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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-196.486789
Energy at 298.15K-196.496916
Nuclear repulsion energy170.902712
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 mPW1PW91/6-31G*
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' 3189 3024 29.74      
2 A' 3160 2996 27.22      
3 A' 3157 2994 32.74      
4 A' 3150 2988 12.60      
5 A' 3077 2918 21.12      
6 A' 3058 2900 37.58      
7 A' 3043 2886 35.07      
8 A' 1784 1692 0.16      
9 A' 1541 1462 5.38      
10 A' 1526 1447 9.59      
11 A' 1510 1432 2.22      
12 A' 1449 1374 7.74      
13 A' 1441 1367 0.57      
14 A' 1401 1328 9.16      
15 A' 1354 1284 0.83      
16 A' 1338 1269 0.03      
17 A' 1167 1106 1.28      
18 A' 1116 1058 5.56      
19 A' 1050 996 2.84      
20 A' 972 922 8.31      
21 A' 879 833 0.06      
22 A' 588 557 0.94      
23 A' 367 348 0.21      
24 A' 205 194 0.30      
25 A" 3153 2990 32.72      
26 A" 3115 2954 24.06      
27 A" 3069 2910 21.26      
28 A" 1532 1453 7.13      
29 A" 1512 1434 7.03      
30 A" 1310 1242 0.06      
31 A" 1120 1062 1.47      
32 A" 1080 1025 0.01      
33 A" 1023 970 27.80      
34 A" 837 794 3.27      
35 A" 717 680 0.58      
36 A" 305 289 1.94      
37 A" 228 216 0.22      
38 A" 203 192 2.49      
39 A" 127 121 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 30426.6 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 28853.6 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 mPW1PW91/6-31G*
ABC
0.44790 0.08228 0.07229

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.720 -1.233 0.000
C2 -0.976 -0.175 0.000
H3 -0.278 1.788 0.000
C4 0.000 0.733 0.000
H5 -2.939 -0.278 0.879
H6 -2.939 -0.278 -0.879
H7 -2.612 1.225 0.000
C8 -2.438 0.146 0.000
H9 1.923 0.966 -0.871
H10 1.923 0.966 0.871
C11 1.477 0.464 0.000
H12 2.972 -1.104 0.000
H13 1.500 -1.522 0.884
H14 1.500 -1.522 -0.884
C15 1.883 -1.003 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.08903.05362.09402.57072.57073.10202.20263.54693.54692.77683.69462.40712.40712.6134
C21.08902.08351.33312.15312.15312.15311.49653.23483.23482.53544.05602.95422.95422.9769
H33.05362.08351.09113.48193.48192.40132.71412.50532.50532.19834.34993.85973.85973.5299
C42.09401.33311.09113.23003.23002.65812.50802.12362.12361.50143.49352.84872.84872.5612
H52.57072.15313.48193.23001.75821.77161.09675.31475.01854.56366.03284.60984.93564.9549
H62.57072.15313.48193.23001.75821.77161.09675.01855.31474.56366.03284.93564.60984.9549
H73.10202.15312.40132.65811.77161.77161.09384.62504.62504.15956.05025.02355.02355.0172
C82.20261.49652.71412.50801.09671.09671.09384.52214.52213.92835.55244.36674.36674.4712
H93.54693.23482.50532.12365.31475.01854.62504.52211.74141.09932.47813.07382.52352.1535
H103.54693.23482.50532.12365.01855.31474.62504.52211.74141.09932.47812.52353.07382.1535
C112.77682.53542.19831.50144.56364.56364.15953.92831.09931.09932.16612.17422.17421.5226
H123.69464.05604.34993.49356.03286.03286.05025.55242.47812.47812.16611.76761.76761.0936
H132.40712.95423.85972.84874.60984.93565.02354.36673.07382.52352.17421.76761.76861.0944
H142.40712.95423.85972.84874.93564.60985.02354.36672.52353.07382.17421.76761.76861.0944
C152.61342.97693.52992.56124.95494.95495.01724.47122.15352.15351.52261.09361.09441.0944

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 119.318 H1 C2 C8 115.946
C2 C4 H3 118.166 C2 C4 C11 126.778
C2 C8 H5 111.324 C2 C8 H6 111.324
C2 C8 H7 111.504 H3 C4 C11 115.056
C4 C2 C8 124.736 C4 C11 H9 108.491
C4 C11 H10 108.491 C4 C11 C15 115.765
H5 C8 H6 106.558 H5 C8 H7 107.957
H6 C8 H7 107.957 H9 C11 H10 104.759
H9 C11 C15 109.382 H10 C11 C15 109.382
C11 C15 H12 110.710 C11 C15 H13 111.307
C11 C15 H14 111.307 H12 C15 H13 107.776
H12 C15 H14 107.776 H13 C15 H14 107.804
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.154      
2 C -0.124      
3 H 0.146      
4 C -0.135      
5 H 0.179      
6 H 0.179      
7 H 0.176      
8 C -0.564      
9 H 0.174      
10 H 0.174      
11 C -0.354      
12 H 0.172      
13 H 0.175      
14 H 0.175      
15 C -0.528      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.085 0.010 0.000 0.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.284 0.483 0.000
y 0.483 -31.789 0.000
z 0.000 0.000 -33.904
Traceless
 xyz
x 1.562 0.483 0.000
y 0.483 0.805 0.000
z 0.000 0.000 -2.367
Polar
3z2-r2-4.735
x2-y20.505
xy0.483
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> 170.944
(<r2>)1/2 13.075