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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-268.551630
Energy at 298.15K-268.557046
HF Energy-267.670304
Nuclear repulsion energy193.264604
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 CCD/6-31+G**
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' 3323 3131 10.92      
2 A' 3259 3071 4.33      
3 A' 3240 3053 6.21      
4 A' 3225 3039 8.61      
5 A' 3212 3027 6.43      
6 A' 3024 2850 73.57      
7 A' 1829 1724 286.70      
8 A' 1766 1664 2.94      
9 A' 1698 1600 7.02      
10 A' 1500 1414 2.14      
11 A' 1455 1371 0.87      
12 A' 1358 1280 1.76      
13 A' 1352 1274 2.12      
14 A' 1299 1224 0.44      
15 A' 1226 1155 28.18      
16 A' 1150 1084 69.49      
17 A' 984 928 2.28      
18 A' 609 574 12.71      
19 A' 436 411 0.95      
20 A' 389 367 4.71      
21 A' 153 144 6.95      
22 A" 1039 979 55.45      
23 A" 1019 960 12.68      
24 A" 984 927 4.19      
25 A" 936 882 40.38      
26 A" 843 795 6.30      
27 A" 634 597 3.12      
28 A" 260 245 9.49      
29 A" 167 157 2.19      
30 A" 83 78 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 21226.4 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 20001.7 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 CCD/6-31+G**
ABC
0.95601 0.04450 0.04252

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.130 -1.578 0.000
O2 -1.116 -2.797 0.000
C3 0.084 -0.742 0.000
C4 0.000 0.602 0.000
C5 1.152 1.502 0.000
C6 1.036 2.841 0.000
H7 -2.087 -1.029 0.000
H8 1.036 -1.260 0.000
H9 -0.982 1.068 0.000
H10 2.135 1.044 0.000
H11 0.067 3.324 0.000
H12 1.905 3.483 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21931.47392.45553.83344.92101.10402.18922.65044.18715.04655.9016
O21.21932.37993.57804.86126.03492.01772.64483.86795.03226.23516.9696
C31.47392.37991.34712.48563.70732.19041.08372.10152.71934.06684.6013
C42.45553.57801.34711.46192.46672.64882.13131.08742.18012.72323.4541
C53.83344.86122.48561.46191.34344.11072.76512.17791.08482.12052.1194
C64.92106.03493.70732.46671.34344.97274.10112.68622.10631.08301.0808
H71.10402.01772.19042.64884.11074.97273.13212.37024.70344.85716.0248
H82.18922.64481.08372.13132.76514.10113.13213.08182.55264.68614.8226
H92.65043.86792.10151.08742.17792.68622.37023.08183.11742.48843.7644
H104.18715.03222.71932.18011.08482.10634.70342.55263.11743.07852.4504
H115.04656.23514.06682.72322.12051.08304.85714.68612.48843.07851.8448
H125.90166.96964.60133.45412.11941.08086.02484.82263.76442.45041.8448

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.955 C1 C3 H8 116.902
O2 C1 C3 123.905 O2 C1 H7 120.484
C3 C1 H7 115.611 C3 C4 C5 124.423
C3 C4 H9 118.972 C4 C3 H8 122.143
C4 C5 C6 123.069 C4 C5 H10 116.978
C5 C4 H9 116.605 C5 C6 H11 121.473
C5 C6 H12 121.539 C6 C5 H10 119.953
H11 C6 H12 116.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability