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All results from a given calculation for C5H10 (2-Pentene, (E)-)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-195.409941
Energy at 298.15K-195.420184
HF Energy-195.409941
Nuclear repulsion energy170.615863
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 wB97X-D/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' 3200 3033 19.70      
2 A' 3167 3002 17.29      
3 A' 3159 2994 27.07      
4 A' 3152 2988 10.96      
5 A' 3085 2923 14.70      
6 A' 3070 2910 25.61      
7 A' 3068 2908 21.39      
8 A' 1782 1689 0.10      
9 A' 1580 1498 8.64      
10 A' 1567 1485 13.86      
11 A' 1547 1467 5.26      
12 A' 1478 1401 7.04      
13 A' 1472 1395 12.14      
14 A' 1425 1350 3.15      
15 A' 1394 1321 0.68      
16 A' 1365 1294 1.84      
17 A' 1176 1115 3.35      
18 A' 1099 1042 5.32      
19 A' 1083 1026 1.48      
20 A' 979 928 10.65      
21 A' 873 827 0.03      
22 A' 601 569 1.31      
23 A' 388 368 0.25      
24 A' 229 217 0.36      
25 A" 3160 2995 27.30      
26 A" 3126 2963 19.12      
27 A" 3096 2934 12.50      
28 A" 1573 1491 9.66      
29 A" 1553 1472 10.65      
30 A" 1349 1279 0.01      
31 A" 1154 1093 1.45      
32 A" 1119 1061 0.90      
33 A" 1027 974 41.92      
34 A" 873 827 6.49      
35 A" 741 703 0.94      
36 A" 313 296 2.15      
37 A" 229 217 2.20      
38 A" 194 184 1.67      
39 A" 117 111 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 30780.3 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 29173.5 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 wB97X-D/3-21G*
ABC
0.44036 0.08254 0.07233

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.710 -1.229 0.000
C2 -0.966 -0.172 0.000
H3 -0.278 1.795 0.000
C4 0.000 0.741 0.000
H5 -2.931 -0.273 0.883
H6 -2.931 -0.273 -0.883
H7 -2.605 1.233 0.000
C8 -2.438 0.151 0.000
H9 1.931 0.957 -0.878
H10 1.931 0.957 0.878
C11 1.485 0.467 0.000
H12 2.956 -1.136 0.000
H13 1.471 -1.523 0.888
H14 1.471 -1.523 -0.888
C15 1.868 -1.019 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.08743.05432.09412.57432.57433.10702.21103.53913.53912.77473.66782.37302.37302.5867
C21.08742.08341.32922.15692.15692.15921.50663.23063.23062.53344.03892.92392.92392.9577
H33.05432.08341.08973.47733.47732.39402.71342.52012.52012.20734.36453.85373.85373.5387
C42.09411.32921.08973.22483.22482.65162.50792.13182.13181.51043.50162.84172.84172.5664
H52.57432.15693.47733.22481.76691.77591.09725.31525.01504.56446.01564.57584.90674.9364
H62.57432.15693.47733.22481.76691.77591.09725.01505.31524.56446.01564.90674.57584.9364
H73.10702.15922.39402.65161.77591.77591.09484.62864.62864.16196.04524.99974.99975.0083
C82.21101.50662.71342.50791.09721.09721.09484.52784.52783.93565.54524.34324.34324.4616
H93.53913.23062.52012.13185.31525.01504.62864.52781.75551.09942.49053.07882.52222.1634
H103.53913.23062.52012.13185.01505.31524.62864.52781.75551.09942.49052.52223.07882.1634
C112.77472.53342.20731.51044.56444.56444.16193.93561.09941.09942.17562.17912.17911.5348
H123.66784.03894.36453.50166.01566.01566.04525.54522.49052.49052.17561.77351.77351.0947
H132.37302.92393.85372.84174.57584.90674.99974.34323.07882.52222.17911.77351.77571.0953
H142.37302.92393.85372.84174.90674.57584.99974.34322.52223.07882.17911.77351.77571.0953
C152.58672.95773.53872.56644.93644.93645.00834.46162.16342.16341.53481.09471.09531.0953

picture of 2-Pentene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 119.786 H1 C2 C8 115.992
C2 C4 H3 118.590 C2 C4 C11 126.176
C2 C8 H5 110.886 C2 C8 H6 110.886
C2 C8 H7 111.218 H3 C4 C11 115.234
C4 C2 C8 124.222 C4 C11 H9 108.517
C4 C11 H10 108.517 C4 C11 C15 114.868
H5 C8 H6 107.257 H5 C8 H7 108.224
H6 C8 H7 108.224 H9 C11 H10 105.949
H9 C11 C15 109.306 H10 C11 C15 109.306
C11 C15 H12 110.544 C11 C15 H13 110.787
C11 C15 H14 110.787 H12 C15 H13 108.158
H12 C15 H14 108.158 H13 C15 H14 108.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.203      
2 C -0.206      
3 H 0.197      
4 C -0.174      
5 H 0.218      
6 H 0.218      
7 H 0.213      
8 C -0.654      
9 H 0.221      
10 H 0.221      
11 C -0.472      
12 H 0.209      
13 H 0.210      
14 H 0.210      
15 C -0.614      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.066 -0.001 0.000 0.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.192 0.423 0.000
y 0.423 -31.750 0.000
z 0.000 0.000 -34.422
Traceless
 xyz
x 1.894 0.423 0.000
y 0.423 1.057 0.000
z 0.000 0.000 -2.950
Polar
3z2-r2-5.901
x2-y20.558
xy0.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.594 0.711 0.000
y 0.711 7.357 0.000
z 0.000 0.000 5.247


<r2> (average value of r2) Å2
<r2> 170.879
(<r2>)1/2 13.072