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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-268.684531
Energy at 298.15K-268.689915
HF Energy-267.713531
Nuclear repulsion energy192.426469
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 MP4/6-311G**
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' 3245 3147        
2 A' 3175 3079        
3 A' 3162 3066        
4 A' 3147 3051        
5 A' 3127 3033        
6 A' 2884 2796        
7 A' 1715 1663        
8 A' 1679 1628        
9 A' 1619 1570        
10 A' 1450 1406        
11 A' 1403 1361        
12 A' 1310 1271        
13 A' 1304 1265        
14 A' 1251 1214        
15 A' 1184 1148        
16 A' 1113 1079        
17 A' 955 926        
18 A' 591 573        
19 A' 424 411        
20 A' 376 364        
21 A' 143 139        
22 A" 1022 991        
23 A" 997 967        
24 A" 961 932        
25 A" 892 865        
26 A" 824 799        
27 A" 627 608        
28 A" 270 262        
29 A" 189 183        
30 A" 90 87        

Unscaled Zero Point Vibrational Energy (zpe) 20563.5 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 19940.5 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 MP4/6-311G**
ABC
0.94639 0.04414 0.04217

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.117 -1.595 0.000
O2 -1.103 -2.817 0.000
C3 0.096 -0.749 0.000
C4 0.000 0.605 0.000
C5 1.142 1.517 0.000
C6 1.011 2.863 0.000
H7 -2.077 -1.025 0.000
H8 1.059 -1.260 0.000
H9 -0.995 1.061 0.000
H10 2.136 1.066 0.000
H11 0.028 3.333 0.000
H12 1.879 3.518 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22231.47942.46763.84614.94021.11642.20222.65874.20265.05975.9266
O21.22232.39113.59574.88176.06102.04022.66473.87965.05646.25367.0023
C31.47942.39111.35702.49583.72572.19021.09072.11292.72984.08224.6244
C42.46763.59571.35701.46182.47412.63982.14491.09472.18482.72823.4667
C53.84614.88172.49581.46181.35204.10152.77872.18571.09142.13012.1323
C64.94026.06103.72572.47411.35204.96474.12332.69712.12001.08951.0874
H71.11642.04022.19022.63984.10154.96473.14492.34904.70254.83946.0237
H82.20222.66471.09072.14492.77874.12333.14493.09962.56284.70754.8482
H92.65873.87962.11291.09472.18572.69712.34903.09963.13102.49233.7817
H104.20265.05642.72982.18481.09142.12004.70252.56283.13103.09552.4660
H115.05976.25364.08222.72822.13011.08954.83944.70752.49233.09551.8598
H125.92667.00234.62443.46672.13231.08746.02374.84823.78172.46601.8598

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.853 C1 C3 H8 117.123
O2 C1 C3 124.242 O2 C1 H7 121.408
C3 C1 H7 114.351 C3 C4 C5 124.561
C3 C4 H9 118.656 C4 C3 H8 122.024
C4 C5 C6 123.061 C4 C5 H10 116.936
C5 C4 H9 116.783 C5 C6 H11 121.118
C5 C6 H12 121.506 C6 C5 H10 120.004
H11 C6 H12 117.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability