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

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-228.904932
Energy at 298.15K-228.909726
Nuclear repulsion energy116.935529
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/6-31G
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' 3348 3322 14.88      
2 A' 2925 2903 101.53      
3 A' 2904 2882 17.96      
4 A' 1633 1620 81.50      
5 A' 1476 1464 15.70      
6 A' 1396 1385 62.81      
7 A' 1369 1358 32.58      
8 A' 1259 1249 54.08      
9 A' 1027 1019 42.85      
10 A' 836 829 62.07      
11 A' 727 722 6.07      
12 A' 284 282 23.60      
13 A" 2929 2906 29.84      
14 A" 1191 1182 7.44      
15 A" 1074 1065 0.02      
16 A" 727 721 0.01      
17 A" 393 390 112.20      
18 A" 185 184 14.02      

Unscaled Zero Point Vibrational Energy (zpe) 12839.6 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 12742.0 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/6-31G
ABC
0.57885 0.21240 0.16009

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.951 0.000
C2 0.955 -0.229 0.000
O3 -1.386 0.531 0.000
O4 0.533 -1.409 0.000
H5 -1.381 -0.469 0.000
H6 0.217 1.580 0.889
H7 0.217 1.580 -0.889
H8 2.042 0.000 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51821.44852.41931.98061.11081.11082.2527
C21.51822.46141.25262.34832.14722.14721.1111
O31.44852.46142.72890.99952.11222.11223.4692
O42.41931.25262.72892.13293.13473.13472.0642
H51.98062.34830.99952.13292.74622.74623.4552
H61.11082.14722.11223.13472.74621.77852.5731
H71.11082.14722.11223.13472.74621.77852.5731
H82.25271.11113.46922.06423.45522.57312.5731

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 121.360 C1 C2 H8 117.068
C1 O3 H5 106.570 C2 C1 O3 112.114
C2 C1 H6 108.532 C2 C1 H7 108.532
O3 C1 H6 110.545 O3 C1 H7 110.545
O4 C2 H8 121.572 H6 C1 H7 106.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C 0.177      
3 O -0.563      
4 O -0.350      
5 H 0.353      
6 H 0.156      
7 H 0.156      
8 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.187 1.331 0.000 2.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.876 4.548 0.000
y 4.548 -26.363 0.000
z 0.000 0.000 -23.097
Traceless
 xyz
x -0.146 4.548 0.000
y 4.548 -2.376 0.000
z 0.000 0.000 2.522
Polar
3z2-r25.044
x2-y21.486
xy4.548
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.709 0.233 0.000
y 0.233 5.180 0.000
z 0.000 0.000 2.584


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