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

using model chemistry: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-229.007043
Energy at 298.15K-229.011925
Nuclear repulsion energy119.867237
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3695 3557 40.95      
2 A' 2987 2876 67.29      
3 A' 2942 2833 78.49      
4 A' 1821 1753 154.76      
5 A' 1490 1435 23.33      
6 A' 1454 1400 69.54      
7 A' 1399 1347 30.01      
8 A' 1308 1259 47.71      
9 A' 1152 1109 88.28      
10 A' 875 842 49.11      
11 A' 773 744 9.64      
12 A' 296 285 25.04      
13 A" 3001 2889 30.74      
14 A" 1251 1205 3.10      
15 A" 1110 1069 0.10      
16 A" 720 693 0.12      
17 A" 393 379 103.85      
18 A" 188 181 12.51      

Unscaled Zero Point Vibrational Energy (zpe) 13427.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 12926.5 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 B3PW91/6-311G*
ABC
0.61900 0.22007 0.16739

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.930 0.000
C2 0.924 -0.256 0.000
O3 -1.340 0.552 0.000
O4 0.504 -1.386 0.000
H5 -1.352 -0.417 0.000
H6 0.244 1.547 0.881
H7 0.244 1.547 -0.881
H8 2.013 -0.046 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50341.39242.37041.90871.10261.10262.2368
C21.50342.40381.20582.28182.11862.11861.1090
O31.39242.40382.67500.96912.06732.06733.4057
O42.37041.20582.67502.09363.07333.07332.0186
H51.90872.28180.96912.09362.67932.67933.3854
H61.10262.11862.06733.07332.67931.76202.5380
H71.10262.11862.06733.07332.67931.76202.5380
H82.23681.10903.40572.01863.38542.53802.5380

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 121.687 C1 C2 H8 116.978
C1 O3 H5 106.476 C2 C1 O3 112.159
C2 C1 H6 107.782 C2 C1 H7 107.782
O3 C1 H6 111.376 O3 C1 H7 111.376
O4 C2 H8 121.335 H6 C1 H7 106.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 C 0.058      
3 O -0.565      
4 O -0.302      
5 H 0.401      
6 H 0.225      
7 H 0.225      
8 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.004 1.245 0.000 2.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.115 4.238 0.000
y 4.238 -26.123 0.000
z 0.000 0.000 -22.962
Traceless
 xyz
x 0.428 4.238 0.000
y 4.238 -2.585 0.000
z 0.000 0.000 2.157
Polar
3z2-r24.315
x2-y22.009
xy4.238
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.574 0.235 0.000
y 0.235 5.014 0.000
z 0.000 0.000 2.948


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