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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-195.472085
Energy at 298.15K-195.482216
Nuclear repulsion energy170.786384
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 B3LYP/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 3156 3045 57.32      
2 A 3135 3025 9.57      
3 A 3129 3019 30.92      
4 A 3122 3012 18.33      
5 A 3114 3005 20.50      
6 A 3096 2988 3.26      
7 A 3075 2967 21.46      
8 A 3050 2943 27.40      
9 A 3038 2932 18.20      
10 A 3037 2930 29.15      
11 A 1733 1673 0.77      
12 A 1572 1517 8.19      
13 A 1566 1511 7.33      
14 A 1563 1508 5.39      
15 A 1557 1502 6.61      
16 A 1546 1492 2.33      
17 A 1474 1422 7.05      
18 A 1465 1413 5.62      
19 A 1454 1403 2.02      
20 A 1370 1322 1.84      
21 A 1341 1294 0.82      
22 A 1322 1276 0.55      
23 A 1197 1155 2.33      
24 A 1121 1082 4.83      
25 A 1103 1064 0.04      
26 A 1082 1044 0.46      
27 A 1031 995 0.45      
28 A 1007 972 3.98      
29 A 936 904 11.42      
30 A 868 837 1.98      
31 A 814 786 4.79      
32 A 734 708 39.77      
33 A 585 564 7.41      
34 A 486 468 1.89      
35 A 314 303 0.04      
36 A 262 253 0.06      
37 A 223 216 0.02      
38 A 140 135 0.36      
39 A 59 57 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 30437.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 29369.4 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 B3LYP/3-21G
ABC
0.35728 0.08659 0.07909

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.163 -0.316 -0.429
H2 2.640 0.651 -0.627
H3 2.927 -1.007 -0.057
H4 1.769 -0.702 -1.375
C5 1.016 -0.154 0.603
H6 0.557 -1.128 0.794
H7 1.443 0.197 1.553
C8 -2.043 -0.695 -0.066
H9 -2.451 -0.983 -1.045
H10 -1.406 -1.508 0.290
H11 -2.893 -0.600 0.622
C12 -0.014 0.844 0.124
H13 0.370 1.855 -0.009
C14 -1.298 0.616 -0.169
H15 -1.899 1.453 -0.522

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09601.09571.09471.55182.17652.17064.23894.70263.83085.17242.52812.84623.59334.4313
H21.09601.77691.77452.19063.08642.52834.90505.36324.67655.80902.76522.64213.96434.6104
H31.09571.77691.78042.19502.52142.49934.98025.46814.37555.87423.48033.83824.52725.4369
H41.09471.77451.78042.18612.52093.08014.03034.24213.67395.07292.79553.21813.54854.3385
C51.55182.19062.19502.18611.09411.09933.17803.92722.79223.93471.51212.19712.55773.5133
H62.17653.08642.52142.52091.09411.76582.77333.52882.06193.49492.16023.09562.72243.7984
H72.17062.52832.49933.08011.09931.76583.94654.82783.55244.50652.14162.51863.26444.1297
C84.23894.90504.98024.03033.17802.77333.94651.09821.09261.09822.55363.51161.51132.2002
H94.70265.36325.46814.24213.92723.52884.82781.09821.77441.76673.26204.13352.15672.5516
H103.83084.67654.37553.67392.79222.06193.55241.09261.77441.77412.73753.81482.17513.1091
H115.17245.80905.87425.07293.93473.49494.50651.09821.76671.77413.25924.13272.15662.5518
C122.52812.76523.48032.79551.51212.16022.14162.55363.26202.73753.25921.09001.33622.0832
H132.84622.64213.83823.21812.19713.09562.51863.51164.13353.81484.13271.09002.08432.3611
C143.59333.96434.52723.54852.55772.72243.26441.51132.15672.17512.15661.33622.08431.0893
H154.43134.61045.43694.33853.51333.79844.12972.20022.55163.10912.55182.08322.36111.0893

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 109.467 C1 C5 H7 108.719
C1 C5 C12 111.198 H2 C1 H3 108.340
H2 C1 H4 108.189 H2 C1 C5 110.467
H3 C1 H4 108.750 H3 C1 C5 110.831
H4 C1 C5 110.191 C5 C12 H13 114.227
C5 C12 C14 127.683 H6 C5 H7 107.229
H6 C5 C12 110.946 H7 C5 C12 109.172
C8 C14 C12 127.375 C8 C14 H15 114.593
H9 C8 H10 108.175 H9 C8 H11 107.091
H9 C8 C14 110.478 H10 C8 H11 108.145
H10 C8 C14 112.302 H11 C8 C14 110.467
C12 C14 H15 118.032 H13 C12 C14 118.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.542     -0.387
2 H 0.186     0.102
3 H 0.185     0.079
4 H 0.195     0.114
5 C -0.449     0.303
6 H 0.196     -0.016
7 H 0.199     -0.010
8 C -0.611     -0.275
9 H 0.200     0.094
10 H 0.199     0.109
11 H 0.201     0.089
12 C -0.141     -0.442
13 H 0.174     0.172
14 C -0.168     -0.038
15 H 0.177     0.105


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.017 -0.197 0.002 0.197
CHELPG        
AIM        
ESP -0.037 -0.220 -0.011 0.223


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.714 0.410 0.865
y 0.410 -32.347 -0.473
z 0.865 -0.473 -34.392
Traceless
 xyz
x 1.655 0.410 0.865
y 0.410 0.706 -0.473
z 0.865 -0.473 -2.362
Polar
3z2-r2-4.723
x2-y20.633
xy0.410
xz0.865
yz-0.473


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.157 0.367 0.734
y 0.367 6.872 -0.196
z 0.734 -0.196 5.544


<r2> (average value of r2) Å2
<r2> 164.400
(<r2>)1/2 12.822