y23.070
xy4.260
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.505 0.229 0.000
y 0.229 4.971 0.000
z 0.000 0.000 3.347


<r2> (average value of r2) Å2
<r2> 72.581
(<r2>)1/2 8.519