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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-228.969411
Energy at 298.15K-228.974405
Nuclear repulsion energy119.886468
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-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' 3655 3527 76.62      
2 A' 2975 2871 70.15      
3 A' 2939 2836 61.84      
4 A' 1820 1756 149.29      
5 A' 1464 1413 51.87      
6 A' 1435 1385 36.03      
7 A' 1373 1325 28.51      
8 A' 1303 1258 31.44      
9 A' 1156 1115 85.66      
10 A' 887 856 46.54      
11 A' 772 745 8.83      
12 A' 295 285 25.97      
13 A" 2992 2888 29.45      
14 A" 1236 1192 2.30      
15 A" 1098 1059 0.08      
16 A" 719 694 0.03      
17 A" 447 432 75.93      
18 A" 227 219 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 13396.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12927.7 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-pVDZ
ABC
0.61275 0.22258 0.16842

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.933 0.000
C2 0.924 -0.253 0.000
O3 -1.336 0.545 0.000
O4 0.489 -1.384 0.000
H5 -1.304 -0.430 0.000
H6 0.256 1.554 0.885
H7 0.256 1.554 -0.885
H8 2.021 -0.044 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50341.39072.36801.88611.11141.11142.2449
C21.50342.39621.21122.23412.12072.12071.1172
O31.39072.39622.65570.97622.08212.08213.4080
O42.36801.21122.65572.03073.07773.07772.0350
H51.88612.23410.97622.03072.67492.67493.3469
H61.11142.12072.08213.07772.67491.77002.5405
H71.11142.12072.08213.07772.67491.77002.5405
H82.24491.11723.40802.03503.34692.54052.5405

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 121.085 C1 C2 H8 117.115
C1 O3 H5 104.298 C2 C1 O3 111.723
C2 C1 H6 107.443 C2 C1 H7 107.443
O3 C1 H6 112.158 O3 C1 H7 112.158
O4 C2 H8 121.800 H6 C1 H7 105.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 C 0.103      
3 O -0.268      
4 O -0.217      
5 H 0.151      
6 H 0.055      
7 H 0.055      
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
  1.874 1.263 0.000 2.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.792 3.685 0.000
y 3.685 -25.561 0.000
z 0.000 0.000 -22.739
Traceless
 xyz
x 0.357 3.685 0.000
y 3.685 -2.295 0.000
z 0.000 0.000 1.938
Polar
3z2-r23.876
x2-y21.768
xy3.685
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.581 0.221 0.000
y 0.221 4.943 0.000
z 0.000 0.000 2.906


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