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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP2/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-268.765797
Energy at 298.15K-268.771328
HF Energy-267.744095
Nuclear repulsion energy194.006564
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 MP2/6-311+G(3df,2p)
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' 3282 3097 3.54      
2 A' 3209 3027 1.79      
3 A' 3194 3014 4.32      
4 A' 3177 2997 3.05      
5 A' 3159 2981 4.03      
6 A' 2944 2777 76.98      
7 A' 1737 1639 281.37      
8 A' 1693 1597 18.65      
9 A' 1635 1543 9.78      
10 A' 1460 1377 3.71      
11 A' 1413 1333 0.10      
12 A' 1322 1247 1.63      
13 A' 1316 1241 2.37      
14 A' 1260 1189 3.11      
15 A' 1198 1130 30.91      
16 A' 1137 1073 84.40      
17 A' 966 911 3.11      
18 A' 599 565 12.25      
19 A' 432 407 0.86      
20 A' 383 361 3.78      
21 A' 150 141 6.44      
22 A" 1052 993 49.93      
23 A" 1020 962 1.62      
24 A" 990 934 9.56      
25 A" 952 898 29.43      
26 A" 873 823 6.18      
27 A" 659 622 2.82      
28 A" 285 269 7.39      
29 A" 205 194 2.02      
30 A" 93 88 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 20896.4 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 19713.7 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 MP2/6-311+G(3df,2p)
ABC
0.95698 0.04497 0.04295

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.095 -1.582 0.000
O2 -1.083 -2.799 0.000
C3 0.105 -0.745 0.000
C4 0.000 0.599 0.000
C5 1.125 1.509 0.000
C6 0.981 2.843 0.000
H7 -2.052 -1.024 0.000
H8 1.067 -1.245 0.000
H9 -0.995 1.040 0.000
H10 2.118 1.073 0.000
H11 -0.003 3.295 0.000
H12 1.836 3.503 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21721.46282.44003.80504.88731.10762.18782.62394.16744.99775.8691
O21.21722.37283.56614.84056.00742.02192.65273.84015.02346.18906.9453
C31.46282.37281.34782.47373.69312.17471.08422.09672.71214.04154.5872
C42.44003.56611.34781.44672.44912.61612.13031.08842.17032.69643.4361
C53.80504.84052.47371.44671.34184.06272.75452.17061.08492.11242.1174
C64.88736.00743.69312.44911.34184.91434.08892.67442.10411.08271.0806
H71.10762.02192.17472.61614.06274.91433.12652.31924.66724.78065.9676
H82.18782.65271.08422.13032.75454.08893.12653.07792.54484.66464.8101
H92.62393.84012.09671.08842.17062.67442.31923.07793.11292.46343.7524
H104.16745.02342.71212.17031.08492.10414.66722.54483.11293.07222.4468
H114.99776.18904.04152.69642.11241.08274.78064.66462.46343.07221.8508
H125.86916.94534.58723.43612.11741.08065.96764.81013.75242.44681.8508

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.433 C1 C3 H8 117.628
O2 C1 C3 124.345 O2 C1 H7 120.783
C3 C1 H7 114.872 C3 C4 C5 124.514
C3 C4 H9 118.394 C4 C3 H8 121.939
C4 C5 C6 122.823 C4 C5 H10 117.309
C5 C4 H9 117.092 C5 C6 H11 120.846
C5 C6 H12 121.504 C6 C5 H10 119.868
H11 C6 H12 117.650
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability