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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-268.666726
Energy at 298.15K-268.672207
HF Energy-267.704700
Nuclear repulsion energy193.352483
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/6-311G*
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' 3286 3112 8.00      
2 A' 3212 3042 4.35      
3 A' 3200 3031 5.98      
4 A' 3184 3015 4.96      
5 A' 3167 2999 6.70      
6 A' 2942 2787 106.07      
7 A' 1757 1664 205.19      
8 A' 1710 1620 12.51      
9 A' 1649 1561 6.80      
10 A' 1473 1395 4.39      
11 A' 1429 1353 0.85      
12 A' 1340 1269 1.10      
13 A' 1329 1259 2.34      
14 A' 1280 1212 3.27      
15 A' 1208 1145 18.35      
16 A' 1142 1082 88.95      
17 A' 978 926 4.13      
18 A' 607 575 12.38      
19 A' 434 411 0.72      
20 A' 387 366 4.36      
21 A' 150 142 5.43      
22 A" 1036 981 52.24      
23 A" 1015 962 15.26      
24 A" 974 922 6.42      
25 A" 911 863 41.97      
26 A" 849 805 6.06      
27 A" 642 608 3.08      
28 A" 277 263 8.46      
29 A" 198 187 1.26      
30 A" 93 88 2.20      

Unscaled Zero Point Vibrational Energy (zpe) 20929.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 19822.4 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 MP2=FULL/6-311G*
ABC
0.95444 0.04460 0.04261

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.111 -1.586 0.000
O2 -1.095 -2.804 0.000
C3 0.094 -0.745 0.000
C4 0.000 0.603 0.000
C5 1.136 1.508 0.000
C6 1.005 2.848 0.000
H7 -2.073 -1.029 0.000
H8 1.054 -1.256 0.000
H9 -0.993 1.058 0.000
H10 2.129 1.063 0.000
H11 0.027 3.320 0.000
H12 1.870 3.502 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21781.46922.45483.82384.91291.11162.18982.64614.18515.03575.8966
O21.21782.37773.57874.85526.02942.02582.64873.86265.03506.22536.9680
C31.46922.37771.35122.48243.70652.18521.08802.10452.72244.06484.6031
C42.45483.57871.35121.45242.45952.63842.13751.09172.17842.71643.4495
C53.82384.85522.48241.45241.34594.09082.76582.17581.08862.12362.1243
C64.91296.02943.70652.45951.34594.95054.10442.68292.10911.08601.0841
H71.11162.02582.18522.63844.09084.95053.13522.34974.69414.82926.0063
H82.18982.64871.08802.13752.76584.10443.13523.08922.55644.68964.8274
H92.64613.86262.10451.09172.17582.68292.34973.08923.12202.48133.7643
H104.18515.03502.72242.17841.08862.10914.69412.55643.12203.08392.4524
H115.03576.22534.06482.71642.12361.08604.82924.68962.48133.08391.8519
H125.89666.96804.60313.44952.12431.08416.00634.82743.76432.45241.8519

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.948 C1 C3 H8 117.031
O2 C1 C3 124.216 O2 C1 H7 120.772
C3 C1 H7 115.012 C3 C4 C5 124.566
C3 C4 H9 118.574 C4 C3 H8 122.021
C4 C5 C6 122.985 C4 C5 H10 117.310
C5 C4 H9 116.860 C5 C6 H11 121.303
C5 C6 H12 121.534 C6 C5 H10 119.704
H11 C6 H12 117.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability