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All results from a given calculation for C5H8 (1,3-Pentadiene, (E)-)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-32.987192
Energy at 298.15K-32.994657
Nuclear repulsion energy82.641768
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 B3LYP/CEP-121G
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 3207 3125 35.15      
2 A 3112 3032 36.30      
3 A 3104 3025 59.73      
4 A 3096 3017 4.62      
5 A 3094 3015 12.46      
6 A 3071 2993 10.98      
7 A 2971 2895 58.48      
8 A 1692 1649 19.50      
9 A 1636 1595 9.05      
10 A 1514 1475 10.72      
11 A 1461 1424 3.55      
12 A 1436 1399 4.15      
13 A 1339 1305 2.89      
14 A 1321 1287 1.05      
15 A 1307 1273 0.89      
16 A 1210 1180 1.78      
17 A 1098 1070 0.69      
18 A 994 969 11.08      
19 A 909 886 5.58      
20 A 477 465 0.00      
21 A 449 438 0.42      
22 A 195 191 1.53      
23 A 3032 2955 39.94      
24 A 1504 1465 10.31      
25 A 1079 1051 0.47      
26 A 1052 1025 45.62      
27 A 994 969 24.50      
28 A 948 924 50.40      
29 A 862 840 9.32      
30 A 655 639 2.29      
31 A 259 253 2.74      
32 A 206 201 0.16      
33 A 141 137 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 24711.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 24081.4 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 B3LYP/CEP-121G
ABC
0.94107 0.06992 0.06589

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.384 1.041 0.000
C2 -1.459 0.043 0.000
C3 0.000 0.257 0.000
C4 0.917 -0.751 0.000
C5 2.422 -0.560 0.000
H6 -2.092 2.091 0.000
H7 -3.451 0.830 0.000
H8 -1.795 -0.997 0.000
H9 0.344 1.296 0.000
H10 0.559 -1.785 0.000
H11 2.692 0.504 0.000
H12 2.881 -1.030 0.883
H13 2.881 -1.030 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.36042.50963.75565.06541.09031.08782.12152.73964.08035.10475.72655.7265
C21.36041.47492.50513.92752.14342.14171.09332.19522.72334.17704.55774.5577
C32.50961.47491.36242.55582.78183.49842.19001.09382.11752.70353.27703.2770
C43.75562.50511.36241.51704.13834.64512.72302.12501.09452.17392.17212.1721
C55.06543.92752.55581.51705.23426.03514.23942.78582.22951.09731.10091.1009
H61.09032.14342.78184.13835.23421.85483.10272.56184.69605.04035.93725.9372
H71.08782.14173.49844.64516.03511.85482.46603.82334.78766.15226.65896.6589
H82.12151.09332.19002.72304.23943.10272.46603.13552.48264.73174.75934.7593
H92.73962.19521.09382.12502.78582.56183.82333.13553.08822.47863.55353.5535
H104.08032.72332.11751.09452.22954.69604.78762.48263.08823.12872.59692.5969
H115.10474.17702.70352.17391.09735.04036.15224.73172.47863.12871.77951.7795
H125.72654.55773.27702.17211.10095.93726.65894.75933.55352.59691.77951.7662
H135.72654.55773.27702.17211.10095.93726.65894.75933.55352.59691.77951.7662

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.486 C1 C2 H8 119.281
C2 C1 H6 121.605 C2 C1 H7 121.641
C2 C3 C4 123.945 C2 C3 H9 116.654
C3 C2 H8 116.233 C3 C4 C5 125.062
C3 C4 H10 118.643 C4 C3 H9 119.401
C4 C5 H11 111.501 C4 C5 H12 111.137
C4 C5 H13 111.137 C5 C4 H10 116.295
H6 C1 H7 116.755 H11 C5 H12 108.098
H11 C5 H13 108.098 H12 C5 H13 106.673
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.475      
2 C 0.097      
3 C -0.075      
4 C -0.057      
5 C -0.608      
6 H 0.130      
7 H 0.118      
8 H 0.124      
9 H 0.133      
10 H 0.133      
11 H 0.164      
12 H 0.159      
13 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.635 -0.316 0.000 0.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.842 -0.069 0.000
y -0.069 -29.607 0.000
z 0.000 0.000 -35.534
Traceless
 xyz
x 2.729 -0.069 0.000
y -0.069 3.081 0.000
z 0.000 0.000 -5.810
Polar
3z2-r2-11.619
x2-y2-0.235
xy-0.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.158 -3.715 0.000
y -3.715 9.822 0.000
z 0.000 0.000 4.935


<r2> (average value of r2) Å2
<r2> 144.609
(<r2>)1/2 12.025