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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-196.465317
Energy at 298.15K-196.475343
Nuclear repulsion energy170.927565
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 B3PW91/6-31G*
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 3166 3029 63.78      
2 A 3149 3012 10.16      
3 A 3139 3003 39.57      
4 A 3136 3001 20.44      
5 A 3130 2994 24.71      
6 A 3100 2966 7.29      
7 A 3095 2961 22.91      
8 A 3055 2923 33.31      
9 A 3044 2912 30.38      
10 A 3034 2902 31.27      
11 A 1759 1683 2.14      
12 A 1532 1466 6.36      
13 A 1523 1457 6.80      
14 A 1520 1454 3.99      
15 A 1508 1443 6.19      
16 A 1505 1439 0.99      
17 A 1456 1393 7.72      
18 A 1430 1368 1.55      
19 A 1425 1364 1.90      
20 A 1348 1290 7.00      
21 A 1314 1257 0.26      
22 A 1290 1234 0.30      
23 A 1182 1131 0.84      
24 A 1102 1055 3.64      
25 A 1070 1024 0.36      
26 A 1059 1013 0.14      
27 A 1049 1004 3.39      
28 A 1012 969 0.27      
29 A 953 912 11.78      
30 A 877 839 1.81      
31 A 798 764 3.53      
32 A 725 693 32.02      
33 A 571 547 7.14      
34 A 471 451 1.42      
35 A 304 290 0.02      
36 A 258 247 0.02      
37 A 219 210 0.01      
38 A 143 137 0.37      
39 A 57 54 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 30254.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 28944.2 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 B3PW91/6-31G*
ABC
0.37495 0.08508 0.07790

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.196 -0.279 -0.409
H2 2.681 0.697 -0.528
H3 2.953 -0.987 -0.053
H4 1.863 -0.606 -1.400
C5 1.015 -0.195 0.565
H6 0.565 -1.187 0.683
H7 1.397 0.087 1.558
C8 -2.073 -0.671 -0.085
H9 -2.528 -0.897 -1.058
H10 -1.455 -1.526 0.203
H11 -2.899 -0.598 0.636
C12 -0.010 0.814 0.135
H13 0.372 1.832 0.031
C14 -1.304 0.614 -0.144
H15 -1.888 1.484 -0.450

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09671.09601.09561.53332.16282.15484.29914.80823.90635.21072.52142.82413.62154.4482
H21.09671.77081.76872.18333.08142.52484.96675.47334.75235.84552.77412.63274.00404.6368
H31.09601.77081.77462.18302.50712.48405.03635.57334.44865.90543.47273.82284.54895.4495
H41.09561.76871.77462.18012.52293.07444.15084.41403.79835.17932.80773.19613.61904.3978
C51.53332.18332.18302.18011.09571.10063.19153.96032.82953.93551.50152.19252.55633.5038
H62.16283.08142.50712.52291.09571.75512.79573.56152.10423.51402.15293.09442.72403.7990
H72.15482.52482.48403.07441.10061.75513.91354.81893.54624.44722.12962.53563.23564.0958
C84.29914.96675.03634.15083.19152.79573.91351.09831.09351.09852.55113.50051.49892.1926
H94.80825.47335.57334.41403.96033.56154.81891.09831.77071.75993.26994.12852.14962.5393
H103.90634.75234.44863.79832.82952.10423.54621.09351.77071.76992.75103.82652.17333.1095
H115.21075.84555.90545.17933.93553.51404.44721.09851.75991.76993.25454.11962.15032.5564
C122.52142.77413.47272.80771.50152.15292.12962.55113.26992.75103.25451.09211.33812.0776
H132.82412.63273.82283.19612.19253.09442.53563.50054.12853.82654.11961.09212.07852.3367
C143.62154.00404.54893.61902.55632.72403.23561.49892.14962.17332.15031.33812.07851.0912
H154.44824.63685.44954.39783.50383.79904.09582.19262.53933.10952.55642.07762.33671.0912

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 109.581 C1 C5 H7 108.679
C1 C5 C12 112.360 H2 C1 H3 107.725
H2 C1 H4 107.568 H2 C1 C5 111.146
H3 C1 H4 108.135 H3 C1 C5 111.155
H4 C1 C5 110.956 C5 C12 H13 114.496
C5 C12 C14 128.278 H6 C5 H7 106.096
H6 C5 C12 111.019 H7 C5 C12 108.882
C8 C14 C12 128.021 C8 C14 H15 114.767
H9 C8 H10 107.779 H9 C8 H11 106.474
H9 C8 C14 110.779 H10 C8 H11 107.696
H10 C8 C14 113.008 H11 C8 C14 110.821
C12 C14 H15 117.211 H13 C12 C14 117.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.506     -0.380
2 H 0.166     0.094
3 H 0.166     0.070
4 H 0.174     0.106
5 C -0.356     0.380
6 H 0.165     -0.036
7 H 0.170     -0.029
8 C -0.556     -0.241
9 H 0.178     0.083
10 H 0.175     0.094
11 H 0.179     0.077
12 C -0.116     -0.450
13 H 0.145     0.160
14 C -0.131     -0.023
15 H 0.148     0.093


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.024 -0.194 0.035 0.199
CHELPG        
AIM        
ESP -0.041 -0.220 0.019 0.225


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.388 0.312 0.832
y 0.312 -31.992 -0.331
z 0.832 -0.331 -33.851
Traceless
 xyz
x 1.534 0.312 0.832
y 0.312 0.628 -0.331
z 0.832 -0.331 -2.161
Polar
3z2-r2-4.323
x2-y20.604
xy0.312
xz0.832
yz-0.331


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> 165.637
(<r2>)1/2 12.870