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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-194.131017
Energy at 298.15K-194.138361
Nuclear repulsion energy152.059663
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 BLYP/3-21G*
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 3159 3138 18.80      
2 A 3077 3057 5.77      
3 A 3071 3051 56.27      
4 A 3060 3040 2.23      
5 A 3052 3032 1.09      
6 A 3033 3013 7.66      
7 A 2951 2932 32.59      
8 A 1647 1636 9.54      
9 A 1619 1608 4.63      
10 A 1520 1510 9.30      
11 A 1466 1456 2.93      
12 A 1424 1415 2.63      
13 A 1341 1332 2.62      
14 A 1324 1315 1.08      
15 A 1313 1305 0.96      
16 A 1193 1185 1.39      
17 A 1075 1068 3.75      
18 A 980 974 7.41      
19 A 902 896 7.11      
20 A 481 478 0.00      
21 A 455 453 0.26      
22 A 197 196 1.33      
23 A 2985 2965 24.04      
24 A 1511 1502 7.66      
25 A 1066 1059 1.77      
26 A 1024 1017 42.65      
27 A 957 951 10.31      
28 A 896 890 41.49      
29 A 823 818 9.36      
30 A 630 626 1.64      
31 A 252 250 2.44      
32 A 202 201 0.14      
33 A 135 134 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 24409.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 24250.4 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 BLYP/3-21G*
ABC
0.93690 0.07065 0.06652

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.427 0.818 0.000
C2 -1.425 -0.090 0.000
C3 0.000 0.248 0.000
C4 1.001 -0.665 0.000
C5 2.479 -0.327 0.000
H6 -2.222 1.892 0.000
H7 -3.476 0.519 0.000
H8 -1.668 -1.160 0.000
H9 0.249 1.316 0.000
H10 0.748 -1.732 0.000
H11 2.636 0.764 0.000
H12 2.982 -0.752 0.889
H13 2.982 -0.752 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35192.49263.73395.03751.09361.09132.11782.72194.07185.06315.70135.7013
C21.35191.46462.49263.91142.13652.13971.09652.18662.72354.15024.54414.5441
C32.49261.46461.35402.54492.76433.48672.18231.09692.11652.68633.26823.2682
C43.73392.49261.35401.51684.11354.63052.71402.11811.09712.17172.17352.1735
C55.03753.91142.54491.51685.19846.01514.23002.76942.23001.10191.10621.1062
H61.09362.13652.76434.11355.19841.85973.10152.53774.68574.98755.90435.9043
H71.09132.13973.48674.63056.01511.85972.46713.80994.78656.11736.64176.6417
H82.11781.09652.18232.71404.23003.10152.46713.13112.48284.71454.75174.7517
H92.72192.18661.09692.11812.76942.53773.80993.13113.08862.44993.54003.5400
H104.07182.72352.11651.09712.23004.68574.78652.48283.08863.12992.59662.5966
H115.06314.15022.68632.17171.10194.98756.11734.71452.44993.12991.79081.7908
H125.70134.54413.26822.17351.10625.90436.64174.75173.54002.59661.79081.7780
H135.70134.54413.26822.17351.10625.90436.64174.75173.54002.59661.79081.7780

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 124.460 C1 C2 H8 119.396
C2 C1 H6 121.416 C2 C1 H7 121.913
C2 C3 C4 124.297 C2 C3 H9 116.486
C3 C2 H8 116.144 C3 C4 C5 124.768
C3 C4 H10 119.050 C4 C3 H9 119.217
C4 C5 H11 111.068 C4 C5 H12 110.945
C4 C5 H13 110.945 C5 C4 H10 116.182
H6 C1 H7 116.671 H11 C5 H12 108.390
H11 C5 H13 108.390 H12 C5 H13 106.959
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.351      
2 C -0.162      
3 C -0.160      
4 C -0.141      
5 C -0.568      
6 H 0.165      
7 H 0.169      
8 H 0.161      
9 H 0.156      
10 H 0.161      
11 H 0.186      
12 H 0.192      
13 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.555 -0.189 0.000 0.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.975 -0.216 0.000
y -0.216 -29.286 0.000
z 0.000 0.000 -34.899
Traceless
 xyz
x 3.118 -0.216 0.000
y -0.216 2.650 0.000
z 0.000 0.000 -5.768
Polar
3z2-r2-11.536
x2-y20.312
xy-0.216
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 175.890
(<r2>)1/2 13.262