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All results from a given calculation for CH2CHCHO (Acrolein)

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

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 MP3/6-31+G**
 hartrees
Energy at 0K-191.362855
Energy at 298.15K 
HF Energy-190.767991
Nuclear repulsion energy103.036232
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 MP3/6-31+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' 3349 3116 7.97      
2 A' 3295 3066 1.45      
3 A' 3249 3023 4.31      
4 A' 3037 2826 82.83      
5 A' 1875 1745 152.63      
6 A' 1746 1625 2.56      
7 A' 1513 1408 7.59      
8 A' 1447 1347 3.79      
9 A' 1337 1244 2.42      
10 A' 1212 1128 32.63      
11 A' 953 887 16.09      
12 A' 584 543 5.77      
13 A' 325 302 11.10      
14 A" 1050 977 8.66      
15 A" 1030 958 17.58      
16 A" 986 918 28.39      
17 A" 609 566 8.96      
18 A" 159 148 5.48      

Unscaled Zero Point Vibrational Energy (zpe) 13877.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 12912.7 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 MP3/6-31+G**
ABC
1.59751 0.15514 0.14141

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.146 -0.750 0.000
C2 0.000 0.720 0.000
C3 1.211 1.286 0.000
O4 -1.217 -1.321 0.000
H5 0.802 -1.315 0.000
H6 -0.913 1.300 0.000
H7 1.345 2.357 0.000
H8 2.109 0.683 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.47742.44691.21341.10342.18803.44592.6718
C21.47741.33682.37632.18741.08092.11832.1095
C32.44691.33683.56242.63322.12371.07891.0819
O41.21342.37633.56242.01832.63804.48193.8828
H51.10342.18742.63322.01833.12633.71172.3877
H62.18801.08092.12372.63803.12632.49293.0840
H73.44592.11831.07894.48193.71172.49291.8400
H82.67182.10951.08193.88282.38773.08401.8400

picture of Acrolein state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.719 C1 C2 H6 116.731
C2 C1 O4 123.751 C2 C1 H5 115.136
C2 C3 H7 122.175 C2 C3 H8 121.062
C3 C2 H6 122.550 O4 C1 H5 121.113
H7 C3 H8 116.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability