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

using model chemistry: HF/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-227.807881
Energy at 298.15K-227.812840
Nuclear repulsion energy120.254520
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/aug-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' 4105 3738 88.53      
2 A' 3163 2880 97.24      
3 A' 3135 2855 25.48      
4 A' 1979 1802 213.71      
5 A' 1590 1448 9.34      
6 A' 1568 1428 42.75      
7 A' 1499 1365 23.34      
8 A' 1387 1263 60.41      
9 A' 1240 1129 90.91      
10 A' 939 855 45.68      
11 A' 812 740 22.49      
12 A' 303 276 22.63      
13 A" 3185 2900 29.71      
14 A" 1361 1240 0.54      
15 A" 1220 1111 0.23      
16 A" 801 730 0.36      
17 A" 351 319 102.02      
18 A" 184 167 14.83      

Unscaled Zero Point Vibrational Energy (zpe) 14410.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 13121.8 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/aug-cc-pVDZ
ABC
0.63525 0.21686 0.16666

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.923 0.000
C2 0.917 -0.269 0.000
O3 -1.341 0.570 0.000
O4 0.519 -1.390 0.000
H5 -1.405 -0.375 0.000
H6 0.242 1.528 0.880
H7 0.242 1.528 -0.880
H8 1.994 -0.046 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50451.38652.37031.91341.09471.09472.2174
C21.50452.40861.18912.32502.11222.11221.1002
O31.38652.40862.70080.94692.04862.04863.3913
O42.37031.18912.70082.17503.06013.06011.9961
H51.91342.32500.94692.17502.66642.66643.4158
H61.09472.11222.04863.06012.66641.75962.5147
H71.09472.11222.04863.06012.66641.75962.5147
H82.21741.10023.39131.99613.41582.51472.5147

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 122.846 C1 C2 H8 115.837
C1 O3 H5 108.706 C2 C1 O3 112.782
C2 C1 H6 107.663 C2 C1 H7 107.663
O3 C1 H6 110.759 O3 C1 H7 110.759
O4 C2 H8 121.317 H6 C1 H7 106.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.770      
2 C 0.615      
3 O -0.662      
4 O -0.664      
5 H 0.165      
6 H -0.060      
7 H -0.060      
8 H -0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.080 1.710 0.000 2.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.999 4.269 0.000
y 4.269 -27.021 0.000
z 0.000 0.000 -23.210
Traceless
 xyz
x 1.117 4.269 0.000
y 4.269 -3.416 0.000
z 0.000 0.000 2.299
Polar
3z2-r24.599
x2-y23.022
xy4.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.830 0.191 0.000
y 0.191 5.256 0.000
z 0.000 0.000 3.639


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