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All results from a given calculation for CH2CHCHO (Acrolein)

using model chemistry: MP4/6-31G(2df,p)

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 MP4/6-31G(2df,p)
 hartrees
Energy at 0K-191.510126
Energy at 298.15K 
HF Energy-190.779847
Nuclear repulsion energy102.651433
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 MP4/6-31G(2df,p)
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' 3276 3276        
2 A' 3223 3223        
3 A' 3177 3177        
4 A' 2918 2918        
5 A' 1743 1743        
6 A' 1655 1655        
7 A' 1458 1458        
8 A' 1395 1395        
9 A' 1294 1294        
10 A' 1171 1171        
11 A' 918 918        
12 A' 562 562        
13 A' 311 311        
14 A" 1038 1038        
15 A" 1022 1022        
16 A" 980 980        
17 A" 612 612        
18 A" 167 167        

Unscaled Zero Point Vibrational Energy (zpe) 13459.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13459.5 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 MP4/6-31G(2df,p)
ABC
1.58594 0.15409 0.14044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.154 -0.745 0.000
C2 0.000 0.727 0.000
C3 1.223 1.281 0.000
O4 -1.225 -1.325 0.000
H5 0.808 -1.304 0.000
H6 -0.912 1.316 0.000
H7 1.375 2.354 0.000
H8 2.114 0.658 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.47942.44891.21881.11262.19603.45532.6663
C21.47941.34272.38982.18541.08592.13052.1151
C32.44891.34273.57562.61742.13531.08401.0871
O41.21882.38983.57562.03392.65984.50533.8837
H51.11262.18542.61742.03393.13423.70132.3563
H62.19601.08592.13532.65983.13422.51153.0968
H73.45532.13051.08404.50533.70132.51151.8501
H82.66632.11511.08713.88372.35633.09681.8501

picture of Acrolein state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.323 C1 C2 H6 116.920
C2 C1 O4 124.391 C2 C1 H5 114.202
C2 C3 H7 122.431 C2 C3 H8 120.677
C3 C2 H6 122.757 O4 C1 H5 121.407
H7 C3 H8 116.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability