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

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-229.051579
Energy at 298.15K-229.056396
Nuclear repulsion energy118.453077
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 BLYP/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' 3539 3525 48.10      
2 A' 2877 2866 59.62      
3 A' 2814 2803 100.12      
4 A' 1713 1706 135.89      
5 A' 1435 1429 23.28      
6 A' 1399 1393 65.22      
7 A' 1347 1341 22.61      
8 A' 1258 1253 37.47      
9 A' 1070 1066 68.58      
10 A' 824 821 53.65      
11 A' 741 738 6.43      
12 A' 283 282 23.18      
13 A" 2880 2869 32.03      
14 A" 1199 1194 3.74      
15 A" 1064 1060 0.17      
16 A" 694 691 0.06      
17 A" 396 395 76.96      
18 A" 193 192 7.30      

Unscaled Zero Point Vibrational Energy (zpe) 12862.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 12812.7 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 BLYP/6-311G**
ABC
0.60502 0.21445 0.16319

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.939 0.000
C2 0.937 -0.258 0.000
O3 -1.363 0.559 0.000
O4 0.513 -1.402 0.000
H5 -1.351 -0.422 0.000
H6 0.249 1.558 0.887
H7 0.249 1.558 -0.887
H8 2.031 -0.035 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51921.41492.39601.91771.11011.11012.2527
C21.51922.44001.21992.29342.13472.13471.1173
O31.41492.44002.71360.98122.09362.09363.4458
O42.39601.21992.71362.10583.10133.10132.0426
H51.91772.29340.98122.10582.69602.69603.4044
H61.11012.13472.09363.10132.69601.77382.5501
H71.11012.13472.09363.10132.69601.77382.5501
H82.25271.11733.44582.04263.40442.55012.5501

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 121.644 C1 C2 H8 116.569
C1 O3 H5 104.878 C2 C1 O3 112.479
C2 C1 H6 107.538 C2 C1 H7 107.538
O3 C1 H6 111.452 O3 C1 H7 111.452
O4 C2 H8 121.787 H6 C1 H7 106.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 C 0.097      
3 O -0.368      
4 O -0.262      
5 H 0.230      
6 H 0.113      
7 H 0.113      
8 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.867 1.263 0.000 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.496 3.881 0.000
y 3.881 -26.208 0.000
z 0.000 0.000 -23.222
Traceless
 xyz
x 0.219 3.881 0.000
y 3.881 -2.349 0.000
z 0.000 0.000 2.130
Polar
3z2-r24.260
x2-y21.712
xy3.881
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.085 0.172 0.000
y 0.172 5.376 0.000
z 0.000 0.000 3.143


<r2> (average value of r2) Å2
<r2> 74.206
(<r2>)1/2 8.614