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All results from a given calculation for CH2CHCHO (Acrolein)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-191.475746
Energy at 298.15K 
HF Energy-190.808142
Nuclear repulsion energy102.312690
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 MP4/6-311G**
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' 3243 3145        
2 A' 3187 3091        
3 A' 3143 3048        
4 A' 2889 2801        
5 A' 1727 1674        
6 A' 1646 1597        
7 A' 1449 1405        
8 A' 1386 1344        
9 A' 1285 1246        
10 A' 1163 1128        
11 A' 912 885        
12 A' 562 545        
13 A' 311 301        
14 A" 1017 986        
15 A" 996 966        
16 A" 938 909        
17 A" 593 575        
18 A" 159 154        

Unscaled Zero Point Vibrational Energy (zpe) 13302.5 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 12899.5 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 MP4/6-311G**
ABC
1.57599 0.15297 0.13944

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.152 -0.752 0.000
C2 0.000 0.726 0.000
C3 1.224 1.291 0.000
O4 -1.227 -1.330 0.000
H5 0.813 -1.314 0.000
H6 -0.917 1.314 0.000
H7 1.364 2.370 0.000
H8 2.122 0.673 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.48602.46341.22051.11612.20323.47032.6836
C21.48601.34822.39412.19601.08952.13582.1230
C32.46341.34823.58842.63752.14161.08741.0905
O41.22052.39413.58842.03962.66154.51653.9022
H51.11612.19602.63752.03963.14623.72462.3796
H62.20321.08952.14162.66153.14622.51413.1066
H73.47032.13581.08744.51653.72462.51411.8584
H82.68362.12301.09053.90222.37963.10661.8584

picture of Acrolein state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.641 C1 C2 H6 116.780
C2 C1 O4 124.105 C2 C1 H5 114.366
C2 C3 H7 122.186 C2 C3 H8 120.672
C3 C2 H6 122.579 O4 C1 H5 121.529
H7 C3 H8 117.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability