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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3PW91/6-31+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 B3PW91/6-31+G**
 hartrees
Energy at 0K-269.231463
Energy at 298.15K-269.236978
HF Energy-269.231463
Nuclear repulsion energy193.536068
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 B3PW91/6-31+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' 3263 3133 6.62      
2 A' 3198 3070 4.86      
3 A' 3180 3053 6.66      
4 A' 3166 3040 6.30      
5 A' 3149 3023 5.96      
6 A' 2909 2793 96.59      
7 A' 1780 1709 423.59      
8 A' 1707 1639 69.89      
9 A' 1658 1592 31.20      
10 A' 1456 1398 4.56      
11 A' 1411 1355 0.05      
12 A' 1323 1270 1.99      
13 A' 1316 1264 2.05      
14 A' 1263 1213 3.29      
15 A' 1199 1151 32.97      
16 A' 1137 1092 110.64      
17 A' 966 927 6.45      
18 A' 601 577 16.31      
19 A' 432 414 0.56      
20 A' 381 366 4.57      
21 A' 148 142 6.48      
22 A" 1047 1005 53.57      
23 A" 1018 977 4.24      
24 A" 984 945 19.97      
25 A" 957 919 30.63      
26 A" 878 843 10.14      
27 A" 650 624 3.22      
28 A" 281 270 8.17      
29 A" 212 203 1.70      
30 A" 96 93 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 20883.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 20050.4 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 B3PW91/6-31+G**
ABC
0.96028 0.04466 0.04268

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.099 -1.588 0.000
O2 -1.085 -2.806 0.000
C3 0.097 -0.746 0.000
C4 0.000 0.602 0.000
C5 1.125 1.513 0.000
C6 0.993 2.850 0.000
H7 -2.065 -1.034 0.000
H8 1.059 -1.254 0.000
H9 -0.995 1.052 0.000
H10 2.120 1.070 0.000
H11 0.014 3.323 0.000
H12 1.857 3.507 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21851.46242.44983.81654.90641.11322.18402.64144.17475.03555.8905
O21.21852.37503.57644.85226.02602.02482.64693.85885.02986.22716.9652
C31.46242.37501.35132.48263.70642.18101.08822.10332.71894.07034.6032
C42.44983.57641.35131.44832.45812.63452.13681.09202.17132.72173.4483
C53.81654.85222.48261.44831.34354.08272.76842.16991.08922.12412.1239
C64.90646.02603.70642.45811.34354.94374.10512.68072.10731.08761.0854
H71.11322.02482.18102.63454.08274.94373.13192.34434.68444.82786.0005
H82.18402.64691.08822.13682.76844.10513.13193.08802.55504.69544.8279
H92.64143.85882.10331.09202.16992.68072.34433.08803.11522.48543.7633
H104.17475.02982.71892.17131.08922.10734.68442.55503.11523.08472.4515
H115.03556.22714.07032.72172.12411.08764.82784.69542.48543.08471.8525
H125.89056.96524.60323.44832.12391.08546.00054.82793.76332.45151.8525

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.024 C1 C3 H8 117.037
O2 C1 C3 124.469 O2 C1 H7 120.478
C3 C1 H7 115.053 C3 C4 C5 124.908
C3 C4 H9 118.442 C4 C3 H8 121.939
C4 C5 C6 123.354 C4 C5 H10 116.964
C5 C4 H9 116.650 C5 C6 H11 121.437
C5 C6 H12 121.589 C6 C5 H10 119.681
H11 C6 H12 116.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 O -0.388      
3 C -0.053      
4 C -0.106      
5 C -0.044      
6 C -0.350      
7 H 0.119      
8 H 0.170      
9 H 0.156      
10 H 0.160      
11 H 0.160      
12 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.029 4.266 0.000 4.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.710 -3.378 0.000
y -3.378 -43.815 0.000
z 0.000 0.000 -38.466
Traceless
 xyz
x 8.431 -3.378 0.000
y -3.378 -8.227 0.000
z 0.000 0.000 -0.204
Polar
3z2-r2-0.408
x2-y211.105
xy-3.378
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.973 3.129 0.000
y 3.129 18.895 0.000
z 0.000 0.000 5.375


<r2> (average value of r2) Å2
<r2> 242.856
(<r2>)1/2 15.584