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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-228.982499
Energy at 298.15K 
HF Energy-228.704517
Nuclear repulsion energy119.847458
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 B2PLYP=FULLultrafine/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' 3727 3560 64.55 39.61 0.11 0.20
2 A' 3010 2876 60.99 186.66 0.02 0.04
3 A' 2967 2835 64.78 119.36 0.46 0.63
4 A' 1782 1702 123.48 8.61 0.29 0.45
5 A' 1499 1432 16.38 12.25 0.49 0.66
6 A' 1454 1389 53.72 8.33 0.57 0.73
7 A' 1406 1343 19.15 7.51 0.47 0.64
8 A' 1312 1253 48.71 1.76 0.34 0.51
9 A' 1143 1092 76.95 2.43 0.75 0.86
10 A' 879 840 50.68 5.71 0.35 0.52
11 A' 769 735 10.32 3.09 0.75 0.86
12 A' 292 279 23.42 0.36 0.12 0.22
13 A" 3027 2892 20.54 82.48 0.75 0.86
14 A" 1265 1208 1.98 5.58 0.75 0.86
15 A" 1120 1070 0.32 1.71 0.75 0.86
16 A" 737 704 0.01 4.23 0.75 0.86
17 A" 417 399 83.31 0.21 0.75 0.86
18 A" 219 210 2.84 0.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13511.9 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 12909.3 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 B2PLYP=FULLultrafine/cc-pVTZ
ABC
0.61817 0.21988 0.16719

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.931 0.000
C2 -0.924 0.252 0.000
O3 1.344 -0.549 0.000
O4 -0.508 1.387 0.000
H5 1.343 0.418 0.000
H6 -0.242 -1.540 0.878
H7 -0.242 -1.540 -0.878
H8 -2.003 0.033 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50051.39722.37291.90401.09591.09592.2226
C21.50052.40511.20912.27332.10892.10891.1013
O31.39722.40512.67960.96762.06612.06613.3973
O42.37291.20912.67962.08983.06793.06792.0172
H51.90402.27330.96762.08982.66852.66853.3687
H61.09592.10892.06613.06792.66851.75582.5193
H71.09592.10892.06613.06792.66851.75582.5193
H82.22261.10133.39732.01723.36872.51932.5193

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 121.900 C1 C2 H8 116.525
C1 O3 H5 105.808 C2 C1 O3 112.153
C2 C1 H6 107.610 C2 C1 H7 107.610
O3 C1 H6 111.361 O3 C1 H7 111.361
O4 C2 H8 121.575 H6 C1 H7 106.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.063      
2 C 0.096      
3 O -0.351      
4 O -0.262      
5 H 0.218      
6 H 0.073      
7 H 0.073      
8 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.927 -1.374 0.000 2.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.276 3.840 0.004
y 3.840 -26.219 0.010
z 0.004 0.010 -23.207
Traceless
 xyz
x 0.437 3.840 0.004
y 3.840 -2.478 0.010
z 0.004 0.010 2.041
Polar
3z2-r24.082
x2-y21.944
xy3.840
xz0.004
yz0.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.961 0.174 -0.001
y 0.174 5.335 -0.002
z -0.001 -0.002 3.391


<r2> (average value of r2) Å2
<r2> 72.765
(<r2>)1/2 8.530