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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-194.246902
Energy at 298.15K-194.254378
Nuclear repulsion energy153.144317
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/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 3240 3117 15.84      
2 A 3158 3038 5.15      
3 A 3155 3036 44.32      
4 A 3144 3025 3.24      
5 A 3138 3019 1.65      
6 A 3113 2995 7.78      
7 A 3032 2916 28.15      
8 A 1719 1654 10.05      
9 A 1681 1617 4.67      
10 A 1556 1497 9.87      
11 A 1505 1447 3.87      
12 A 1465 1409 3.62      
13 A 1379 1327 2.55      
14 A 1362 1310 0.59      
15 A 1349 1297 0.80      
16 A 1227 1180 1.66      
17 A 1107 1065 3.85      
18 A 1009 971 7.79      
19 A 928 893 6.48      
20 A 496 477 0.00      
21 A 469 451 0.30      
22 A 203 195 1.40      
23 A 3071 2954 20.90      
24 A 1548 1489 9.03      
25 A 1103 1061 1.43      
26 A 1060 1019 44.34      
27 A 998 960 19.89      
28 A 950 914 43.06      
29 A 863 830 10.07      
30 A 652 627 2.20      
31 A 257 247 2.90      
32 A 206 198 0.09      
33 A 135 130 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 25137.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 24182.6 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/3-21G*
ABC
0.94940 0.07169 0.06749

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.417 0.784 0.000
C2 -1.416 -0.107 0.000
C3 0.000 0.247 0.000
C4 0.999 -0.647 0.000
C5 2.465 -0.297 0.000
H6 -2.225 1.853 0.000
H7 -3.457 0.477 0.000
H8 -1.644 -1.171 0.000
H9 0.234 1.311 0.000
H10 0.759 -1.710 0.000
H11 2.611 0.788 0.000
H12 2.968 -0.714 0.883
H13 2.968 -0.714 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33952.47593.70405.00061.08641.08422.10222.70324.03795.02835.65865.6586
C21.33951.45992.47543.88622.11992.12251.08892.17582.70224.12564.51324.5132
C32.47591.45991.34122.52472.74393.46472.17171.08932.09932.66653.24223.2422
C43.70402.47541.34121.50714.08014.59602.69512.10261.08972.15802.15862.1586
C55.00063.88622.52471.50715.15975.97264.20142.75052.21531.09471.09841.0984
H61.08642.11992.74394.08015.15971.84683.07952.51814.64734.95225.85955.8595
H71.08422.12253.46474.59605.97261.84682.45023.78424.74946.07626.59376.5937
H82.10221.08892.17172.69514.20143.07952.45023.11312.46274.68474.71814.7181
H92.70322.17581.08932.10262.75052.51813.78423.11313.06642.43413.51493.5149
H104.03792.70222.09931.08972.21534.64734.74942.46273.06643.10952.57912.5791
H115.02834.12562.66652.15801.09474.95226.07624.68472.43413.10951.77831.7783
H125.65864.51323.24222.15861.09845.85956.59374.71813.51492.57911.77831.7669
H135.65864.51323.24222.15861.09845.85956.59374.71813.51492.57911.77831.7669

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 124.313 C1 C2 H8 119.569
C2 C1 H6 121.471 C2 C1 H7 121.917
C2 C3 C4 124.133 C2 C3 H9 116.439
C3 C2 H8 116.118 C3 C4 C5 124.741
C3 C4 H10 119.085 C4 C3 H9 119.427
C4 C5 H11 111.089 C4 C5 H12 110.912
C4 C5 H13 110.912 C5 C4 H10 116.174
H6 C1 H7 116.612 H11 C5 H12 108.353
H11 C5 H13 108.353 H12 C5 H13 107.081
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.378      
2 C -0.186      
3 C -0.182      
4 C -0.163      
5 C -0.602      
6 H 0.181      
7 H 0.185      
8 H 0.182      
9 H 0.177      
10 H 0.180      
11 H 0.198      
12 H 0.204      
13 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.529 -0.183 0.000 0.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.903 -0.227 0.000
y -0.227 -29.090 0.000
z 0.000 0.000 -34.973
Traceless
 xyz
x 3.129 -0.227 0.000
y -0.227 2.848 0.000
z 0.000 0.000 -5.976
Polar
3z2-r2-11.953
x2-y20.187
xy-0.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.977 -2.709 0.000
y -2.709 7.810 0.000
z 0.000 0.000 3.173


<r2> (average value of r2) Å2
<r2> 173.611
(<r2>)1/2 13.176