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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-229.136446
Energy at 298.15K-229.141393
Nuclear repulsion energy119.646337
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/cc-pVTZ
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' 3700 3576 60.02      
2 A' 2970 2870 61.43      
3 A' 2919 2821 71.77      
4 A' 1799 1739 149.09      
5 A' 1480 1430 19.04      
6 A' 1439 1391 51.71      
7 A' 1394 1348 21.73      
8 A' 1300 1257 50.13      
9 A' 1131 1093 80.24      
10 A' 865 836 52.75      
11 A' 765 739 9.76      
12 A' 287 277 23.66      
13 A" 2981 2882 22.05      
14 A" 1253 1211 2.00      
15 A" 1108 1071 0.18      
16 A" 726 702 0.01      
17 A" 410 397 83.25      
18 A" 223 216 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 13374.5 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 12927.8 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 B3LYP/cc-pVTZ
ABC
0.61959 0.21806 0.16625

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.929 0.000
C2 0.925 -0.257 0.000
O3 -1.348 0.557 0.000
O4 0.512 -1.390 0.000
H5 -1.362 -0.413 0.000
H6 0.246 1.542 0.879
H7 0.246 1.542 -0.879
H8 2.008 -0.034 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50331.39822.37461.91171.09981.09982.2268
C21.50332.41361.20602.29232.11402.11401.1061
O31.39822.41362.69250.96922.06982.06983.4074
O42.37461.20602.69252.11423.07273.07272.0191
H51.91172.29230.96922.11422.67952.67953.3917
H61.09982.11402.06983.07272.67951.75802.5222
H71.09982.11402.06983.07272.67951.75802.5222
H82.22681.10613.40742.01913.39172.52222.5222

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 122.049 C1 C2 H8 116.337
C1 O3 H5 106.291 C2 C1 O3 112.527
C2 C1 H6 107.598 C2 C1 H7 107.598
O3 C1 H6 111.343 O3 C1 H7 111.343
O4 C2 H8 121.614 H6 C1 H7 106.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.087      
2 C 0.119      
3 O -0.345      
4 O -0.270      
5 H 0.211      
6 H 0.063      
7 H 0.063      
8 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.856 1.416 0.000 2.334
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.196 3.862 0.000
y 3.862 -26.281 0.000
z 0.000 0.000 -23.182
Traceless
 xyz
x 0.536 3.862 0.000
y 3.862 -2.592 0.000
z 0.000 0.000 2.057
Polar
3z2-r24.113
x2-y22.085
xy3.862
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.076 0.150 0.000
y 0.150 5.423 0.000
z 0.000 0.000 3.434


<r2> (average value of r2) Å2
<r2> 73.085
(<r2>)1/2 8.549