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

using model chemistry: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-228.885281
Energy at 298.15K-228.890203
HF Energy-228.885281
Nuclear repulsion energy119.243384
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/Def2TZVPP
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' 3544 3501 58.22      
2 A' 2895 2860 59.72      
3 A' 2843 2809 73.62      
4 A' 1730 1709 143.48      
5 A' 1417 1400 32.98      
6 A' 1386 1370 40.35      
7 A' 1336 1320 27.53      
8 A' 1258 1243 36.85      
9 A' 1102 1089 81.78      
10 A' 851 841 52.20      
11 A' 747 738 6.06      
12 A' 275 272 24.55      
13 A" 2905 2870 16.79      
14 A" 1199 1185 3.69      
15 A" 1055 1042 0.24      
16 A" 680 672 0.01      
17 A" 452 446 76.51      
18 A" 238 235 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 12957.3 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 12800.5 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/Def2TZVPP
ABC
0.61079 0.21856 0.16597

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.930 0.000
C2 -0.932 0.274 0.000
O3 1.358 -0.586 0.000
O4 -0.516 1.409 0.000
H5 1.376 0.386 0.000
H6 -0.250 -1.541 0.887
H7 -0.250 -1.541 -0.887
H8 -2.026 0.049 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.52281.40122.39571.90431.10601.10602.2504
C21.52282.44661.20912.31072.13252.13251.1171
O31.40122.44662.73760.97272.07042.07043.4436
O42.39571.20912.73762.15073.09243.09242.0326
H51.90432.31070.97272.15072.67332.67333.4188
H61.10602.13252.07043.09242.67331.77482.5437
H71.10602.13252.07043.09242.67331.77482.5437
H82.25041.11713.44362.03263.41882.54372.5437

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 122.132 C1 C2 H8 116.113
C1 O3 H5 105.249 C2 C1 O3 113.527
C2 C1 H6 107.363 C2 C1 H7 107.363
O3 C1 H6 110.784 O3 C1 H7 110.784
O4 C2 H8 121.756 H6 C1 H7 106.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.106      
2 C 0.083      
3 O -0.318      
4 O -0.256      
5 H 0.199      
6 H 0.063      
7 H 0.063      
8 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.787 -1.418 0.000 2.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.455 3.707 0.000
y 3.707 -26.220 0.000
z 0.000 0.000 -23.403
Traceless
 xyz
x 0.356 3.707 0.000
y 3.707 -2.290 0.000
z 0.000 0.000 1.934
Polar
3z2-r23.869
x2-y21.764
xy3.707
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.578 0.062 0.000
y 0.062 5.894 0.000
z 0.000 0.000 3.740


<r2> (average value of r2) Å2
<r2> 73.316
(<r2>)1/2 8.563