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All results from a given calculation for C5H10 (2-Butene, 2-methyl-)

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 CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-196.429767
Energy at 298.15K-196.439536
Nuclear repulsion energy174.742308
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 3170 3027 44.12      
2 A 3163 3020 23.09      
3 A 3150 3007 19.77      
4 A 3147 3005 5.13      
5 A 3050 2912 13.21      
6 A 3046 2909 65.09      
7 A 3040 2903 26.33      
8 A 1778 1697 1.21      
9 A 1503 1435 8.83      
10 A 1499 1432 2.41      
11 A 1485 1418 1.81      
12 A 1423 1358 3.55      
13 A 1422 1358 1.98      
14 A 1413 1350 5.19      
15 A 1364 1303 2.75      
16 A 1246 1189 4.52      
17 A 1139 1087 9.18      
18 A 1070 1021 8.18      
19 A 968 924 3.20      
20 A 956 913 0.59      
21 A 784 748 1.92      
22 A 520 497 2.57      
23 A 367 350 0.48      
24 A 283 270 0.22      
25 A 3104 2964 25.96      
26 A 3102 2962 32.39      
27 A 3099 2959 13.38      
28 A 1495 1427 18.35      
29 A 1488 1421 1.11      
30 A 1475 1409 0.60      
31 A 1100 1050 0.56      
32 A 1058 1010 0.61      
33 A 1014 968 2.23      
34 A 829 792 10.93      
35 A 449 429 2.31      
36 A 263 251 1.49      
37 A 186 178 1.27      
38 A 146 139 0.06      
39 A 127 121 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 29959.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 28605.5 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
0.26972 0.11785 0.08590

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.500 0.493 0.000
H2 -1.961 -0.494 0.000
H3 -1.869 1.036 0.877
H4 -1.869 1.036 -0.877
C5 0.263 -2.087 0.000
H6 0.641 -2.624 -0.877
H7 0.641 -2.624 0.877
H8 -0.824 -2.178 0.000
C9 0.734 -0.669 0.000
H10 1.816 -0.547 0.000
C11 0.000 0.450 0.000
C12 0.661 1.799 0.000
H13 1.750 1.716 0.000
H14 0.364 2.384 0.878
H15 0.364 2.384 -0.878

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.08941.09581.09583.12513.88153.88152.75532.51763.47511.50032.52453.47192.79632.7963
H21.08941.76601.76602.73563.47453.47452.03182.69983.77722.17613.48284.31883.80233.8023
H31.09581.76601.75433.88224.77204.43783.49173.23304.10582.14632.78463.78542.60863.1438
H41.09581.76601.75433.88224.43784.77203.49173.23304.10582.14632.78463.78543.14382.6086
C53.12512.73563.88223.88221.09541.09541.09041.49412.18772.55123.90634.08404.55814.5581
H63.88153.47454.77204.43781.09541.75441.76422.14442.54283.26044.50874.56485.31385.0158
H73.88153.47454.43784.77201.09541.75441.76422.14442.54283.26044.50874.56485.01585.3138
H82.75532.03183.49173.49171.09041.76421.76422.16813.10312.75424.24474.66774.79524.7952
C92.51762.69983.23303.23301.49412.14442.14442.16811.08961.33842.46892.59303.19853.1985
H103.47513.77724.10584.10582.18772.54282.54283.10311.08962.07192.61442.26423.38683.3868
C111.50032.17612.14632.14632.55123.26043.26042.75421.33842.07191.50172.15972.15472.1547
C122.52453.48282.78462.78463.90634.50874.50874.24472.46892.61441.50171.09161.09611.0961
H133.47194.31883.78543.78544.08404.56484.56484.66772.59302.26422.15971.09161.77101.7710
H142.79633.80232.60863.14384.55815.31385.01584.79523.19853.38682.15471.09611.77101.7551
H152.79633.80233.14382.60864.55815.01585.31384.79523.19853.38682.15471.09611.77101.7551

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 124.870 C1 C11 C12 114.483
H2 C1 H3 107.830 H2 C1 H4 107.830
H2 C1 C11 113.394 H3 C1 H4 106.349
H3 C1 C11 110.569 H4 C1 C11 110.569
C5 C9 H10 114.809 C5 C9 C11 128.410
H6 C5 H7 106.415 H6 C5 H8 107.630
H6 C5 C9 110.872 H7 C5 H8 107.630
H7 C5 C9 110.872 H8 C5 C9 113.119
C9 C11 C12 120.646 H10 C9 C11 116.780
C11 C12 H13 111.800 C11 C12 H14 111.122
C11 C12 H15 111.122 H13 C12 H14 108.099
H13 C12 H15 108.099 H14 C12 H15 106.377
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 -0.400      
2 H 0.122      
3 H 0.128      
4 H 0.128      
5 C -0.395      
6 H 0.130      
7 H 0.130      
8 H 0.120      
9 C -0.127      
10 H 0.090      
11 C 0.100      
12 C -0.396      
13 H 0.122      
14 H 0.124      
15 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.187 0.058 0.000 0.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.877 -0.332 0.000
y -0.332 -31.468 0.000
z 0.000 0.000 -33.804
Traceless
 xyz
x 0.759 -0.332 0.000
y -0.332 1.373 0.000
z 0.000 0.000 -2.131
Polar
3z2-r2-4.263
x2-y2-0.409
xy-0.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.251 -1.046 0.000
y -1.046 10.491 0.000
z 0.000 0.000 5.793


<r2> (average value of r2) Å2
<r2> 149.993
(<r2>)1/2 12.247