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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-194.126257
Energy at 298.15K-194.133746
Nuclear repulsion energy153.622498
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 B1B95/3-21G
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 3261 3120 13.50      
2 A 3177 3039 12.94      
3 A 3172 3035 33.67      
4 A 3165 3028 3.06      
5 A 3157 3021 1.20      
6 A 3139 3004 5.08      
7 A 3051 2919 23.85      
8 A 1737 1662 10.58      
9 A 1692 1619 4.68      
10 A 1550 1483 11.54      
11 A 1498 1434 5.27      
12 A 1459 1395 5.63      
13 A 1375 1316 2.78      
14 A 1357 1298 0.38      
15 A 1340 1282 0.75      
16 A 1229 1176 1.91      
17 A 1112 1064 2.86      
18 A 1015 971 10.49      
19 A 929 889 6.90      
20 A 497 475 0.00      
21 A 464 444 0.23      
22 A 200 191 1.39      
23 A 3102 2968 16.90      
24 A 1541 1474 10.78      
25 A 1100 1052 2.02      
26 A 1060 1014 49.23      
27 A 999 956 26.79      
28 A 956 914 44.04      
29 A 867 829 11.56      
30 A 652 624 2.59      
31 A 257 246 3.35      
32 A 208 199 0.08      
33 A 136 130 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 25227.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 24135.2 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 B1B95/3-21G
ABC
0.94955 0.07231 0.06804

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.408 0.779 0.000
C2 -1.410 -0.111 0.000
C3 0.000 0.247 0.000
C4 0.997 -0.646 0.000
C5 2.454 -0.291 0.000
H6 -2.211 1.846 0.000
H7 -3.447 0.474 0.000
H8 -1.637 -1.175 0.000
H9 0.234 1.310 0.000
H10 0.755 -1.707 0.000
H11 2.593 0.793 0.000
H12 2.958 -0.704 0.882
H13 2.958 -0.704 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33632.46593.69064.97871.08531.08292.10002.69454.02275.00115.63635.6363
C21.33631.45502.46593.86902.11392.11901.08772.17282.69034.10434.49584.4958
C32.46591.45501.33812.51282.72853.45462.16781.08832.09492.65003.22993.2299
C43.69062.46591.33811.50014.06174.58282.68592.09931.08862.14912.15122.1512
C54.97873.86902.51281.50015.13165.95104.18522.73792.21191.09321.09661.0966
H61.08532.11392.72854.06175.13161.84663.07462.50264.62824.91825.83085.8308
H71.08292.11903.45464.58285.95101.84662.44873.77454.73446.04876.57196.5719
H82.10001.08772.16782.68594.18523.07462.44873.10982.45014.66494.70194.7019
H92.69452.17281.08832.09932.73792.50263.77453.10983.06182.41553.50103.5010
H104.02272.69032.09491.08862.21194.62824.73442.45013.06183.10312.57622.5762
H115.00114.10432.65002.14911.09324.91826.04874.66492.41553.10311.77571.7757
H125.63634.49583.22992.15121.09665.83086.57194.70193.50102.57621.77571.7647
H135.63634.49583.22992.15121.09665.83086.57194.70193.50102.57621.77571.7647

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 124.057 C1 C2 H8 119.715
C2 C1 H6 121.259 C2 C1 H7 121.953
C2 C3 C4 123.921 C2 C3 H9 116.627
C3 C2 H8 116.228 C3 C4 C5 124.487
C3 C4 H10 119.017 C4 C3 H9 119.452
C4 C5 H11 110.956 C4 C5 H12 110.923
C4 C5 H13 110.923 C5 C4 H10 116.496
H6 C1 H7 116.788 H11 C5 H12 108.377
H11 C5 H13 108.377 H12 C5 H13 107.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.408      
2 C -0.216      
3 C -0.205      
4 C -0.191      
5 C -0.650      
6 H 0.199      
7 H 0.204      
8 H 0.205      
9 H 0.199      
10 H 0.202      
11 H 0.215      
12 H 0.223      
13 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.536 -0.180 0.000 0.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.507 -0.250 0.000
y -0.250 -28.774 0.000
z 0.000 0.000 -34.997
Traceless
 xyz
x 3.379 -0.250 0.000
y -0.250 2.978 0.000
z 0.000 0.000 -6.357
Polar
3z2-r2-12.714
x2-y20.267
xy-0.250
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.867 -2.662 0.000
y -2.662 7.781 0.000
z 0.000 0.000 3.177


<r2> (average value of r2) Å2
<r2> 172.244
(<r2>)1/2 13.124