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

using model chemistry: MP3=FULL/6-31+G**

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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-228.452193
Energy at 298.15K-228.457016
HF Energy-227.781995
Nuclear repulsion energy119.443059
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 MP3=FULL/6-31+G**
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' 3876 3611 65.70      
2 A' 3108 2895 75.89      
3 A' 3090 2879 20.78      
4 A' 1872 1744 127.31      
5 A' 1548 1443 10.40      
6 A' 1488 1386 45.12      
7 A' 1448 1349 20.87      
8 A' 1327 1236 47.96      
9 A' 1169 1089 75.07      
10 A' 907 845 46.30      
11 A' 774 721 14.62      
12 A' 300 280 21.65      
13 A" 3140 2925 18.80      
14 A" 1281 1194 2.77      
15 A" 1148 1069 0.91      
16 A" 759 707 0.08      
17 A" 358 333 107.85      
18 A" 145 135 18.61      

Unscaled Zero Point Vibrational Energy (zpe) 13868.6 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 12920.0 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 MP3=FULL/6-31+G**
ABC
0.61472 0.21795 0.16584

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.928 0.000
C2 0.934 -0.273 0.000
O3 -1.361 0.590 0.000
O4 0.526 -1.410 0.000
H5 -1.410 -0.372 0.000
H6 0.234 1.532 0.880
H7 0.234 1.532 -0.880
H8 2.013 -0.053 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.52141.40232.39661.91791.09291.09292.2394
C21.52142.45201.20832.34682.12692.12691.1013
O31.40232.45202.74980.96282.05142.05143.4349
O42.39661.20832.74982.19753.08543.08542.0136
H51.91792.34680.96282.19752.66572.66573.4385
H61.09292.12692.05143.08542.66571.75922.5400
H71.09292.12692.05143.08542.66571.75922.5400
H82.23941.10133.43492.01363.43852.54002.5400

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 122.379 C1 C2 H8 116.349
C1 O3 H5 106.897 C2 C1 O3 113.932
C2 C1 H6 107.761 C2 C1 H7 107.761
O3 C1 H6 109.975 O3 C1 H7 109.975
O4 C2 H8 121.272 H6 C1 H7 107.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability