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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP2=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-268.724276
Energy at 298.15K-268.729513
HF Energy-267.738873
Nuclear repulsion energy193.953193
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 MP2=FULL/TZVP
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' 3298 3142 6.42      
2 A' 3225 3072 3.59      
3 A' 3209 3057 5.59      
4 A' 3194 3043 4.58      
5 A' 3175 3025 6.13      
6 A' 2955 2815 92.21      
7 A' 1736 1654 236.63      
8 A' 1705 1625 11.56      
9 A' 1648 1570 6.82      
10 A' 1478 1408 3.30      
11 A' 1440 1372 0.17      
12 A' 1338 1275 1.29      
13 A' 1331 1268 1.91      
14 A' 1280 1219 1.99      
15 A' 1210 1153 26.00      
16 A' 1139 1085 87.05      
17 A' 975 929 3.08      
18 A' 609 580 11.25      
19 A' 434 414 0.84      
20 A' 388 370 3.98      
21 A' 151 144 5.95      
22 A" 1014 966 52.97      
23 A" 987 941 12.49      
24 A" 946 902 4.26      
25 A" 816 777 42.38      
26 A" 754 718 0.84      
27 A" 581 554 1.92      
28 A" 256 243 7.68      
29 A" 132 126 1.48      
30 A" 77 74 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 20739.6 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 19758.6 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 MP2=FULL/TZVP
ABC
0.95879 0.04492 0.04291

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.101 -1.579 0.000
O2 -1.089 -2.799 0.000
C3 0.099 -0.742 0.000
C4 0.000 0.600 0.000
C5 1.129 1.506 0.000
C6 0.992 2.839 0.000
H7 -2.058 -1.023 0.000
H8 1.059 -1.246 0.000
H9 -0.991 1.049 0.000
H10 2.121 1.066 0.000
H11 0.012 3.300 0.000
H12 1.850 3.496 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21961.46342.44203.80744.88931.10712.18522.63074.16825.00515.8705
O21.21962.37533.56944.84316.00992.02332.64993.84935.02336.19796.9467
C31.46342.37531.34592.47313.69092.17551.08402.09682.71164.04324.5849
C42.44203.56941.34591.44792.44892.62122.12861.08802.17102.70003.4358
C53.80744.84312.47311.44791.34024.06912.75352.16941.08472.11342.1157
C64.88936.00993.69092.44891.34024.92144.08622.67162.10261.08251.0804
H71.10712.02332.17552.62124.06914.92143.12472.33064.67154.79355.9742
H82.18522.64991.08402.12862.75354.08623.12473.07752.54404.66554.8074
H92.63073.84932.09681.08802.16942.67162.33063.07753.11182.46483.7494
H104.16825.02332.71162.17101.08472.10264.67152.54403.11183.07242.4450
H115.00516.19794.04322.70002.11341.08254.79354.66552.46483.07241.8481
H125.87056.94674.58493.43582.11571.08045.97424.80743.74942.44501.8481

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.681 C1 C3 H8 117.365
O2 C1 C3 124.328 O2 C1 H7 120.747
C3 C1 H7 114.924 C3 C4 C5 124.508
C3 C4 H9 118.583 C4 C3 H8 121.955
C4 C5 C6 122.838 C4 C5 H10 117.289
C5 C4 H9 116.909 C5 C6 H11 121.098
C5 C6 H12 121.498 C6 C5 H10 119.873
H11 C6 H12 117.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability