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

using model chemistry: B3LYP/aug-cc-pVTZ

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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-229.142291
Energy at 298.15K-229.147215
Nuclear repulsion energy119.552820
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 B3LYP/aug-cc-pVTZ
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' 3703 3583 63.89      
2 A' 2976 2879 62.15      
3 A' 2925 2830 63.68      
4 A' 1791 1733 158.98      
5 A' 1471 1423 19.97      
6 A' 1431 1385 37.38      
7 A' 1391 1346 23.29      
8 A' 1291 1249 48.58      
9 A' 1126 1090 83.16      
10 A' 863 835 52.34      
11 A' 762 737 10.05      
12 A' 281 272 22.53      
13 A" 2987 2890 16.02      
14 A" 1252 1211 1.85      
15 A" 1104 1068 0.19      
16 A" 721 697 0.01      
17 A" 402 389 86.66      
18 A" 221 214 3.41      

Unscaled Zero Point Vibrational Energy (zpe) 13348.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12915.0 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 B3LYP/aug-cc-pVTZ
ABC
0.61998 0.21726 0.16582

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.928 0.000
C2 0.925 -0.256 0.000
O3 -1.350 0.558 0.000
O4 0.517 -1.392 0.000
H5 -1.375 -0.411 0.000
H6 0.240 1.542 0.879
H7 0.240 1.542 -0.879
H8 2.008 -0.031 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50311.39962.37631.91951.09911.09912.2250
C21.50312.41631.20652.30602.11592.11591.1054
O31.39962.41632.69850.96882.06662.06663.4086
O42.37631.20652.69852.13103.07503.07502.0182
H51.91952.30600.96882.13102.68292.68293.4043
H61.09912.11592.06663.07502.68291.75862.5243
H71.09912.11592.06663.07502.68291.75862.5243
H82.22501.10543.40862.01823.40432.52432.5243

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 122.193 C1 C2 H8 116.253
C1 O3 H5 106.868 C2 C1 O3 112.653
C2 C1 H6 107.798 C2 C1 H7 107.798
O3 C1 H6 111.022 O3 C1 H7 111.022
O4 C2 H8 121.554 H6 C1 H7 106.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C -0.009      
3 O -0.486      
4 O -0.613      
5 H 0.183      
6 H 0.233      
7 H 0.233      
8 H 0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.930 1.554 0.000 2.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.559 3.915 0.000
y 3.915 -26.570 0.000
z 0.000 0.000 -23.456
Traceless
 xyz
x 0.454 3.915 0.000
y 3.915 -2.562 0.000
z 0.000 0.000 2.108
Polar
3z2-r24.216
x2-y22.011
xy3.915
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.645 0.099 0.000
y 0.099 5.958 0.000
z 0.000 0.000 4.040


<r2> (average value of r2) Å2
<r2> 73.424
(<r2>)1/2 8.569