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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-229.142283
Energy at 298.15K-229.147217
HF Energy-229.142283
Nuclear repulsion energy119.547014
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 B3LYPultrafine/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' 3695 3575 63.99      
2 A' 2973 2876 62.02      
3 A' 2921 2827 64.01      
4 A' 1790 1732 159.00      
5 A' 1471 1423 20.12      
6 A' 1431 1385 37.58      
7 A' 1391 1346 24.08      
8 A' 1291 1249 48.21      
9 A' 1126 1090 82.66      
10 A' 863 835 52.40      
11 A' 762 737 10.02      
12 A' 281 272 22.55      
13 A" 2983 2886 16.07      
14 A" 1252 1211 1.85      
15 A" 1104 1068 0.19      
16 A" 721 698 0.01      
17 A" 409 396 87.13      
18 A" 223 216 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 13344.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12910.5 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.61982 0.21728 0.16582

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.928 0.000
C2 0.926 -0.263 0.000
O3 -1.349 0.565 0.000
O4 0.516 -1.394 0.000
H5 -1.391 -0.401 0.000
H6 0.246 1.540 0.879
H7 0.246 1.540 -0.879
H8 2.009 -0.036 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50911.39722.37901.92441.09881.09882.2285
C21.50912.42111.20322.32172.11802.11801.1063
O31.39722.42112.70440.96662.06572.06573.4114
O42.37901.20322.70442.15013.07463.07462.0184
H51.92442.32170.96662.15012.68702.68703.4199
H61.09882.11802.06573.07462.68701.75872.5230
H71.09882.11802.06573.07462.68701.75872.5230
H82.22851.10633.41142.01843.41992.52302.5230

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 122.187 C1 C2 H8 116.027
C1 O3 H5 107.600 C2 C1 O3 112.773
C2 C1 H6 107.579 C2 C1 H7 107.579
O3 C1 H6 111.144 O3 C1 H7 111.144
O4 C2 H8 121.786 H6 C1 H7 106.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C -0.009      
3 O -0.487      
4 O -0.613      
5 H 0.183      
6 H 0.233      
7 H 0.233      
8 H 0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.931 1.553 0.000 2.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.563 3.916 0.000
y 3.916 -26.572 0.000
z 0.000 0.000 -23.458
Traceless
 xyz
x 0.452 3.916 0.000
y 3.916 -2.562 0.000
z 0.000 0.000 2.109
Polar
3z2-r24.219
x2-y22.009
xy3.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.647 0.099 0.000
y 0.099 5.960 0.000
z 0.000 0.000 4.041


<r2> (average value of r2) Å2
<r2> 73.426
(<r2>)1/2 8.569