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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-269.219771
Energy at 298.15K-269.225295
HF Energy-269.219771
Nuclear repulsion energy193.688377
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 B3PW91/6-31G**
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' 3265 3129 7.64      
2 A' 3200 3067 5.30      
3 A' 3181 3049 6.93      
4 A' 3168 3036 6.86      
5 A' 3148 3017 6.58      
6 A' 2889 2769 112.01      
7 A' 1804 1729 327.64      
8 A' 1718 1646 60.69      
9 A' 1670 1600 25.03      
10 A' 1460 1400 4.11      
11 A' 1420 1361 0.35      
12 A' 1326 1270 2.91      
13 A' 1320 1265 2.19      
14 A' 1264 1211 4.47      
15 A' 1199 1149 24.55      
16 A' 1138 1090 107.88      
17 A' 967 927 5.96      
18 A' 601 576 15.79      
19 A' 432 414 0.50      
20 A' 381 365 4.30      
21 A' 147 141 5.62      
22 A" 1056 1012 38.69      
23 A" 1022 980 5.28      
24 A" 989 948 13.29      
25 A" 956 916 30.18      
26 A" 879 842 7.78      
27 A" 654 626 1.99      
28 A" 284 272 6.43      
29 A" 215 206 1.23      
30 A" 98 94 2.67      

Unscaled Zero Point Vibrational Energy (zpe) 20924.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 20053.9 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 B3PW91/6-31G**
ABC
0.96135 0.04473 0.04274

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.094 -1.591 0.000
O2 -1.077 -2.807 0.000
C3 0.100 -0.745 0.000
C4 0.000 0.600 0.000
C5 1.120 1.516 0.000
C6 0.982 2.851 0.000
H7 -2.058 -1.030 0.000
H8 1.064 -1.250 0.000
H9 -0.997 1.046 0.000
H10 2.117 1.077 0.000
H11 0.001 3.319 0.000
H12 1.842 3.513 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21601.46352.44923.81594.90311.11502.18482.63924.17445.03065.8884
O21.21602.37413.57334.84996.02082.02942.64723.85425.02826.22006.9616
C31.46352.37411.34912.48133.70262.17691.08792.10062.71764.06544.6009
C42.44923.57331.34911.44742.45552.62572.13421.09192.16952.71883.4464
C53.81594.84992.48131.44741.34134.07292.76722.16841.08902.12162.1230
C64.90316.02083.70262.45551.34134.93014.10162.67792.10561.08721.0852
H71.11502.02942.17692.62574.07294.93013.12952.33234.67624.81215.9877
H82.18482.64721.08792.13422.76724.10163.12953.08522.55394.69104.8264
H92.63923.85422.10061.09192.16842.67792.33233.08523.11322.48183.7604
H104.17445.02822.71762.16951.08902.10564.67622.55393.11323.08272.4519
H115.03066.22004.06542.71882.12161.08724.81214.69102.48183.08271.8510
H125.88846.96164.60093.44642.12301.08525.98774.82643.76042.45191.8510

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.052 C1 C3 H8 117.047
O2 C1 C3 124.501 O2 C1 H7 120.990
C3 C1 H7 114.508 C3 C4 C5 125.030
C3 C4 H9 118.375 C4 C3 H8 121.901
C4 C5 C6 123.375 C4 C5 H10 116.894
C5 C4 H9 116.595 C5 C6 H11 121.417
C5 C6 H12 121.718 C6 C5 H10 119.731
H11 C6 H12 116.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.264      
2 O -0.427      
3 C -0.161      
4 C -0.086      
5 C -0.068      
6 C -0.289      
7 H 0.081      
8 H 0.141      
9 H 0.129      
10 H 0.133      
11 H 0.138      
12 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.005 3.909 0.000 4.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.162 -3.029 0.000
y -3.029 -41.764 0.000
z 0.000 0.000 -37.214
Traceless
 xyz
x 7.327 -3.029 0.000
y -3.029 -7.076 0.000
z 0.000 0.000 -0.251
Polar
3z2-r2-0.503
x2-y29.602
xy-3.029
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.200 2.853 0.000
y 2.853 17.115 0.000
z 0.000 0.000 3.184


<r2> (average value of r2) Å2
<r2> 241.726
(<r2>)1/2 15.548