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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B2PLYP/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 B2PLYP/6-311G**
 hartrees
Energy at 0K-269.118867
Energy at 298.15K-269.124407
HF Energy-268.823370
Nuclear repulsion energy193.679211
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 B2PLYP/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' 3255 3255 8.82      
2 A' 3190 3190 6.13      
3 A' 3176 3176 6.23      
4 A' 3161 3161 6.82      
5 A' 3144 3144 6.35      
6 A' 2895 2895 113.30      
7 A' 1755 1755 303.17      
8 A' 1697 1697 43.89      
9 A' 1646 1646 17.88      
10 A' 1463 1463 4.43      
11 A' 1419 1419 0.21      
12 A' 1328 1328 1.89      
13 A' 1321 1321 2.39      
14 A' 1266 1266 2.68      
15 A' 1197 1197 27.73      
16 A' 1126 1126 104.54      
17 A' 968 968 4.31      
18 A' 603 603 14.77      
19 A' 432 432 0.68      
20 A' 385 385 4.26      
21 A' 149 149 5.69      
22 A" 1052 1052 48.65      
23 A" 1023 1023 7.75      
24 A" 988 988 9.03      
25 A" 947 947 32.38      
26 A" 871 871 7.64      
27 A" 653 653 2.79      
28 A" 283 283 7.41      
29 A" 208 208 1.26      
30 A" 96 96 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 20847.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20847.2 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 B2PLYP/6-311G**
ABC
0.96140 0.04469 0.04270

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.102 -1.590 0.000
O2 -1.085 -2.804 0.000
C3 0.097 -0.744 0.000
C4 0.000 0.601 0.000
C5 1.127 1.514 0.000
C6 0.993 2.849 0.000
H7 -2.062 -1.030 0.000
H8 1.057 -1.251 0.000
H9 -0.992 1.050 0.000
H10 2.119 1.071 0.000
H11 0.013 3.315 0.000
H12 1.853 3.506 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21401.46752.45253.82184.90821.11172.18502.64224.17875.03045.8906
O21.21402.37543.57374.85206.02252.02572.64563.85505.02886.21706.9603
C31.46752.37541.34812.48193.70242.17751.08562.09852.71764.05974.5980
C42.45253.57371.34811.45092.45732.62832.13231.08932.17112.71433.4456
C53.82184.85202.48191.45091.34144.07922.76612.17021.08632.11772.1197
C64.90826.02253.70242.45731.34144.93644.10032.67892.10431.08471.0825
H71.11172.02572.17752.62834.07924.93643.12632.33804.67934.81465.9909
H82.18502.64561.08562.13232.76614.10033.12633.08122.55424.68394.8231
H92.64223.85502.09851.08932.17022.67892.33803.08123.11202.47863.7587
H104.17875.02882.71762.17111.08632.10434.67932.55423.11203.07732.4488
H115.03046.21704.05972.71432.11771.08474.81464.68392.47863.07731.8494
H125.89066.96034.59803.44562.11971.08255.99094.82313.75872.44881.8494

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.098 C1 C3 H8 116.911
O2 C1 C3 124.435 O2 C1 H7 121.086
C3 C1 H7 114.479 C3 C4 C5 124.881
C3 C4 H9 118.467 C4 C3 H8 121.991
C4 C5 C6 123.239 C4 C5 H10 116.947
C5 C4 H9 116.652 C5 C6 H11 121.236
C5 C6 H12 121.604 C6 C5 H10 119.814
H11 C6 H12 117.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.191      
2 O -0.291      
3 C -0.164      
4 C -0.068      
5 C -0.116      
6 C -0.171      
7 H 0.060      
8 H 0.113      
9 H 0.105      
10 H 0.107      
11 H 0.112      
12 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.898 3.708 0.000 3.815
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.093 -3.036 0.000
y -3.036 -42.775 0.000
z 0.000 0.000 -38.206
Traceless
 xyz
x 7.397 -3.036 0.000
y -3.036 -7.125 0.000
z 0.000 0.000 -0.272
Polar
3z2-r2-0.544
x2-y29.682
xy-3.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.377 2.633 0.000
y 2.633 16.994 0.000
z 0.000 0.000 3.990


<r2> (average value of r2) Å2
<r2> 242.487
(<r2>)1/2 15.572