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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-229.032505
Energy at 298.15K-229.037387
HF Energy-229.032505
Nuclear repulsion energy120.013271
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/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' 3795 3630 67.95      
2 A' 2999 2869 60.45      
3 A' 2957 2829 69.06      
4 A' 1847 1767 158.97      
5 A' 1485 1420 22.02      
6 A' 1457 1393 53.20      
7 A' 1406 1344 29.56      
8 A' 1314 1257 43.06      
9 A' 1163 1113 87.72      
10 A' 879 841 49.25      
11 A' 778 744 11.06      
12 A' 295 282 25.02      
13 A" 3021 2890 27.62      
14 A" 1259 1204 2.29      
15 A" 1114 1065 0.17      
16 A" 723 692 0.06      
17 A" 388 371 94.82      
18 A" 180 172 8.70      

Unscaled Zero Point Vibrational Energy (zpe) 13529.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 12941.0 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/6-311G**
ABC
0.62038 0.22043 0.16772

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.926 0.000
C2 -0.929 0.276 0.000
O3 1.351 -0.585 0.000
O4 -0.511 1.400 0.000
H5 1.368 0.376 0.000
H6 -0.246 -1.530 0.883
H7 -0.246 -1.530 -0.883
H8 -2.017 0.061 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51881.39292.38121.88831.09841.09842.2451
C21.51882.43641.19892.29882.12372.12371.1088
O31.39292.43642.72140.96102.05482.05483.4285
O42.38121.19892.72142.14003.07213.07212.0144
H51.88832.29880.96102.14002.64922.64923.3990
H61.09842.12372.05483.07212.64921.76692.5396
H71.09842.12372.05483.07212.64921.76692.5396
H82.24511.10883.42852.01443.39902.53962.5396

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 121.927 C1 C2 H8 116.527
C1 O3 H5 105.200 C2 C1 O3 113.532
C2 C1 H6 107.385 C2 C1 H7 107.385
O3 C1 H6 110.585 O3 C1 H7 110.585
O4 C2 H8 121.546 H6 C1 H7 107.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.022      
2 C 0.124      
3 O -0.396      
4 O -0.302      
5 H 0.251      
6 H 0.125      
7 H 0.125      
8 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.034 -1.356 0.000 2.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.936 4.051 0.000
y 4.051 -26.085 0.000
z 0.000 0.000 -22.849
Traceless
 xyz
x 0.531 4.051 0.000
y 4.051 -2.693 0.000
z 0.000 0.000 2.161
Polar
3z2-r24.323
x2-y22.149
xy4.051
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.528 0.252 0.000
y 0.252 4.974 0.000
z 0.000 0.000 3.016


<r2> (average value of r2) Å2
<r2> 72.459
(<r2>)1/2 8.512