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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-268.335947
Energy at 298.15K-268.341612
HF Energy-267.651247
Nuclear repulsion energy194.563985
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 CID/6-31G*
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' 3376 3119 9.99      
2 A' 3319 3066 3.79      
3 A' 3300 3048 5.15      
4 A' 3286 3035 8.20      
5 A' 3271 3021 6.09      
6 A' 3081 2846 87.59      
7 A' 1924 1778 369.55      
8 A' 1843 1702 24.47      
9 A' 1772 1637 14.86      
10 A' 1543 1425 3.51      
11 A' 1502 1388 2.35      
12 A' 1404 1297 2.91      
13 A' 1398 1292 2.76      
14 A' 1340 1237 1.34      
15 A' 1262 1166 34.37      
16 A' 1185 1095 89.97      
17 A' 1014 936 3.97      
18 A' 630 582 16.60      
19 A' 451 417 0.76      
20 A' 403 373 5.32      
21 A' 158 146 7.01      
22 A" 1104 1020 37.02      
23 A" 1083 1001 18.36      
24 A" 1052 972 13.06      
25 A" 1025 946 34.68      
26 A" 919 849 8.32      
27 A" 682 630 2.54      
28 A" 286 264 8.60      
29 A" 202 186 1.87      
30 A" 96 88 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 21954.5 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 20279.4 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 CID/6-31G*
ABC
0.96678 0.04510 0.04309

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.120 -1.573 0.000
O2 -1.105 -2.778 0.000
C3 0.086 -0.737 0.000
C4 0.000 0.595 0.000
C5 1.143 1.498 0.000
C6 1.023 2.822 0.000
H7 -2.075 -1.023 0.000
H8 1.036 -1.253 0.000
H9 -0.980 1.059 0.000
H10 2.125 1.043 0.000
H11 0.056 3.304 0.000
H12 1.885 3.470 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20531.46792.44003.81504.88921.10182.17972.63554.16855.01685.8702
O21.20532.36383.54944.83135.99052.00542.62883.83905.00376.19206.9265
C31.46792.36381.33402.47203.67932.17991.08102.08812.70644.04064.5746
C42.44003.54941.33401.45712.45052.63102.11801.08462.17192.70993.4378
C53.81504.83132.47201.45711.32904.08812.75292.16851.08202.10812.1064
C64.88925.99053.67932.45051.32904.93724.07442.66832.09231.08071.0787
H71.10182.00542.17992.63104.08814.93723.11922.35204.68074.82315.9887
H82.17972.62881.08102.11802.75294.07443.11923.06722.54124.66104.7980
H92.63553.83902.08811.08462.16852.66832.35203.06723.10542.47273.7447
H104.16855.00372.70642.17191.08202.09234.68072.54123.10543.06482.4380
H115.01686.19204.04062.70992.10811.08074.82314.66102.47273.06481.8370
H125.87026.92654.57463.43782.10641.07875.98874.79803.74472.43801.8370

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.040 C1 C3 H8 116.729
O2 C1 C3 124.024 O2 C1 H7 120.663
C3 C1 H7 115.313 C3 C4 C5 124.613
C3 C4 H9 119.034 C4 C3 H8 122.231
C4 C5 C6 123.112 C4 C5 H10 116.829
C5 C4 H9 116.353 C5 C6 H11 121.713
C5 C6 H12 121.710 C6 C5 H10 120.058
H11 C6 H12 116.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability