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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-229.018783
Energy at 298.15K-229.023708
Nuclear repulsion energy119.962054
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
4/u)
Dep P Dep U
1 A' 3724 3586 66.75      
2 A' 2979 2869 60.76      
3 A' 2935 2826 72.09      
4 A' 1817 1750 153.89      
5 A' 1473 1419 23.32      
6 A' 1440 1387 54.70      
7 A' 1387 1336 30.57      
8 A' 1301 1253 39.18      
9 A' 1148 1105 86.68      
10 A' 875 843 50.04      
11 A' 773 744 9.75      
12 A' 293 283 25.19      
13 A" 2995 2885 25.59      
14 A" 1243 1197 2.66      
15 A" 1107 1066 0.15      
16 A" 719 692 0.02      
17 A" 412 397 91.24      
18 A" 202 195 6.80      

Unscaled Zero Point Vibrational Energy (zpe) 13411.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 12916.2 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
0.61800 0.22098 0.16785

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 -0.255 0.000
O3 -1.340 0.550 0.000
O4 0.500 -1.384 0.000
H5 -1.331 -0.419 0.000
H6 0.249 1.544 0.881
H7 0.249 1.544 -0.881
H8 2.012 -0.042 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50281.39302.36771.89541.10271.10272.2347
C21.50282.40251.20592.26082.11432.11431.1089
O31.39302.40252.66900.96882.07142.07143.4038
O42.36771.20592.66902.06953.06833.06832.0218
H51.89542.26080.96882.06952.66982.66983.3643
H61.10272.11432.07143.06832.66981.76302.5303
H71.10272.11432.07143.06832.66981.76302.5303
H82.23471.10893.40382.02183.36432.53032.5303

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 121.485 C1 C2 H8 116.853
C1 O3 H5 105.335 C2 C1 O3 112.070
C2 C1 H6 107.485 C2 C1 H7 107.485
O3 C1 H6 111.669 O3 C1 H7 111.669
O4 C2 H8 121.662 H6 C1 H7 106.149
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 -0.026      
2 C 0.122      
3 O -0.393      
4 O -0.303      
5 H 0.248      
6 H 0.128      
7 H 0.128      
8 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.989 1.349 0.000 2.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.008 3.981 0.000
y 3.981 -25.972 0.000
z 0.000 0.000 -22.876
Traceless
 xyz
x 0.415 3.981 0.000
y 3.981 -2.530 0.000
z 0.000 0.000 2.114
Polar
3z2-r24.228
x2-y21.963
xy3.981
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.646 0.218 0.000
y 0.218 5.065 0.000
z 0.000 0.000 3.027


<r2> (average value of r2) Å2
<r2> 72.419
(<r2>)1/2 8.510