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

using model chemistry: HF/LANL2DZ

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 HF/LANL2DZ
 hartrees
Energy at 0K-227.704683
Energy at 298.15K-227.709563
Nuclear repulsion energy118.669183
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 HF/LANL2DZ
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' 4027 3624 70.03      
2 A' 3275 2947 88.04      
3 A' 3236 2912 21.70      
4 A' 1883 1694 158.39      
5 A' 1648 1483 14.59      
6 A' 1554 1398 42.84      
7 A' 1518 1366 10.42      
8 A' 1369 1232 85.26      
9 A' 1202 1082 81.33      
10 A' 943 849 53.85      
11 A' 797 717 24.84      
12 A' 300 270 25.39      
13 A" 3282 2953 37.28      
14 A" 1359 1223 3.44      
15 A" 1227 1104 0.23      
16 A" 840 756 0.05      
17 A" 339 305 196.47      
18 A" 157 141 38.03      

Unscaled Zero Point Vibrational Energy (zpe) 14478.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 13029.0 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 HF/LANL2DZ
ABC
0.60986 0.21329 0.16273

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.936 0.000
C2 0.941 -0.244 0.000
O3 -1.365 0.546 0.000
O4 0.545 -1.397 0.000
H5 -1.487 -0.402 0.000
H6 0.202 1.542 0.875
H7 0.202 1.542 -0.875
H8 2.002 -0.018 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50931.42002.39562.00051.08371.08372.2175
C21.50932.43831.21942.43382.12202.12201.0847
O31.42002.43832.72470.95582.05312.05313.4144
O42.39561.21942.72472.26263.08593.08592.0067
H52.00052.43380.95582.26262.72022.72023.5105
H61.08372.12202.05313.08592.72021.75012.5376
H71.08372.12202.05313.08592.72021.75012.5376
H82.21751.08473.41442.00673.51052.53762.5376

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 122.433 C1 C2 H8 116.541
C1 O3 H5 113.259 C2 C1 O3 112.651
C2 C1 H6 108.737 C2 C1 H7 108.737
O3 C1 H6 109.442 O3 C1 H7 109.442
O4 C2 H8 121.026 H6 C1 H7 107.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 C 0.139      
3 O -0.628      
4 O -0.365      
5 H 0.424      
6 H 0.198      
7 H 0.198      
8 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.698 1.878 0.000 3.287
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.491 5.720 0.000
y 5.720 -28.175 0.000
z 0.000 0.000 -23.263
Traceless
 xyz
x 1.228 5.720 0.000
y 5.720 -4.298 0.000
z 0.000 0.000 3.070
Polar
3z2-r26.140
x2-y23.684
xy5.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.594 0.390 0.000
y 0.390 4.476 0.000
z 0.000 0.000 2.395


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