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

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-229.054946
Energy at 298.15K-229.059902
Nuclear repulsion energy119.457127
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/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' 3640 3531 66.15      
2 A' 2959 2871 68.48      
3 A' 2918 2830 70.16      
4 A' 1806 1752 145.02      
5 A' 1463 1420 46.17      
6 A' 1436 1393 43.16      
7 A' 1375 1334 24.06      
8 A' 1299 1260 34.40      
9 A' 1140 1106 78.25      
10 A' 875 849 48.11      
11 A' 767 744 8.93      
12 A' 294 285 24.84      
13 A" 2970 2881 34.29      
14 A" 1235 1198 2.25      
15 A" 1098 1065 0.07      
16 A" 723 701 0.20      
17 A" 426 413 73.77      
18 A" 218 211 3.29      

Unscaled Zero Point Vibrational Energy (zpe) 13321.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 12921.6 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 B3LYP/cc-pVDZ
ABC
0.61121 0.21986 0.16676

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.934 0.000
C2 0.927 -0.256 0.000
O3 -1.343 0.551 0.000
O4 0.497 -1.390 0.000
H5 -1.324 -0.426 0.000
H6 0.255 1.556 0.886
H7 0.255 1.556 -0.886
H8 2.024 -0.041 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50871.39702.37681.89781.11201.11202.2467
C21.50872.40931.21242.25682.12582.12581.1181
O31.39702.40932.67480.97682.08592.08593.4190
O42.37681.21242.67482.06043.08563.08562.0372
H51.89782.25680.97682.06042.68422.68423.3696
H61.11202.12582.08593.08562.68421.77222.5422
H71.11202.12582.08593.08562.68421.77222.5422
H82.24671.11813.41902.03723.36962.54222.5422

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 121.349 C1 C2 H8 116.807
C1 O3 H5 104.772 C2 C1 O3 111.971
C2 C1 H6 107.454 C2 C1 H7 107.454
O3 C1 H6 111.977 O3 C1 H7 111.977
O4 C2 H8 121.844 H6 C1 H7 105.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.139      
2 C 0.114      
3 O -0.257      
4 O -0.203      
5 H 0.141      
6 H 0.032      
7 H 0.032      
8 H 0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.817 1.216 0.000 2.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.969 3.681 0.000
y 3.681 -25.760 0.000
z 0.000 0.000 -22.844
Traceless
 xyz
x 0.333 3.681 0.000
y 3.681 -2.353 0.000
z 0.000 0.000 2.020
Polar
3z2-r24.040
x2-y21.790
xy3.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.636 0.241 0.000
y 0.241 4.964 0.000
z 0.000 0.000 2.917


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000