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All results from a given calculation for CH2CHCHO (Acrolein)

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

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=FULL/6-31G*
 hartrees
Energy at 0K-191.345825
Energy at 298.15K-191.349590
HF Energy-190.760773
Nuclear repulsion energy102.978061
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/6-31G*
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' 3303 3099 6.87      
2 A' 3252 3052 1.11      
3 A' 3211 3013 3.73      
4 A' 3003 2818 79.72      
5 A' 1875 1760 154.08      
6 A' 1740 1633 2.48      
7 A' 1506 1413 9.05      
8 A' 1441 1352 4.17      
9 A' 1335 1252 2.70      
10 A' 1215 1140 30.32      
11 A' 953 894 18.39      
12 A' 586 549 6.23      
13 A' 327 307 10.98      
14 A" 1044 980 5.23      
15 A" 1029 966 21.84      
16 A" 986 925 35.33      
17 A" 610 572 10.23      
18 A" 161 151 5.49      

Unscaled Zero Point Vibrational Energy (zpe) 13788.6 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 12937.9 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/6-31G*
ABC
1.59216 0.15517 0.14139

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.133 -0.751 0.000
C2 0.000 0.703 0.000
C3 1.206 1.295 0.000
O4 -1.217 -1.311 0.000
H5 0.779 -1.361 0.000
H6 -0.916 1.285 0.000
H7 1.308 2.374 0.000
H8 2.122 0.709 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.46012.44511.21991.09702.18103.44122.6861
C21.46011.34362.35342.20591.08492.12202.1216
C32.44511.34363.55852.68972.12211.08411.0866
O41.21992.35343.55851.99582.61374.46733.9020
H51.09702.20592.68971.99583.14173.77212.4673
H62.18101.08492.12212.61373.14172.47623.0915
H73.44122.12201.08414.46733.77212.47621.8532
H82.68612.12161.08663.90202.46733.09151.8532

picture of Acrolein state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 121.352 C1 C2 H6 117.195
C2 C1 O4 122.589 C2 C1 H5 118.549
C2 C3 H7 121.501 C2 C3 H8 121.262
C3 C2 H6 121.453 O4 C1 H5 118.862
H7 C3 H8 117.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability