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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-195.066103
Energy at 298.15K-195.073015
Nuclear repulsion energy151.546329
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 PBEPBE/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 3063 3036 14.44      
2 A 3036 3008 5.49      
3 A 3010 2983 21.04      
4 A 2958 2932 7.52      
5 A 1466 1453 3.49      
6 A 1434 1421 6.92      
7 A 1397 1385 0.26      
8 A 1351 1338 2.86      
9 A 1136 1125 0.17      
10 A 1054 1045 1.37      
11 A 1015 1006 0.00      
12 A 867 859 23.51      
13 A 806 798 0.00      
14 A 523 518 3.91      
15 A 285 282 1.15      
16 A 174 172 0.00      
17 A 132 131 2.03      
18 A 3064 3036 32.34      
19 A 3034 3006 5.94      
20 A 3010 2983 20.67      
21 A 2957 2930 74.22      
22 A 2012 1993 10.13      
23 A 1442 1429 10.38      
24 A 1433 1420 7.33      
25 A 1347 1335 3.70      
26 A 1263 1252 20.50      
27 A 1066 1057 1.80      
28 A 1011 1001 0.36      
29 A 940 932 18.54      
30 A 680 674 18.19      
31 A 553 548 13.30      
32 A 218 216 0.73      
33 A 155 153 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 23945.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 23727.8 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 PBEPBE/6-311G**
ABC
0.57654 0.07365 0.07125

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.412
C2 0.000 1.314 0.411
C3 0.000 -1.314 0.411
C4 -0.874 2.184 -0.459
C5 0.874 -2.184 -0.459
H6 0.684 1.834 1.096
H7 -0.684 -1.834 1.096
H8 -1.516 2.836 0.157
H9 -0.262 2.845 -1.096
H10 -1.520 1.578 -1.109
H11 1.516 -2.836 0.157
H12 0.262 -2.845 -1.096
H13 1.520 -1.578 -1.109

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.31381.31382.50812.50812.07312.07313.22603.23022.66683.22603.23022.6668
C21.31382.62771.50933.70861.09853.29292.16342.16422.16584.42564.43103.6030
C31.31382.62773.70861.50933.29291.09854.42564.43103.60302.16342.16422.1658
C42.50811.50933.70864.70422.22874.31181.10311.10301.09855.59385.19444.5057
C52.50813.70861.50934.70424.31182.22875.59385.19444.50571.10311.10301.0985
H62.07311.09853.29292.22874.31183.91432.59352.59243.12784.83555.18344.1468
H72.07313.29291.09854.31182.22873.91434.83555.18344.14682.59352.59243.1278
H83.22602.16344.42561.10315.59382.59354.83551.77201.78486.43196.08315.5046
H93.23022.16424.43101.10305.19442.59245.18341.77201.78526.08315.71354.7681
H102.66682.16583.60301.09854.50573.12784.14681.78481.78525.50464.76814.3816
H113.22604.42562.16345.59381.10314.83552.59356.43196.08315.50461.77201.7848
H123.23024.43102.16425.19441.10305.18342.59246.08315.71354.76811.77201.7852
H132.66683.60302.16584.50571.09854.14683.12785.50464.76814.38161.78481.7852

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.210 C1 C2 H6 118.226
C1 C3 C5 125.210 C1 C3 H7 118.226
C2 C1 C3 179.945 C2 C4 H8 110.859
C2 C4 H9 110.923 C2 C4 H10 111.330
C3 C5 H11 110.859 C3 C5 H12 110.923
C3 C5 H13 111.330 C4 C2 H6 116.563
C5 C3 H7 116.563 H8 C4 H9 106.875
H8 C4 H10 108.327 H9 C4 H10 108.368
H11 C5 H12 106.875 H11 C5 H13 108.327
H12 C5 H13 108.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.073      
2 C -0.228      
3 C -0.228      
4 C -0.321      
5 C -0.321      
6 H 0.124      
7 H 0.124      
8 H 0.131      
9 H 0.130      
10 H 0.128      
11 H 0.131      
12 H 0.130      
13 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.206 0.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.296 -0.238 0.000
y -0.238 -27.956 0.000
z 0.000 0.000 -32.472
Traceless
 xyz
x -2.082 -0.238 0.000
y -0.238 4.428 0.000
z 0.000 0.000 -2.346
Polar
3z2-r2-4.692
x2-y2-4.340
xy-0.238
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.734 -1.232 0.000
y -1.232 14.503 0.000
z 0.000 0.000 6.588


<r2> (average value of r2) Å2
<r2> 173.559
(<r2>)1/2 13.174