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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-269.271441
Energy at 298.15K-269.276969
HF Energy-269.271441
Nuclear repulsion energy194.025241
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 B3PW91/6-311G*
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' 3239 3118 11.14      
2 A' 3177 3059 8.92      
3 A' 3161 3043 8.06      
4 A' 3146 3029 10.78      
5 A' 3132 3016 6.66      
6 A' 2875 2767 121.83      
7 A' 1792 1725 362.90      
8 A' 1709 1646 61.27      
9 A' 1661 1599 26.37      
10 A' 1460 1406 5.51      
11 A' 1419 1366 0.37      
12 A' 1330 1281 1.64      
13 A' 1322 1273 2.74      
14 A' 1268 1221 3.26      
15 A' 1199 1154 26.04      
16 A' 1130 1088 112.42      
17 A' 969 933 5.95      
18 A' 603 581 16.16      
19 A' 432 416 0.54      
20 A' 382 368 4.61      
21 A' 148 142 5.69      
22 A" 1050 1011 50.60      
23 A" 1020 982 6.71      
24 A" 985 949 14.89      
25 A" 949 913 34.91      
26 A" 878 845 9.55      
27 A" 651 627 3.05      
28 A" 284 273 7.96      
29 A" 213 206 1.28      
30 A" 97 93 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 20840.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 20063.5 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 B3PW91/6-311G*
ABC
0.96623 0.04485 0.04286

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.094 -1.591 0.000
O2 -1.078 -2.800 0.000
C3 0.098 -0.743 0.000
C4 0.000 0.599 0.000
C5 1.120 1.514 0.000
C6 0.985 2.845 0.000
H7 -2.061 -1.036 0.000
H8 1.060 -1.250 0.000
H9 -0.995 1.047 0.000
H10 2.116 1.074 0.000
H11 0.007 3.318 0.000
H12 1.846 3.505 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20931.46282.44863.81364.89961.11462.18102.63994.17215.03155.8839
O21.20932.36953.56654.84176.01082.01942.64083.84815.02086.21416.9507
C31.46282.36951.34582.47753.69632.17831.08772.09712.71544.06234.5940
C42.44863.56651.34581.44582.45262.63112.13141.09132.16822.71903.4429
C53.81364.84172.47751.44581.33814.07682.76442.16611.08862.12012.1198
C64.89966.01083.69632.45261.33814.93424.09582.67532.10111.08681.0848
H71.11462.01942.17832.63114.07684.93423.12812.33994.67944.82075.9910
H82.18102.64081.08772.13142.76444.09583.12813.08212.55254.68814.8198
H92.63993.84812.09711.09132.16612.67532.33993.08213.11112.48283.7575
H104.17215.02082.71542.16821.08862.10114.67942.55253.11113.07962.4462
H115.03156.21414.06232.71902.12011.08684.82074.68812.48283.07961.8488
H125.88396.95074.59403.44292.11981.08485.99104.81983.75752.44621.8488

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 121.285 C1 C3 H8 116.776
O2 C1 C3 124.666 O2 C1 H7 120.632
C3 C1 H7 114.702 C3 C4 C5 125.082
C3 C4 H9 118.367 C4 C3 H8 121.939
C4 C5 C6 123.473 C4 C5 H10 116.930
C5 C4 H9 116.551 C5 C6 H11 121.571
C5 C6 H12 121.715 C6 C5 H10 119.597
H11 C6 H12 116.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.103      
2 O -0.308      
3 C -0.266      
4 C -0.184      
5 C -0.186      
6 C -0.426      
7 H 0.156      
8 H 0.222      
9 H 0.216      
10 H 0.214      
11 H 0.226      
12 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.982 3.915 0.000 4.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.379 -3.055 0.000
y -3.055 -42.209 0.000
z 0.000 0.000 -38.165
Traceless
 xyz
x 7.808 -3.055 0.000
y -3.055 -6.937 0.000
z 0.000 0.000 -0.871
Polar
3z2-r2-1.741
x2-y29.830
xy-3.055
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.425 2.849 0.000
y 2.849 17.460 0.000
z 0.000 0.000 3.909


<r2> (average value of r2) Å2
<r2> 241.506
(<r2>)1/2 15.540