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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-228.546017
Energy at 298.15K-228.550798
HF Energy-227.816107
Nuclear repulsion energy119.441543
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 MP2=FULL/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3767 3568 45.36      
2 A' 3050 2889 51.91      
3 A' 3011 2851 72.71      
4 A' 1780 1686 85.24      
5 A' 1530 1449 11.31      
6 A' 1478 1400 79.59      
7 A' 1419 1344 14.98      
8 A' 1326 1256 54.41      
9 A' 1162 1101 76.44      
10 A' 892 845 45.74      
11 A' 775 734 10.68      
12 A' 306 289 22.54      
13 A" 3085 2922 25.64      
14 A" 1271 1204 3.39      
15 A" 1130 1070 0.48      
16 A" 743 704 0.02      
17 A" 357 339 97.06      
18 A" 125 119 25.70      

Unscaled Zero Point Vibrational Energy (zpe) 13603.3 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 12883.7 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 MP2=FULL/6-311G*
ABC
0.61358 0.21855 0.16614

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.937 0.000
C2 0.928 -0.252 0.000
O3 -1.345 0.550 0.000
O4 0.508 -1.393 0.000
H5 -1.352 -0.416 0.000
H6 0.234 1.548 0.883
H7 0.234 1.548 -0.883
H8 2.014 -0.042 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50821.39982.38401.91201.09921.09922.2390
C21.50822.41061.21512.28552.12182.12181.1061
O31.39982.41062.68480.96542.06662.06663.4109
O42.38401.21512.68482.10093.08263.08262.0227
H51.91202.28550.96542.10092.67412.67413.3862
H61.09922.12182.06663.08262.67411.76572.5446
H71.09922.12182.06663.08262.67411.76572.5446
H82.23901.10613.41092.02273.38622.54462.5446

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 121.816 C1 C2 H8 117.012
C1 O3 H5 106.423 C2 C1 O3 111.932
C2 C1 H6 107.904 C2 C1 H7 107.904
O3 C1 H6 111.010 O3 C1 H7 111.010
O4 C2 H8 121.172 H6 C1 H7 106.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability