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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-195.038246
Energy at 298.15K-195.045590
HF Energy-195.038246
Nuclear repulsion energy156.711149
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 PBE1PBE/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 3168 3010 5.81      
2 A 3165 3008 10.80      
3 A 3160 3003 27.13      
4 A 3079 2926 18.61      
5 A 3049 2897 35.36      
6 A 2100 1996 28.80      
7 A 1530 1454 6.02      
8 A 1515 1440 0.27      
9 A 1500 1426 3.44      
10 A 1441 1369 5.69      
11 A 1390 1321 14.10      
12 A 1370 1302 2.09      
13 A 1173 1114 1.98      
14 A 1108 1053 2.91      
15 A 1014 963 0.82      
16 A 879 835 35.16      
17 A 872 829 26.83      
18 A 646 614 1.80      
19 A 366 348 2.79      
20 A 153 145 0.22      
21 A 3242 3081 3.90      
22 A 3159 3002 26.14      
23 A 3079 2926 18.17      
24 A 1522 1446 8.01      
25 A 1300 1236 0.02      
26 A 1113 1058 2.30      
27 A 1034 983 0.00      
28 A 911 866 13.98      
29 A 798 758 3.84      
30 A 530 503 4.74      
31 A 348 331 5.73      
32 A 254 241 0.07      
33 A 103 98 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 25034.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 23790.0 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 PBE1PBE/6-31G*
ABC
0.34153 0.10696 0.08545

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.396 0.446 0.000
C2 -1.457 -1.074 0.000
C3 0.000 1.015 0.000
C4 1.106 0.317 0.000
C5 2.213 -0.376 0.000
H6 -1.931 0.844 0.874
H7 -1.931 0.844 -0.874
H8 -0.958 -1.488 -0.883
H9 -2.495 -1.422 0.000
H10 -0.958 -1.488 0.883
H11 0.082 2.104 0.000
H12 2.697 -0.678 -0.927
H13 2.697 -0.678 0.927

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52101.50732.50483.70151.09961.09962.16982.16712.16982.22054.34454.3445
C21.52102.54722.91613.73642.16012.16011.09501.09471.09503.53064.27534.2753
C31.50732.54721.30802.61452.12662.12662.82153.48772.82151.09153.31683.3168
C42.50482.91611.30801.30653.20393.20392.88023.99882.88022.05972.09322.0932
C53.70153.73642.61451.30654.40794.40793.47484.82343.47483.27031.08851.0885
H61.09962.16012.12663.20394.40791.74833.07682.49272.52592.53035.19444.8723
H71.09962.16012.12663.20394.40791.74832.52592.49273.07682.53034.87235.1944
H82.16981.09502.82152.88023.47483.07682.52591.77371.76553.84143.74474.1589
H92.16711.09473.48773.99884.82342.49272.49271.77371.77374.36665.32715.3271
H102.16981.09502.82152.88023.47482.52593.07681.76551.77373.84144.15893.7447
H112.22053.53061.09152.05973.27032.53032.53033.84144.36663.84143.92903.9290
H124.34454.27533.31682.09321.08855.19444.87233.74475.32714.15893.92901.8545
H134.34454.27533.31682.09321.08854.87235.19444.15895.32713.74473.92901.8545

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.028 C1 C2 H9 110.834
C1 C2 H10 111.028 C1 C3 C4 125.533
C1 C3 H11 116.479 C2 C1 C3 114.516
C2 C1 H6 109.987 C2 C1 H7 109.987
C3 C1 H6 108.310 C3 C1 H7 108.310
C3 C4 C5 179.764 C4 C3 H11 117.987
C4 C5 H12 121.581 C4 C5 H13 121.581
H6 C1 H7 105.306 H8 C2 H9 108.188
H8 C2 H10 107.440 H9 C2 H10 108.188
H12 C5 H13 116.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.342      
2 C -0.526      
3 C -0.334      
4 C 0.322      
5 C -0.580      
6 H 0.180      
7 H 0.180      
8 H 0.181      
9 H 0.171      
10 H 0.181      
11 H 0.185      
12 H 0.190      
13 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.412 0.057 0.000 0.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.594 -1.752 0.000
y -1.752 -31.045 0.000
z 0.000 0.000 -31.440
Traceless
 xyz
x 1.649 -1.752 0.000
y -1.752 -0.528 0.000
z 0.000 0.000 -1.121
Polar
3z2-r2-2.242
x2-y21.451
xy-1.752
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.030 -2.218 0.000
y -2.218 7.037 0.000
z 0.000 0.000 5.436


<r2> (average value of r2) Å2
<r2> 144.180
(<r2>)1/2 12.007