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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-196.537317
Energy at 298.15K-196.547433
Nuclear repulsion energy171.194308
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 B3PW91/cc-pVTZ
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' 3144 3023 27.69      
2 A' 3115 2995 22.49      
3 A' 3109 2989 30.84      
4 A' 3105 2985 13.66      
5 A' 3037 2920 22.65      
6 A' 3020 2904 36.78      
7 A' 3005 2890 31.01      
8 A' 1746 1679 0.10      
9 A' 1500 1443 5.21      
10 A' 1485 1428 11.69      
11 A' 1468 1412 4.08      
12 A' 1410 1356 7.94      
13 A' 1404 1350 0.05      
14 A' 1374 1321 6.49      
15 A' 1335 1283 0.91      
16 A' 1315 1265 0.06      
17 A' 1147 1103 0.65      
18 A' 1096 1054 7.16      
19 A' 1033 993 2.34      
20 A' 955 919 9.43      
21 A' 862 829 0.01      
22 A' 584 561 0.79      
23 A' 363 349 0.27      
24 A' 199 192 0.35      
25 A" 3104 2985 30.73      
26 A" 3069 2951 19.98      
27 A" 3023 2907 15.96      
28 A" 1492 1435 7.61      
29 A" 1471 1415 6.61      
30 A" 1287 1238 0.23      
31 A" 1102 1060 1.79      
32 A" 1064 1023 0.55      
33 A" 1009 970 32.43      
34 A" 831 799 2.38      
35 A" 713 685 0.62      
36 A" 295 284 2.16      
37 A" 223 215 0.07      
38 A" 202 194 2.69      
39 A" 129 124 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 29911.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 28763.0 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 B3PW91/cc-pVTZ
ABC
0.45088 0.08238 0.07243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.724 -1.228 0.000
C2 -0.977 -0.170 0.000
H3 -0.274 1.784 0.000
C4 0.000 0.730 0.000
H5 -2.935 -0.269 0.877
H6 -2.935 -0.269 -0.877
H7 -2.606 1.231 0.000
C8 -2.435 0.153 0.000
H9 1.917 0.961 -0.868
H10 1.917 0.961 0.868
C11 1.474 0.458 0.000
H12 2.970 -1.102 0.000
H13 1.504 -1.527 0.882
H14 1.504 -1.527 -0.882
C15 1.883 -1.006 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.08703.04482.08672.56472.56473.09632.19913.53823.53822.76943.69582.41452.41452.6161
C21.08702.07691.32842.14802.14802.14891.49383.22643.22642.52994.05532.96172.96172.9795
H33.04482.07691.08923.47403.47402.39692.70752.49582.49582.19344.34173.85963.85963.5264
C42.08671.32841.08923.22233.22232.65392.50262.11702.11701.49843.48932.85132.85132.5608
H52.56472.14803.47403.22231.75341.76861.09435.30145.00614.55386.02784.61394.93774.9526
H62.56472.14803.47403.22231.75341.76861.09435.00615.30144.55386.02784.93774.61394.9526
H73.09632.14892.39692.65391.76861.76861.09114.61354.61354.15236.04445.02735.02735.0155
C82.19911.49382.70752.50261.09431.09431.09114.51104.51103.92085.54914.37234.37234.4712
H93.53823.22642.49582.11705.30145.00614.61354.51101.73591.09692.47393.06972.52212.1507
H103.53823.22642.49582.11705.00615.30144.61354.51101.73591.09692.47392.52213.06972.1507
C112.76942.52992.19341.49844.55384.55384.15233.92081.09691.09692.16172.17202.17201.5203
H123.69584.05534.34173.48936.02786.02786.04445.54912.47392.47392.16171.76271.76271.0912
H132.41452.96173.85962.85134.61394.93775.02734.37233.06972.52212.17201.76271.76401.0920
H142.41452.96173.85962.85134.93774.61395.02734.37232.52213.06972.17201.76271.76401.0920
C152.61612.97953.52642.56084.95264.95265.01554.47122.15072.15071.52031.09121.09201.0920

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 119.182 H1 C2 C8 115.986
C2 C4 H3 118.090 C2 C4 C11 126.908
C2 C8 H5 111.251 C2 C8 H6 111.251
C2 C8 H7 111.522 H3 C4 C11 115.002
C4 C2 C8 124.832 C4 C11 H9 108.321
C4 C11 H10 108.321 C4 C11 C15 116.060
H5 C8 H6 106.491 H5 C8 H7 108.057
H6 C8 H7 108.057 H9 C11 H10 104.599
H9 C11 C15 109.460 H10 C11 C15 109.460
C11 C15 H12 110.668 C11 C15 H13 111.442
C11 C15 H14 111.442 H12 C15 H13 107.687
H12 C15 H14 107.687 H13 C15 H14 107.742
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.106 0.000    
2 C -0.135 0.000    
3 H 0.100 0.000    
4 C -0.135 0.000    
5 H 0.091 0.000    
6 H 0.091 0.000    
7 H 0.086 0.000    
8 C -0.247 0.000    
9 H 0.085 0.000    
10 H 0.085 0.000    
11 C -0.109 0.000    
12 H 0.093 0.000    
13 H 0.094 0.000    
14 H 0.094 0.000    
15 C -0.297 0.000    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.100 0.021 0.000 0.102
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.839 0.526 0.000
y 0.526 -32.401 0.000
z 0.000 0.000 -34.330
Traceless
 xyz
x 1.527 0.526 0.000
y 0.526 0.684 0.000
z 0.000 0.000 -2.211
Polar
3z2-r2-4.421
x2-y20.562
xy0.526
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> 170.966
(<r2>)1/2 13.075