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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-196.246577
Energy at 298.15K-196.256557
Nuclear repulsion energy169.715771
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3085 3034 34.51      
2 A' 3064 3014 31.05      
3 A' 3056 3005 30.56      
4 A' 3054 3003 8.73      
5 A' 2986 2937 21.44      
6 A' 2963 2914 39.32      
7 A' 2942 2894 35.43      
8 A' 1710 1682 0.21      
9 A' 1491 1466 5.41      
10 A' 1475 1451 9.02      
11 A' 1457 1432 2.35      
12 A' 1393 1370 5.62      
13 A' 1387 1364 1.43      
14 A' 1346 1324 11.41      
15 A' 1307 1286 0.92      
16 A' 1289 1268 0.13      
17 A' 1127 1109 1.04      
18 A' 1081 1063 6.45      
19 A' 1014 997 2.71      
20 A' 942 927 8.91      
21 A' 851 837 0.08      
22 A' 570 560 1.12      
23 A' 357 351 0.23      
24 A' 200 197 0.31      
25 A" 3058 3007 31.49      
26 A" 3014 2965 23.79      
27 A" 2964 2915 21.57      
28 A" 1480 1455 6.59      
29 A" 1461 1437 6.45      
30 A" 1262 1241 0.04      
31 A" 1078 1060 1.01      
32 A" 1035 1018 0.09      
33 A" 980 964 24.04      
34 A" 804 791 3.60      
35 A" 688 677 0.48      
36 A" 296 291 2.00      
37 A" 226 222 0.02      
38 A" 197 193 2.68      
39 A" 131 129 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 29409.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 28924.0 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 PBEPBEultrafine/6-31G*
ABC
0.44164 0.08121 0.07135

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.724 -1.246 0.000
C2 -0.984 -0.178 0.000
H3 -0.283 1.802 0.000
C4 0.000 0.738 0.000
H5 -2.960 -0.288 0.886
H6 -2.960 -0.288 -0.886
H7 -2.632 1.229 0.000
C8 -2.453 0.140 0.000
H9 1.935 0.979 -0.877
H10 1.935 0.979 0.877
C11 1.485 0.470 0.000
H12 2.996 -1.103 0.000
H13 1.512 -1.529 0.891
H14 1.512 -1.529 -0.891
C15 1.898 -1.004 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09893.08002.11192.58922.58923.12512.21623.57603.57602.79673.72282.42332.42332.6327
C21.09892.10131.34502.16812.16812.16691.50293.26053.26052.55274.08682.97492.97492.9983
H33.08002.10131.10113.51063.51062.41862.73392.52292.52292.21324.38133.88753.88753.5542
C42.11191.34501.10113.25603.25602.67772.52522.13802.13801.50853.51692.86712.86712.5764
H52.58922.16813.51063.25601.77121.78691.10675.35505.05654.59536.07714.64124.96974.9900
H62.58922.16813.51063.25601.77121.78691.10675.05655.35504.59536.07714.96974.64124.9900
H73.12512.16692.41862.67771.78691.78691.10344.65734.65734.18626.09265.05715.05715.0507
C82.21621.50292.73392.52521.10671.10671.10344.55294.55293.95165.58964.39344.39344.4991
H93.57603.26052.52292.13805.35505.05654.65734.55291.75461.10962.49663.09792.54352.1690
H103.57603.26052.52292.13805.05655.35504.65734.55291.75461.10962.49662.54353.09792.1690
C112.79672.55272.21321.50854.59534.59534.18623.95161.10961.10962.18212.18902.18901.5313
H123.72284.08684.38133.51696.07716.07716.09265.58962.49662.49662.18211.78301.78301.1029
H132.42332.97493.88752.86714.64124.96975.05714.39343.09792.54352.18901.78301.78261.1039
H142.42332.97493.88752.86714.96974.64125.05714.39342.54353.09792.18901.78301.78261.1039
C152.63272.99833.55422.57644.99004.99005.05074.49912.16902.16901.53131.10291.10391.1039

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 119.231 H1 C2 C8 115.948
C2 C4 H3 118.069 C2 C4 C11 126.816
C2 C8 H5 111.464 C2 C8 H6 111.464
C2 C8 H7 111.568 H3 C4 C11 115.115
C4 C2 C8 124.821 C4 C11 H9 108.531
C4 C11 H10 108.531 C4 C11 C15 115.890
H5 C8 H6 106.299 H5 C8 H7 107.902
H6 C8 H7 107.902 H9 C11 H10 104.488
H9 C11 C15 109.394 H10 C11 C15 109.394
C11 C15 H12 110.816 C11 C15 H13 111.302
C11 C15 H14 111.302 H12 C15 H13 107.788
H12 C15 H14 107.788 H13 C15 H14 107.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.127      
2 C -0.090      
3 H 0.120      
4 C -0.103      
5 H 0.166      
6 H 0.166      
7 H 0.163      
8 C -0.534      
9 H 0.159      
10 H 0.159      
11 C -0.326      
12 H 0.157      
13 H 0.163      
14 H 0.163      
15 C -0.490      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.093 0.002 0.000 0.093
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.376 0.485 0.000
y 0.485 -32.046 0.000
z 0.000 0.000 -34.013
Traceless
 xyz
x 1.653 0.485 0.000
y 0.485 0.649 0.000
z 0.000 0.000 -2.302
Polar
3z2-r2-4.604
x2-y20.670
xy0.485
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.845 0.622 0.000
y 0.622 8.013 0.000
z 0.000 0.000 5.824


<r2> (average value of r2) Å2
<r2> 173.081
(<r2>)1/2 13.156