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

using model chemistry: B3LYP/LANL2DZ

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 B3LYP/LANL2DZ
 hartrees
Energy at 0K-229.010606
Energy at 298.15K-229.015430
Nuclear repulsion energy117.256666
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 B3LYP/LANL2DZ
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' 3613 3473 25.95      
2 A' 3037 2919 112.14      
3 A' 3016 2899 6.95      
4 A' 1686 1621 104.57      
5 A' 1496 1438 19.99      
6 A' 1419 1364 51.31      
7 A' 1398 1344 15.93      
8 A' 1280 1230 72.52      
9 A' 1087 1045 61.16      
10 A' 867 834 54.39      
11 A' 743 715 8.96      
12 A' 273 263 24.63      
13 A" 3062 2943 27.91      
14 A" 1228 1180 6.20      
15 A" 1107 1064 0.30      
16 A" 750 721 1.12      
17 A" 384 369 154.58      
18 A" 194 186 16.93      

Unscaled Zero Point Vibrational Energy (zpe) 13319.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 12802.9 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 B3LYP/LANL2DZ
ABC
0.58819 0.21124 0.16011

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.947 0.000
C2 0.952 -0.236 0.000
O3 -1.381 0.543 0.000
O4 0.538 -1.411 0.000
H5 -1.428 -0.442 0.000
H6 0.213 1.564 0.888
H7 0.213 1.564 -0.888
H8 2.032 -0.002 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51811.43892.41811.99171.10231.10232.2426
C21.51812.45951.24572.38892.13882.13881.1052
O31.43892.45952.73860.98552.09122.09123.4563
O42.41811.24572.73862.19223.12173.12172.0534
H51.99172.38890.98552.19222.73972.73973.4880
H61.10232.13882.09123.12172.73971.77552.5593
H71.10232.13882.09123.12172.73971.77552.5593
H82.24261.10523.45632.05343.48802.55932.5593

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 121.769 C1 C2 H8 116.618
C1 O3 H5 109.039 C2 C1 O3 112.531
C2 C1 H6 108.372 C2 C1 H7 108.372
O3 C1 H6 110.054 O3 C1 H7 110.054
O4 C2 H8 121.613 H6 C1 H7 107.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 C -0.015      
3 O -0.474      
4 O -0.241      
5 H 0.368      
6 H 0.217      
7 H 0.217      
8 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.484 1.649 0.000 2.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.477 5.268 0.000
y 5.268 -27.003 0.000
z 0.000 0.000 -23.139
Traceless
 xyz
x 0.594 5.268 0.000
y 5.268 -3.195 0.000
z 0.000 0.000 2.601
Polar
3z2-r25.203
x2-y22.526
xy5.268
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.150 0.176 0.000
y 0.176 4.877 0.000
z 0.000 0.000 2.545


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