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

using model chemistry: wB97X-D/cc-pVDZ

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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-228.984929
Energy at 298.15K-228.989813
HF Energy-228.984929
Nuclear repulsion energy119.577443
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 wB97X-D/cc-pVDZ
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' 3805 3625 71.58      
2 A' 3019 2876 73.75      
3 A' 2993 2851 43.11      
4 A' 1845 1758 169.32      
5 A' 1483 1413 20.14      
6 A' 1450 1381 40.63      
7 A' 1408 1341 29.77      
8 A' 1304 1242 43.44      
9 A' 1165 1109 95.81      
10 A' 883 841 50.41      
11 A' 769 733 10.12      
12 A' 293 279 23.30      
13 A" 3047 2902 18.37      
14 A" 1260 1201 3.17      
15 A" 1108 1055 0.33      
16 A" 718 684 0.02      
17 A" 393 375 114.24      
18 A" 184 175 7.75      

Unscaled Zero Point Vibrational Energy (zpe) 13563.5 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 12920.6 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 wB97X-D/cc-pVDZ
ABC
0.61802 0.21828 0.16631

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.927 0.000
C2 -0.933 0.275 0.000
O3 1.355 -0.590 0.000
O4 -0.518 1.408 0.000
H5 1.404 0.374 0.000
H6 -0.240 -1.534 0.884
H7 -0.240 -1.534 -0.884
H8 -2.019 0.057 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.52121.39582.39121.91391.09931.09932.2463
C21.52122.44521.20592.33852.12972.12971.1086
O31.39582.44522.73820.96542.05302.05303.4355
O42.39121.20592.73822.18233.08453.08452.0195
H51.91392.33850.96542.18232.66922.66923.4380
H61.09932.12972.05303.08452.66921.76852.5459
H71.09932.12972.05303.08452.66921.76852.5459
H82.24631.10863.43552.01953.43802.54592.5459

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 122.097 C1 C2 H8 116.459
C1 O3 H5 106.884 C2 C1 O3 113.851
C2 C1 H6 107.637 C2 C1 H7 107.637
O3 C1 H6 110.174 O3 C1 H7 110.174
O4 C2 H8 121.444 H6 C1 H7 107.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 C 0.218      
3 O -0.526      
4 O -0.405      
5 H 0.373      
6 H 0.169      
7 H 0.169      
8 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.204 -1.550 0.000 2.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.411 4.388 0.000
y 4.388 -26.665 0.000
z 0.000 0.000 -23.347
Traceless
 xyz
x 0.595 4.388 0.000
y 4.388 -2.785 0.000
z 0.000 0.000 2.191
Polar
3z2-r24.381
x2-y22.253
xy4.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.907 0.186 0.000
y 0.186 5.487 0.000
z 0.000 0.000 3.472


<r2> (average value of r2) Å2
<r2> 73.259
(<r2>)1/2 8.559