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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-227.831531
Energy at 298.15K-227.836417
Nuclear repulsion energy120.646259
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/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' 4119 3742 86.33      
2 A' 3158 2869 77.17      
3 A' 3123 2837 53.78      
4 A' 2004 1821 213.64      
5 A' 1616 1468 7.98      
6 A' 1579 1435 55.93      
7 A' 1516 1378 24.94      
8 A' 1397 1269 58.80      
9 A' 1247 1133 93.20      
10 A' 933 848 48.02      
11 A' 821 746 23.84      
12 A' 314 285 23.76      
13 A" 3178 2887 41.54      
14 A" 1368 1243 0.66      
15 A" 1231 1118 0.12      
16 A" 807 733 1.43      
17 A" 336 305 105.44      
18 A" 139 126 27.27      

Unscaled Zero Point Vibrational Energy (zpe) 14442.7 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13121.2 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/6-311G**
ABC
0.63772 0.21863 0.16783

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.924 0.000
C2 0.916 -0.271 0.000
O3 -1.336 0.565 0.000
O4 0.514 -1.383 0.000
H5 -1.391 -0.377 0.000
H6 0.241 1.525 0.876
H7 0.241 1.525 -0.876
H8 1.990 -0.051 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50551.38352.36351.90491.08941.08942.2160
C21.50552.40261.18312.31002.10862.10861.0958
O31.38352.40262.68680.94412.04382.04383.3828
O42.36351.18312.68682.15433.04923.04921.9881
H51.90492.31000.94412.15432.65542.65543.3968
H61.08942.10862.04383.04922.65541.75202.5117
H71.08942.10862.04383.04922.65541.75202.5117
H82.21601.09583.38281.98813.39682.51172.5117

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 122.617 C1 C2 H8 115.947
C1 O3 H5 108.365 C2 C1 O3 112.468
C2 C1 H6 107.622 C2 C1 H7 107.622
O3 C1 H6 110.920 O3 C1 H7 110.920
O4 C2 H8 121.436 H6 C1 H7 107.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.103      
2 C 0.224      
3 O -0.477      
4 O -0.391      
5 H 0.272      
6 H 0.096      
7 H 0.096      
8 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.130 1.533 0.000 2.625
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.838 4.423 0.000
y 4.423 -26.797 0.000
z 0.000 0.000 -22.840
Traceless
 xyz
x 0.980 4.423 0.000
y 4.423 -3.458 0.000
z 0.000 0.000 2.478
Polar
3z2-r24.956
x2-y22.959
xy4.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.041 0.332 0.000
y 0.332 4.574 0.000
z 0.000 0.000 2.846


<r2> (average value of r2) Å2
<r2> 72.494
(<r2>)1/2 8.514