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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-195.088591
Energy at 298.15K-195.096006
Nuclear repulsion energy154.878378
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/cc-pVTZ
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 3147 3126 14.02      
2 A 3065 3044 1.86      
3 A 3058 3037 6.63      
4 A 2941 2921 18.94      
5 A 1663 1652 1.12      
6 A 1418 1408 7.28      
7 A 1397 1387 0.20      
8 A 1278 1270 0.19      
9 A 1219 1211 0.09      
10 A 1051 1044 1.78      
11 A 997 990 9.89      
12 A 908 902 35.12      
13 A 888 881 5.94      
14 A 665 660 10.58      
15 A 362 360 0.47      
16 A 292 290 0.12      
17 A 86 85 0.01      
18 A 3147 3126 17.86      
19 A 3065 3044 7.93      
20 A 3058 3037 27.01      
21 A 2983 2962 12.00      
22 A 1646 1635 30.78      
23 A 1400 1390 3.85      
24 A 1284 1275 0.63      
25 A 1253 1244 2.74      
26 A 1134 1126 3.89      
27 A 999 992 15.12      
28 A 946 940 3.11      
29 A 907 900 36.08      
30 A 866 860 10.68      
31 A 597 593 12.24      
32 A 440 437 3.23      
33 A 103 102 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24130.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 23964.2 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/cc-pVTZ
ABC
0.66447 0.07797 0.07740

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.664
C2 0.000 1.250 -0.177
C3 0.000 -1.250 -0.177
C4 0.964 2.173 -0.177
C5 -0.964 -2.173 -0.177
H6 -0.888 -0.010 1.318
H7 0.888 0.010 1.318
H8 -0.863 1.374 -0.839
H9 0.863 -1.374 -0.839
H10 0.912 3.057 -0.814
H11 -0.912 -3.057 -0.814
H12 1.843 2.080 0.466
H13 -1.843 -2.080 0.466

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50681.50682.52222.52221.10321.10322.21162.21163.51593.51592.78552.7855
C21.50682.50071.33503.55702.14792.13571.09502.84052.12184.44872.12063.8597
C31.50682.50073.55701.33502.13572.14792.84051.09504.44872.12183.85972.1206
C42.52221.33503.55704.75563.23072.63052.10213.60961.09065.59331.09275.1363
C52.52223.55701.33504.75562.63053.23073.60962.10215.59331.09065.13631.0927
H61.10322.14792.13573.23072.63051.77652.56323.09514.14693.71863.54282.4326
H71.10322.13572.14792.63053.23071.77653.09512.56323.71864.14692.43263.5428
H82.21161.09502.84052.10213.60962.56323.09513.24452.44674.43093.08623.8193
H92.21162.84051.09503.60962.10213.09512.56323.24454.43092.44673.81933.0862
H103.51592.12184.44871.09065.59334.14693.71862.44674.43096.38041.86045.9676
H113.51594.44872.12185.59331.09063.71864.14694.43092.44676.38045.96761.8604
H122.78552.12063.85971.09275.13633.54282.43263.08623.81931.86045.96765.5569
H132.78553.85972.12065.13631.09272.43263.54283.81933.08625.96761.86045.5569

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.018 C1 C2 H8 115.524
C1 C3 C5 125.018 C1 C3 H9 115.524
C2 C1 C3 112.159 C2 C1 H6 109.804
C2 C1 H7 108.847 C2 C4 H10 121.704
C2 C4 H12 121.408 C3 C1 H6 108.847
C3 C1 H7 109.804 C3 C5 H11 121.704
C3 C5 H13 121.408 C4 C2 H8 119.450
C5 C3 H9 119.450 H6 C1 H7 107.259
H10 C4 H12 116.888 H11 C5 H13 116.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 C -0.255      
3 C -0.082      
4 C -0.082      
5 C -0.110      
6 H 0.109      
7 H 0.109      
8 H 0.086      
9 H 0.086      
10 H 0.099      
11 H 0.099      
12 H 0.097      
13 H 0.097      


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 0.128 0.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.133 0.794 0.000
y 0.794 -32.400 0.000
z 0.000 0.000 -32.760
Traceless
 xyz
x 1.447 0.794 0.000
y 0.794 -0.453 0.000
z 0.000 0.000 -0.994
Polar
3z2-r2-1.988
x2-y21.267
xy0.794
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.138 2.985 0.000
y 2.985 11.806 0.000
z 0.000 0.000 6.988


<r2> (average value of r2) Å2
<r2> 159.331
(<r2>)1/2 12.623