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

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-196.482988
Energy at 298.15K-196.493011
Nuclear repulsion energy171.143016
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(2df,p)
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 3157 3035 52.87      
2 A 3138 3016 10.22      
3 A 3129 3008 29.35      
4 A 3126 3005 22.59      
5 A 3120 3000 20.45      
6 A 3089 2969 6.86      
7 A 3085 2966 18.13      
8 A 3042 2924 31.29      
9 A 3031 2914 26.96      
10 A 3023 2906 27.06      
11 A 1748 1680 2.37      
12 A 1500 1442 4.99      
13 A 1492 1434 5.79      
14 A 1487 1430 3.71      
15 A 1475 1418 4.90      
16 A 1471 1414 0.62      
17 A 1433 1377 7.47      
18 A 1399 1345 0.94      
19 A 1395 1341 1.78      
20 A 1327 1276 7.08      
21 A 1298 1248 0.19      
22 A 1273 1224 0.23      
23 A 1167 1122 0.47      
24 A 1089 1047 3.50      
25 A 1057 1016 0.57      
26 A 1044 1004 0.85      
27 A 1042 1002 2.50      
28 A 1015 976 0.41      
29 A 944 908 11.72      
30 A 868 835 1.68      
31 A 790 759 3.37      
32 A 723 695 25.55      
33 A 568 546 6.68      
34 A 471 453 1.27      
35 A 300 288 0.03      
36 A 257 247 0.02      
37 A 216 207 0.00      
38 A 144 138 0.33      
39 A 57 55 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 29994.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 28836.2 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(2df,p)
ABC
0.37771 0.08515 0.07799

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.198 -0.273 -0.407
H2 2.681 0.705 -0.510
H3 2.953 -0.983 -0.056
H4 1.872 -0.586 -1.404
C5 1.012 -0.203 0.561
H6 0.563 -1.196 0.665
H7 1.387 0.067 1.558
C8 -2.073 -0.667 -0.088
H9 -2.529 -0.886 -1.061
H10 -1.459 -1.525 0.195
H11 -2.899 -0.595 0.631
C12 -0.011 0.809 0.138
H13 0.374 1.825 0.039
C14 -1.301 0.615 -0.140
H15 -1.884 1.486 -0.440

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09551.09471.09451.53262.16232.15304.30114.81133.91215.21152.51892.81483.61964.4445
H21.09551.76911.76652.18143.07922.52174.96635.47564.75515.84222.77082.62224.00044.6318
H31.09471.76911.77262.18162.50612.48255.03655.57454.45275.90533.46913.81354.54545.4443
H41.09451.76651.77262.17902.52343.07204.15984.42473.81255.18702.80503.18413.62064.3965
C51.53262.18142.18162.17901.09461.09953.18643.95442.82623.93111.49952.18842.55143.4983
H62.16233.07922.50612.52341.09461.75302.79203.55472.10183.51362.15073.09022.72043.7944
H72.15302.52172.48253.07201.09951.75303.90204.80753.53514.43542.12692.53403.22704.0875
C84.30114.96635.03654.15983.18642.79203.90201.09711.09231.09732.54593.49501.49712.1892
H94.81135.47565.57454.42473.95443.55474.80751.09711.76931.75683.26394.12222.14712.5354
H103.91214.75514.45273.81252.82622.10183.53511.09231.76931.76832.74713.82172.17143.1058
H115.21155.84225.90535.18703.93113.51364.43541.09731.75681.76833.24914.11372.14772.5512
C122.51892.77083.46912.80501.49952.15072.12692.54593.26392.74713.24911.09091.33402.0737
H132.81482.62223.81353.18412.18843.09022.53403.49504.12223.82174.11371.09092.07452.3336
C143.61964.00044.54543.62062.55142.72043.22701.49712.14712.17142.14771.33402.07451.0899
H154.44454.63185.44434.39653.49833.79444.08752.18922.53543.10582.55122.07372.33361.0899

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 109.651 C1 C5 H7 108.648
C1 C5 C12 112.347 H2 C1 H3 107.752
H2 C1 H4 107.533 H2 C1 C5 111.108
H3 C1 H4 108.136 H3 C1 C5 111.178
H4 C1 C5 110.978 C5 C12 H13 114.376
C5 C12 C14 128.338 H6 C5 H7 106.063
H6 C5 C12 111.041 H7 C5 C12 108.864
C8 C14 C12 128.026 C8 C14 H15 114.692
H9 C8 H10 107.826 H9 C8 H11 106.365
H9 C8 C14 110.773 H10 C8 H11 107.722
H10 C8 C14 113.051 H11 C8 C14 110.811
C12 C14 H15 117.281 H13 C12 C14 117.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.432      
2 H 0.138      
3 H 0.136      
4 H 0.144      
5 C -0.278      
6 H 0.125      
7 H 0.132      
8 C -0.491      
9 H 0.148      
10 H 0.144      
11 H 0.149      
12 C -0.057      
13 H 0.106      
14 C -0.073      
15 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.019 -0.207 0.040 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.379 0.302 0.807
y 0.302 -32.013 -0.278
z 0.807 -0.278 -33.643
Traceless
 xyz
x 1.449 0.302 0.807
y 0.302 0.498 -0.278
z 0.807 -0.278 -1.947
Polar
3z2-r2-3.894
x2-y20.634
xy0.302
xz0.807
yz-0.278


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.102 0.296 0.618
y 0.296 7.619 -0.152
z 0.618 -0.152 6.390


<r2> (average value of r2) Å2
<r2> 165.372
(<r2>)1/2 12.860