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All results from a given calculation for CH2CHCHO (Acrolein)

using model chemistry: CID/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 CID/6-31G(2df,p)
 hartrees
Energy at 0K-191.377378
Energy at 298.15K 
HF Energy-190.782973
Nuclear repulsion energy103.859701
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 CID/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' 3368 3368 3.41      
2 A' 3321 3321 0.49      
3 A' 3273 3273 2.36      
4 A' 3058 3058 71.98      
5 A' 1928 1928 229.85      
6 A' 1780 1780 1.69      
7 A' 1525 1525 10.32      
8 A' 1463 1463 7.15      
9 A' 1351 1351 2.22      
10 A' 1222 1222 36.05      
11 A' 958 958 19.20      
12 A' 591 591 5.87      
13 A' 328 328 11.24      
14 A" 1100 1100 0.33      
15 A" 1093 1093 12.35      
16 A" 1066 1066 39.31      
17 A" 643 643 8.24      
18 A" 169 169 5.52      

Unscaled Zero Point Vibrational Energy (zpe) 14118.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14118.4 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 CID/6-31G(2df,p)
ABC
1.61818 0.15748 0.14352

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.151 -0.746 0.000
C2 0.000 0.720 0.000
C3 1.200 1.276 0.000
O4 -1.202 -1.313 0.000
H5 0.799 -1.304 0.000
H6 -0.910 1.297 0.000
H7 1.339 2.344 0.000
H8 2.094 0.672 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.47412.43221.19461.10102.17983.43052.6549
C21.47411.32282.36202.17591.07762.10482.0944
C32.43221.32283.53222.61132.11051.07641.0789
O41.19462.36203.53222.00102.62624.45333.8476
H51.10102.17592.61132.00103.11213.68752.3624
H62.17981.07762.11052.62623.11212.48123.0684
H73.43052.10481.07644.45333.68752.48121.8342
H82.65492.09441.07893.84762.36243.06841.8342

picture of Acrolein state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.733 C1 C2 H6 116.497
C2 C1 O4 124.186 C2 C1 H5 114.565
C2 C3 H7 122.299 C2 C3 H8 121.058
C3 C2 H6 122.771 O4 C1 H5 121.248
H7 C3 H8 116.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability