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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-196.410790
Energy at 298.15K-196.420783
Nuclear repulsion energy171.486536
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 B1B95/6-31G*
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 3027 60.40      
2 A 3171 3010 9.65      
3 A 3163 3002 39.56      
4 A 3159 2999 22.37      
5 A 3154 2994 18.50      
6 A 3128 2969 5.17      
7 A 3120 2962 21.49      
8 A 3077 2921 32.19      
9 A 3066 2910 27.75      
10 A 3058 2903 29.41      
11 A 1779 1689 2.12      
12 A 1536 1459 5.22      
13 A 1527 1450 6.65      
14 A 1520 1443 4.50      
15 A 1512 1436 5.90      
16 A 1509 1432 0.84      
17 A 1461 1387 7.83      
18 A 1433 1361 1.40      
19 A 1423 1351 2.34      
20 A 1351 1282 7.32      
21 A 1315 1249 0.20      
22 A 1292 1227 0.22      
23 A 1185 1125 0.62      
24 A 1106 1050 3.47      
25 A 1073 1019 0.50      
26 A 1058 1004 2.95      
27 A 1054 1000 0.32      
28 A 1019 967 0.30      
29 A 957 909 11.48      
30 A 881 837 1.71      
31 A 798 757 3.41      
32 A 728 691 30.64      
33 A 569 540 7.08      
34 A 472 448 1.35      
35 A 294 279 0.04      
36 A 255 242 0.02      
37 A 212 202 0.00      
38 A 138 131 0.37      
39 A 54 51 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 30395.4 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 28854.4 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 B1B95/6-31G*
ABC
0.37599 0.08580 0.07856

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.184 -0.280 -0.410
H2 2.666 0.693 -0.535
H3 2.942 -0.985 -0.057
H4 1.845 -0.610 -1.396
C5 1.013 -0.193 0.567
H6 0.564 -1.181 0.692
H7 1.398 0.094 1.554
C8 -2.064 -0.669 -0.083
H9 -2.511 -0.901 -1.056
H10 -1.449 -1.520 0.212
H11 -2.893 -0.593 0.629
C12 -0.009 0.813 0.135
H13 0.373 1.827 0.028
C14 -1.298 0.613 -0.144
H15 -1.881 1.479 -0.454

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09381.09301.09261.52792.15632.14854.27844.77933.88865.19152.51022.81333.60454.4289
H21.09381.76641.76402.17553.07192.51634.94315.44154.73165.82322.76012.61923.98394.6142
H31.09301.76641.77002.17672.50082.47835.01615.54394.43155.88793.46043.80954.53165.4294
H41.09261.76401.77002.17262.51513.06524.12474.37923.77725.15292.79403.18383.59774.3741
C51.52792.17552.17672.17261.09261.09743.18103.94362.81913.92661.49712.18632.54853.4937
H62.15633.07192.50082.51511.09261.75052.78743.54772.09673.50682.14763.08642.71723.7894
H72.14852.51632.47833.06521.09741.75053.90514.80423.53684.44282.12362.52653.22844.0861
C84.27844.94315.01614.12473.18102.78743.90511.09531.09061.09542.54313.49061.49462.1873
H94.77935.44155.54394.37923.94363.54774.80421.09531.76601.75533.25794.11522.14322.5345
H103.88864.73164.43153.77722.81912.09673.53681.09061.76601.76532.74213.81512.16733.1016
H115.19155.82325.88795.15293.92663.50684.44281.09541.75531.76533.24604.10912.14392.5477
C122.51022.76013.46042.79401.49712.14762.12362.54313.25792.74213.24601.08941.33402.0718
H132.81332.61923.80953.18382.18633.08642.52653.49064.11523.81514.10911.08942.07302.3305
C143.60453.98394.53163.59772.54852.71723.22841.49462.14322.16732.14391.33402.07301.0884
H154.42894.61425.42944.37413.49373.78944.08612.18732.53453.10162.54772.07182.33051.0884

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 109.624 C1 C5 H7 108.739
C1 C5 C12 112.155 H2 C1 H3 107.758
H2 C1 H4 107.572 H2 C1 C5 111.075
H3 C1 H4 108.159 H3 C1 C5 111.214
H4 C1 C5 110.910 C5 C12 H13 114.476
C5 C12 C14 128.271 H6 C5 H7 106.130
H6 C5 C12 111.087 H7 C5 C12 108.896
C8 C14 C12 127.973 C8 C14 H15 114.815
H9 C8 H10 107.789 H9 C8 H11 106.508
H9 C8 C14 110.747 H10 C8 H11 107.724
H10 C8 C14 113.000 H11 C8 C14 110.793
C12 C14 H15 117.212 H13 C12 C14 117.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.488      
2 H 0.161      
3 H 0.161      
4 H 0.168      
5 C -0.347      
6 H 0.160      
7 H 0.165      
8 C -0.535      
9 H 0.172      
10 H 0.170      
11 H 0.173      
12 C -0.115      
13 H 0.140      
14 C -0.130      
15 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.025 -0.193 0.033 0.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.424 0.304 0.828
y 0.304 -32.026 -0.326
z 0.828 -0.326 -33.832
Traceless
 xyz
x 1.505 0.304 0.828
y 0.304 0.602 -0.326
z 0.828 -0.326 -2.107
Polar
3z2-r2-4.213
x2-y20.602
xy0.304
xz0.828
yz-0.326


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.641 0.314 0.672
y 0.314 7.276 -0.169
z 0.672 -0.169 5.969


<r2> (average value of r2) Å2
<r2> 164.518
(<r2>)1/2 12.826