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

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-227.787594
Energy at 298.15K-227.792556
Nuclear repulsion energy120.537181
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/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' 4084 3708 95.63      
2 A' 3167 2876 86.30      
3 A' 3137 2848 43.15      
4 A' 2012 1827 213.52      
5 A' 1599 1452 12.50      
6 A' 1578 1433 58.43      
7 A' 1504 1365 24.52      
8 A' 1401 1272 54.12      
9 A' 1250 1135 91.40      
10 A' 942 856 46.77      
11 A' 820 745 22.88      
12 A' 316 287 23.76      
13 A" 3190 2896 43.85      
14 A" 1360 1235 0.56      
15 A" 1223 1111 0.08      
16 A" 806 731 1.25      
17 A" 352 320 98.49      
18 A" 174 158 16.28      

Unscaled Zero Point Vibrational Energy (zpe) 14457.5 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 13127.5 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 HF/cc-pVDZ
ABC
0.63410 0.21933 0.16802

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.925 0.000
C2 0.916 -0.269 0.000
O3 -1.335 0.563 0.000
O4 0.509 -1.384 0.000
H5 -1.377 -0.385 0.000
H6 0.246 1.531 0.879
H7 0.246 1.531 -0.879
H8 1.996 -0.049 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50431.38272.36401.90071.09621.09622.2214
C21.50432.39931.18702.29582.11212.11211.1027
O31.38272.39932.68150.94982.05172.05173.3870
O42.36401.18702.68152.13403.05613.05611.9983
H51.90072.29580.94982.13402.66132.66133.3902
H61.09622.11212.05173.05612.66131.75842.5168
H71.09622.11212.05173.05612.66131.75842.5168
H82.22141.10273.38701.99833.39022.51682.5168

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 122.455 C1 C2 H8 116.032
C1 O3 H5 107.706 C2 C1 O3 112.354
C2 C1 H6 107.588 C2 C1 H7 107.588
O3 C1 H6 111.194 O3 C1 H7 111.194
O4 C2 H8 121.513 H6 C1 H7 106.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.190      
2 C 0.203      
3 O -0.358      
4 O -0.312      
5 H 0.171      
6 H 0.041      
7 H 0.041      
8 H 0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.054 1.493 0.000 2.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.764 4.252 0.000
y 4.252 -26.547 0.000
z 0.000 0.000 -22.810
Traceless
 xyz
x 0.915 4.252 0.000
y 4.252 -3.260 0.000
z 0.000 0.000 2.346
Polar
3z2-r24.691
x2-y22.783
xy4.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.997 0.321 0.000
y 0.321 4.479 0.000
z 0.000 0.000 2.754


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