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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-195.401153
Energy at 298.15K-195.411260
Nuclear repulsion energy171.080541
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 B3PW91/3-21G*
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 3166 3037 52.82      
2 A 3146 3018 10.33      
3 A 3141 3013 28.83      
4 A 3134 3006 15.79      
5 A 3126 3000 15.74      
6 A 3108 2982 2.12      
7 A 3089 2964 18.42      
8 A 3054 2930 25.74      
9 A 3047 2923 20.48      
10 A 3042 2919 24.05      
11 A 1741 1670 0.88      
12 A 1565 1501 9.71      
13 A 1559 1495 9.04      
14 A 1555 1492 8.09      
15 A 1548 1486 8.24      
16 A 1536 1474 3.00      
17 A 1468 1408 8.66      
18 A 1457 1398 7.85      
19 A 1447 1388 3.33      
20 A 1363 1308 0.97      
21 A 1338 1283 1.01      
22 A 1317 1264 0.67      
23 A 1194 1146 2.76      
24 A 1119 1074 5.57      
25 A 1098 1054 0.01      
26 A 1079 1036 0.61      
27 A 1031 990 1.05      
28 A 1022 980 3.46      
29 A 946 907 13.95      
30 A 874 839 2.34      
31 A 814 781 5.34      
32 A 736 706 47.10      
33 A 583 559 8.49      
34 A 486 466 2.33      
35 A 314 301 0.04      
36 A 260 250 0.07      
37 A 224 214 0.02      
38 A 135 129 0.42      
39 A 59 56 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 30459.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29222.5 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 B3PW91/3-21G*
ABC
0.35785 0.08712 0.07957

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.154 -0.315 -0.430
H2 2.633 0.652 -0.626
H3 2.919 -1.010 -0.063
H4 1.755 -0.698 -1.376
C5 1.014 -0.154 0.603
H6 0.553 -1.129 0.795
H7 1.443 0.196 1.554
C8 -2.036 -0.693 -0.066
H9 -2.446 -0.980 -1.045
H10 -1.397 -1.507 0.288
H11 -2.886 -0.600 0.625
C12 -0.011 0.843 0.125
H13 0.374 1.855 -0.009
C14 -1.295 0.615 -0.169
H15 -1.896 1.453 -0.522

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09691.09661.09561.54662.17372.16814.22314.68883.81395.15672.51722.83813.58154.4198
H21.09691.77811.77572.18683.08502.52534.89115.35134.66215.79522.75522.63263.95424.5997
H31.09661.77811.78192.19192.51922.49914.96555.45454.35885.85953.47183.83244.51735.4275
H41.09561.77571.78192.18172.51843.07854.01164.22433.65525.05492.78323.20833.53314.3227
C51.54662.18682.19192.18171.09521.10033.16883.92032.78223.92471.50772.19562.55293.5092
H62.17373.08502.51922.51841.09521.76722.76363.52172.05023.48342.15783.09572.71773.7948
H72.16812.52532.49913.07851.10031.76723.93924.82273.54484.49752.13862.51733.26154.1272
C84.22314.89114.96554.01163.16882.76363.93921.09901.09351.09902.54873.50751.50672.1988
H94.68885.35135.45454.22433.92033.52174.82271.09901.77551.76803.25894.13082.15322.5494
H103.81394.66214.35883.65522.78222.05023.54481.09351.77551.77532.73243.81092.17233.1089
H115.15675.79525.85955.05493.92473.48344.49751.09901.76801.77533.25454.12902.15312.5517
C122.51722.75523.47182.78321.50772.15782.13862.54873.25892.73243.25451.09111.33642.0838
H132.83812.63263.83243.20832.19563.09572.51733.50754.13083.81094.12901.09112.08512.3609
C143.58153.95424.51733.53312.55292.71773.26151.50672.15322.17232.15311.33642.08511.0904
H154.41984.59975.42754.32273.50923.79484.12722.19882.54943.10892.55172.08382.36091.0904

picture of 2-Pentene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.545 C1 C5 H7 108.820
C1 C5 C12 110.999 H2 C1 H3 108.317
H2 C1 H4 108.171 H2 C1 C5 110.478
H3 C1 H4 108.750 H3 C1 C5 110.896
H4 C1 C5 110.153 C5 C12 H13 114.357
C5 C12 C14 127.584 H6 C5 H7 107.206
H6 C5 C12 110.994 H7 C5 C12 109.175
C8 C14 C12 127.278 C8 C14 H15 114.745
H9 C8 H10 108.157 H9 C8 H11 107.098
H9 C8 C14 110.466 H10 C8 H11 108.132
H10 C8 C14 112.345 H11 C8 C14 110.459
C12 C14 H15 117.976 H13 C12 C14 118.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.606      
2 H 0.208      
3 H 0.207      
4 H 0.218      
5 C -0.502      
6 H 0.220      
7 H 0.224      
8 C -0.675      
9 H 0.223      
10 H 0.220      
11 H 0.223      
12 C -0.167      
13 H 0.201      
14 C -0.197      
15 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.014 -0.203 -0.006 0.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.371 0.440 0.922
y 0.440 -32.058 -0.518
z 0.922 -0.518 -34.291
Traceless
 xyz
x 1.804 0.440 0.922
y 0.440 0.773 -0.518
z 0.922 -0.518 -2.577
Polar
3z2-r2-5.154
x2-y20.687
xy0.440
xz0.922
yz-0.518


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> 163.495
(<r2>)1/2 12.787