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

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 C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-196.485356
Energy at 298.15K-196.495412
Nuclear repulsion energy171.266106
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 3188 3023 59.26      
2 A 3169 3005 10.84      
3 A 3160 2997 32.89      
4 A 3157 2994 23.60      
5 A 3150 2987 25.36      
6 A 3121 2959 7.20      
7 A 3117 2956 21.58      
8 A 3074 2915 33.11      
9 A 3064 2905 28.08      
10 A 3055 2897 30.82      
11 A 1775 1683 2.09      
12 A 1540 1461 6.72      
13 A 1531 1452 7.03      
14 A 1528 1449 4.15      
15 A 1516 1438 6.42      
16 A 1513 1435 0.98      
17 A 1466 1390 7.69      
18 A 1439 1364 1.85      
19 A 1433 1359 1.92      
20 A 1356 1286 6.65      
21 A 1321 1252 0.24      
22 A 1297 1230 0.29      
23 A 1190 1128 0.82      
24 A 1110 1052 3.73      
25 A 1077 1021 0.45      
26 A 1066 1010 0.17      
27 A 1058 1003 3.23      
28 A 1021 968 0.28      
29 A 960 910 11.79      
30 A 883 837 1.81      
31 A 803 761 3.58      
32 A 730 692 32.76      
33 A 574 545 7.13      
34 A 475 451 1.45      
35 A 306 291 0.03      
36 A 260 247 0.02      
37 A 221 210 0.01      
38 A 142 135 0.38      
39 A 57 54 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 30451.2 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 28876.9 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
0.37432 0.08565 0.07839

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.186 -0.283 -0.410
H2 2.671 0.691 -0.538
H3 2.943 -0.988 -0.055
H4 1.847 -0.615 -1.396
C5 1.013 -0.190 0.568
H6 0.562 -1.179 0.695
H7 1.399 0.099 1.556
C8 -2.065 -0.672 -0.083
H9 -2.513 -0.906 -1.056
H10 -1.446 -1.522 0.213
H11 -2.894 -0.598 0.632
C12 -0.010 0.816 0.134
H13 0.371 1.832 0.026
C14 -1.301 0.613 -0.146
H15 -1.885 1.479 -0.456

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09501.09431.09391.53052.15952.15174.28164.78383.88825.19522.51532.82063.60984.4364
H21.09501.76841.76622.17923.07642.52044.94915.44864.73395.83042.76672.62853.99164.6245
H31.09431.76841.77222.17952.50382.48165.01845.54784.43005.89013.46593.81774.53705.4371
H41.09391.76621.77222.17582.51843.06944.12704.38263.77575.15612.79923.19153.60264.3813
C51.53052.17922.17952.17581.09401.09873.18303.94752.81923.92851.49942.18972.55133.4980
H62.15953.07642.50382.51841.09401.75292.78633.54902.09373.50472.14973.08992.71823.7917
H72.15172.52042.48163.06941.09871.75293.90884.80963.53904.44602.12672.53023.23254.0915
C84.28164.94915.01844.12703.18302.78633.90881.09651.09181.09662.54623.49491.49682.1900
H94.78385.44865.54784.38263.94753.54904.80961.09651.76811.75753.26234.12072.14612.5374
H103.88824.73394.43003.77572.81922.09373.53901.09181.76811.76742.74453.81872.16983.1050
H115.19525.83045.89015.15613.92853.50474.44601.09661.75751.76743.24984.11432.14692.5517
C122.51532.76673.46592.79921.49942.14972.12672.54623.26232.74453.24981.09041.33582.0745
H132.82062.62853.81773.19152.18973.08992.53023.49494.12073.81874.11431.09042.07562.3341
C143.60983.99164.53703.60262.55132.71823.23251.49682.14612.16982.14691.33582.07561.0894
H154.43644.62455.43714.38133.49803.79174.09152.19002.53743.10502.55172.07452.33411.0894

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 109.612 C1 C5 H7 108.738
C1 C5 C12 112.225 H2 C1 H3 107.749
H2 C1 H4 107.579 H2 C1 C5 111.111
H3 C1 H4 108.160 H3 C1 C5 111.183
H4 C1 C5 110.906 C5 C12 H13 114.537
C5 C12 C14 128.189 H6 C5 H7 106.143
H6 C5 C12 111.009 H7 C5 C12 108.903
C8 C14 C12 127.931 C8 C14 H15 114.823
H9 C8 H10 107.795 H9 C8 H11 106.515
H9 C8 C14 110.754 H10 C8 H11 107.724
H10 C8 C14 112.969 H11 C8 C14 110.806
C12 C14 H15 117.246 H13 C12 C14 117.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.515      
2 H 0.170      
3 H 0.170      
4 H 0.177      
5 C -0.366      
6 H 0.169      
7 H 0.174      
8 C -0.565      
9 H 0.181      
10 H 0.179      
11 H 0.182      
12 C -0.123      
13 H 0.150      
14 C -0.137      
15 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.025 -0.191 0.032 0.195
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.374 0.317 0.846
y 0.317 -31.972 -0.345
z 0.846 -0.345 -33.856
Traceless
 xyz
x 1.540 0.317 0.846
y 0.317 0.643 -0.345
z 0.846 -0.345 -2.183
Polar
3z2-r2-4.366
x2-y20.598
xy0.317
xz0.846
yz-0.345


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> 164.820
(<r2>)1/2 12.838