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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-229.044194
Energy at 298.15K-229.049175
Nuclear repulsion energy120.045446
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/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' 3710 3568 65.25      
2 A' 2976 2862 62.45      
3 A' 2930 2818 65.92      
4 A' 1812 1742 150.84      
5 A' 1471 1415 23.57      
6 A' 1437 1382 46.28      
7 A' 1387 1334 25.89      
8 A' 1302 1252 44.47      
9 A' 1147 1103 88.54      
10 A' 876 843 50.33      
11 A' 769 740 9.26      
12 A' 285 274 24.86      
13 A" 2992 2877 19.40      
14 A" 1249 1201 1.96      
15 A" 1104 1061 0.19      
16 A" 718 690 0.00      
17 A" 434 417 83.08      
18 A" 232 223 1.80      

Unscaled Zero Point Vibrational Energy (zpe) 13416.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12901.3 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 B3PW91/cc-pVTZ
ABC
0.62061 0.22076 0.16789

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.928 0.000
C2 0.921 -0.255 0.000
O3 -1.339 0.552 0.000
O4 0.503 -1.385 0.000
H5 -1.340 -0.417 0.000
H6 0.248 1.542 0.879
H7 0.248 1.542 -0.879
H8 2.007 -0.038 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.49901.39132.36651.89871.10121.10122.2271
C21.49902.40031.20512.26742.11082.11081.1071
O31.39132.40032.67290.96892.06792.06793.3980
O42.36651.20512.67292.08163.06703.06702.0191
H51.89872.26740.96892.08162.67162.67163.3686
H61.10122.11082.06793.06702.67161.75822.5223
H71.10122.11082.06793.06702.67161.75822.5223
H82.22711.10713.39802.01913.36862.52232.5223

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 121.755 C1 C2 H8 116.627
C1 O3 H5 105.719 C2 C1 O3 112.247
C2 C1 H6 107.558 C2 C1 H7 107.558
O3 C1 H6 111.603 O3 C1 H7 111.603
O4 C2 H8 121.618 H6 C1 H7 105.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 C 0.125      
3 O -0.335      
4 O -0.271      
5 H 0.209      
6 H 0.055      
7 H 0.055      
8 H 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.867 1.425 0.000 2.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.934 3.792 0.000
y 3.792 -25.949 0.000
z 0.000 0.000 -22.985
Traceless
 xyz
x 0.533 3.792 0.000
y 3.792 -2.490 0.000
z 0.000 0.000 1.956
Polar
3z2-r23.912
x2-y22.015
xy3.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.033 0.132 0.000
y 0.132 5.405 0.000
z 0.000 0.000 3.420


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