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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-196.543386
Energy at 298.15K-196.553017
HF Energy-196.543386
Nuclear repulsion energy174.818461
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 wB97X-D/TZVP
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 42.12      
2 A' 3158 3016 31.05      
3 A' 3144 3003 3.84      
4 A' 3140 2998 18.82      
5 A' 3053 2916 20.29      
6 A' 3048 2911 51.14      
7 A' 3035 2899 33.74      
8 A' 1777 1697 2.27      
9 A' 1512 1444 9.42      
10 A' 1505 1438 8.16      
11 A' 1490 1423 2.29      
12 A' 1436 1372 4.06      
13 A' 1431 1367 3.95      
14 A' 1421 1357 8.03      
15 A' 1385 1323 1.31      
16 A' 1248 1192 3.93      
17 A' 1142 1091 9.55      
18 A' 1079 1030 5.39      
19 A' 983 939 2.94      
20 A' 967 924 1.94      
21 A' 782 746 1.51      
22 A' 534 510 1.83      
23 A' 395 377 0.30      
24 A' 312 298 0.23      
25 A" 3105 2965 21.37      
26 A" 3099 2960 25.07      
27 A" 3090 2951 20.28      
28 A" 1496 1429 24.03      
29 A" 1487 1420 2.69      
30 A" 1474 1408 0.71      
31 A" 1109 1059 0.00      
32 A" 1068 1020 1.84      
33 A" 1019 973 3.06      
34 A" 828 791 14.75      
35 A" 452 432 3.97      
36 A" 259 247 2.36      
37 A" 156 149 1.37      
38 A" 82 78 0.23      
39 A" 72 69 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 29972.1 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 28623.3 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 wB97X-D/TZVP
ABC
0.27022 0.11782 0.08595

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.502 0.478 0.000
H2 -1.954 -0.512 0.000
H3 -1.870 1.017 0.878
H4 -1.870 1.017 -0.878
C5 0.274 -2.083 0.000
H6 0.656 -2.611 -0.878
H7 0.656 -2.611 0.878
H8 -0.811 -2.180 0.000
C9 0.738 -0.660 0.000
H10 1.818 -0.532 0.000
C11 0.000 0.447 0.000
C12 0.649 1.804 0.000
H13 1.737 1.733 0.000
H14 0.343 2.381 0.879
H15 0.343 2.381 -0.879

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.08831.09411.09413.11633.86903.86902.74652.51193.46971.50202.52663.47332.79262.7926
H21.08831.76501.76502.72643.46283.46282.02252.69613.77212.17703.48434.32023.79743.7974
H31.09411.76501.75613.86994.75674.42063.48053.22204.09482.14272.78093.78032.59973.1376
H41.09411.76501.75613.86994.42064.75673.48053.22204.09482.14272.78093.78033.13762.5997
C53.11632.72643.86993.86991.09351.09351.08941.49712.18872.54533.90564.08734.55064.5506
H63.86903.46284.75674.42061.09351.75611.76322.14142.53853.24904.50204.56225.30175.0022
H73.86903.46284.42064.75671.09351.75611.76322.14142.53853.24904.50204.56225.00225.3017
H82.74652.02253.48053.48051.08941.76321.76322.17063.10312.75014.24374.67004.78674.7867
C92.51192.69613.22203.22201.49712.14142.14142.17061.08761.33052.46582.59333.18993.1899
H103.46973.77214.09484.09482.18872.53852.53853.10311.08762.06482.61252.26673.38123.3812
C111.50202.17702.14272.14272.54533.24903.24902.75011.33052.06481.50412.16102.15162.1516
C122.52663.48432.78092.78093.90564.50204.50204.24372.46582.61251.50411.09041.09451.0945
H133.47334.32023.78033.78034.08734.56224.56224.67002.59332.26672.16101.09041.77011.7701
H142.79263.79742.59973.13764.55065.30175.00224.78673.18993.38122.15161.09451.77011.7571
H152.79263.79743.13762.59974.55065.00225.30174.78673.18993.38122.15161.09451.77011.7571

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 124.844 C1 C11 C12 114.384
H2 C1 H3 107.951 H2 C1 H4 107.951
H2 C1 C11 113.406 H3 C1 H4 106.754
H3 C1 C11 110.261 H4 C1 C11 110.261
C5 C9 H10 114.807 C5 C9 C11 128.267
H6 C5 H7 106.826 H6 C5 H8 107.756
H6 C5 C9 110.536 H7 C5 H8 107.756
H7 C5 C9 110.536 H8 C5 C9 113.172
C9 C11 C12 120.772 H10 C9 C11 116.926
C11 C12 H13 111.811 C11 C12 H14 110.804
C11 C12 H15 110.804 H13 C12 H14 108.227
H13 C12 H15 108.227 H14 C12 H15 106.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.361      
2 H 0.116      
3 H 0.126      
4 H 0.126      
5 C -0.381      
6 H 0.126      
7 H 0.126      
8 H 0.117      
9 C -0.108      
10 H 0.122      
11 C -0.004      
12 C -0.373      
13 H 0.124      
14 H 0.122      
15 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.196 0.061 0.000 0.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.432 -0.320 0.000
y -0.320 -32.223 0.000
z 0.000 0.000 -34.487
Traceless
 xyz
x 0.923 -0.320 0.000
y -0.320 1.236 0.000
z 0.000 0.000 -2.159
Polar
3z2-r2-4.319
x2-y2-0.209
xy-0.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.071 -1.193 0.000
y -1.193 11.312 0.000
z 0.000 0.000 6.985


<r2> (average value of r2) Å2
<r2> 150.301
(<r2>)1/2 12.260