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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-196.478839
Energy at 298.15K-196.488863
Nuclear repulsion energy171.004529
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
4/u)
Dep P Dep U
1 A 3165 3033 58.81      
2 A 3148 3017 10.37      
3 A 3138 3008 36.65      
4 A 3136 3005 18.45      
5 A 3130 2999 23.43      
6 A 3099 2970 7.65      
7 A 3096 2967 21.41      
8 A 3051 2924 33.08      
9 A 3041 2914 29.04      
10 A 3032 2906 29.98      
11 A 1756 1683 2.29      
12 A 1515 1452 5.66      
13 A 1506 1444 6.39      
14 A 1501 1439 4.16      
15 A 1490 1428 5.74      
16 A 1486 1424 0.69      
17 A 1444 1384 7.77      
18 A 1415 1356 1.31      
19 A 1409 1350 1.81      
20 A 1335 1280 6.68      
21 A 1304 1250 0.25      
22 A 1280 1227 0.30      
23 A 1173 1125 0.69      
24 A 1095 1049 3.65      
25 A 1061 1017 0.44      
26 A 1051 1007 0.15      
27 A 1045 1002 3.39      
28 A 1011 969 0.29      
29 A 948 909 12.13      
30 A 874 837 1.94      
31 A 794 761 3.65      
32 A 722 692 30.52      
33 A 571 547 7.19      
34 A 471 451 1.38      
35 A 302 289 0.03      
36 A 258 247 0.02      
37 A 218 209 0.01      
38 A 143 137 0.38      
39 A 56 54 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 30133.6 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 28880.0 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
0.37590 0.08512 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 2.198 -0.277 -0.407
H2 2.683 0.699 -0.518
H3 2.953 -0.986 -0.053
H4 1.870 -0.597 -1.401
C5 1.013 -0.198 0.562
H6 0.562 -1.189 0.673
H7 1.390 0.078 1.558
C8 -2.072 -0.670 -0.086
H9 -2.530 -0.893 -1.058
H10 -1.453 -1.525 0.196
H11 -2.895 -0.602 0.637
C12 -0.011 0.813 0.135
H13 0.371 1.831 0.034
C14 -1.304 0.615 -0.142
H15 -1.888 1.485 -0.444

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09561.09491.09451.53292.16252.15414.30004.81153.90555.20902.52182.82393.62354.4496
H21.09561.76871.76662.18223.08002.52374.96765.47744.75085.84352.77452.63334.00634.6391
H31.09491.76871.77242.18242.50722.48405.03515.57454.44605.90133.47223.82244.54925.4492
H41.09451.76661.77242.17922.52303.07294.15644.42283.80235.18272.80813.19383.62344.4013
C51.53292.18222.18242.17921.09491.09973.18783.95712.82473.92981.50122.19292.55493.5018
H62.16253.08002.50722.52301.09491.75342.78983.55532.09793.50692.15143.09322.72083.7952
H72.15412.52372.48403.07291.09971.75343.90484.81123.53674.43552.12782.53703.23084.0909
C84.30004.96765.03514.15643.18782.78983.90481.09721.09251.09732.54943.49831.49822.1928
H94.81155.47745.57454.42283.95713.55534.81121.09721.76911.75783.26814.12612.14822.5387
H103.90554.75084.44603.80232.82472.09793.53671.09251.76911.76832.74853.82332.17193.1083
H115.20905.84355.90135.18273.92983.50694.43551.09731.75781.76833.25184.11672.14892.5569
C122.52182.77453.47222.80811.50122.15142.12782.54943.26812.74853.25181.09141.33782.0764
H132.82392.63333.82243.19382.19293.09322.53703.49834.12613.82334.11671.09142.07732.3345
C143.62354.00634.54923.62342.55492.72083.23081.49822.14822.17192.14891.33782.07731.0905
H154.44964.63915.44924.40133.50183.79524.09092.19282.53873.10832.55692.07642.33451.0905

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 109.631 C1 C5 H7 108.705
C1 C5 C12 112.437 H2 C1 H3 107.699
H2 C1 H4 107.532 H2 C1 C5 111.153
H3 C1 H4 108.106 H3 C1 C5 111.213
H4 C1 C5 110.978 C5 C12 H13 114.596
C5 C12 C14 128.210 H6 C5 H7 106.062
H6 C5 C12 110.961 H7 C5 C12 108.814
C8 C14 C12 127.953 C8 C14 H15 114.873
H9 C8 H10 107.791 H9 C8 H11 106.455
H9 C8 C14 110.778 H10 C8 H11 107.706
H10 C8 C14 113.003 H11 C8 C14 110.823
C12 C14 H15 117.174 H13 C12 C14 117.190
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 -0.386      
2 H 0.128      
3 H 0.126      
4 H 0.136      
5 C -0.275      
6 H 0.123      
7 H 0.134      
8 C -0.424      
9 H 0.139      
10 H 0.131      
11 H 0.140      
12 C -0.083      
13 H 0.105      
14 C -0.104      
15 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.023 -0.210 0.035 0.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.342 0.328 0.793
y 0.328 -32.017 -0.319
z 0.793 -0.319 -33.820
Traceless
 xyz
x 1.576 0.328 0.793
y 0.328 0.565 -0.319
z 0.793 -0.319 -2.141
Polar
3z2-r2-4.282
x2-y20.674
xy0.328
xz0.793
yz-0.319


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> 165.555
(<r2>)1/2 12.867