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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-196.258819
Energy at 298.15K-196.268508
Nuclear repulsion energy173.198719
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3072 3054 32.23      
2 A 3068 3050 35.01      
3 A 3058 3040 13.47      
4 A 3050 3032 3.54      
5 A 2954 2937 11.02      
6 A 2952 2934 75.06      
7 A 2945 2928 29.19      
8 A 1702 1693 1.22      
9 A 1419 1411 7.23      
10 A 1415 1406 3.64      
11 A 1398 1390 1.71      
12 A 1354 1346 5.68      
13 A 1348 1340 0.59      
14 A 1341 1333 2.97      
15 A 1300 1292 2.27      
16 A 1203 1196 5.62      
17 A 1103 1097 11.45      
18 A 1030 1024 9.66      
19 A 936 931 3.81      
20 A 920 915 0.35      
21 A 766 762 2.00      
22 A 513 510 2.45      
23 A 369 367 0.45      
24 A 286 284 0.26      
25 A 3005 2988 13.35      
26 A 3005 2987 27.86      
27 A 3002 2984 19.68      
28 A 1408 1400 17.14      
29 A 1401 1393 2.19      
30 A 1388 1380 0.46      
31 A 1047 1041 0.66      
32 A 1005 999 0.28      
33 A 967 961 2.07      
34 A 793 789 9.36      
35 A 439 437 2.60      
36 A 259 258 1.36      
37 A 185 184 1.60      
38 A 153 153 0.01      
39 A 127 126 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 28842.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 28675.7 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 PBEPBE/cc-pVDZ
ABC
0.26579 0.11601 0.08463

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.507 0.493 0.000
H2 -1.972 -0.510 0.000
H3 -1.888 1.044 0.888
H4 -1.888 1.044 -0.888
C5 0.265 -2.100 0.000
H6 0.647 -2.650 -0.888
H7 0.647 -2.650 0.888
H8 -0.838 -2.192 0.000
C9 0.741 -0.677 0.000
H10 1.840 -0.551 0.000
C11 0.000 0.457 0.000
C12 0.663 1.812 0.000
H13 1.767 1.735 0.000
H14 0.359 2.409 0.889
H15 0.359 2.409 -0.889

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.10571.11231.11233.14103.91263.91262.76752.53483.50621.50792.53983.50242.81822.8182
H21.10571.79221.79222.74443.49683.49682.02852.71843.81192.19643.51244.36173.83973.8397
H31.11231.79221.77653.91274.81934.48013.51643.26534.15062.16742.80793.82442.62843.1727
H41.11231.79221.77653.91274.48014.81933.51643.26534.15062.16742.80793.82443.17272.6284
C53.14102.74443.91273.91271.11211.11211.10691.50092.20882.57053.93284.11884.59684.5968
H63.91263.49684.81934.48011.11211.77591.79032.16542.57143.29494.54964.61145.36925.0668
H73.91263.49684.48014.81931.11211.77591.79032.16542.57143.29494.54964.61145.06685.3692
H82.76752.02853.51643.51641.10691.79031.79032.18893.14072.77844.27684.71294.83674.8367
C92.53482.71843.26533.26531.50092.16542.16542.18891.10551.35432.49052.62093.23393.2339
H103.50623.81194.15064.15062.20882.57142.57143.14071.10552.09762.64052.28723.42723.4272
C111.50792.19642.16742.16742.57053.29493.29492.77841.35432.09761.50912.18112.17482.1748
C122.53983.51242.80792.80793.93284.54964.54964.27682.49052.64051.50911.10741.11271.1127
H133.50244.36173.82443.82444.11884.61144.61144.71292.62092.28722.18111.10741.79701.7970
H142.81823.83972.62843.17274.59685.36925.06684.83673.23393.42722.17481.11271.79701.7774
H152.81823.83973.17272.62844.59685.06685.36924.83673.23393.42722.17481.11271.79701.7774

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 124.565 C1 C11 C12 114.664
H2 C1 H3 107.809 H2 C1 H4 107.809
H2 C1 C11 113.465 H3 C1 H4 105.986
H3 C1 C11 110.717 H4 C1 C11 110.717
C5 C9 H10 115.028 C5 C9 C11 128.314
H6 C5 H7 105.961 H6 C5 H8 107.567
H6 C5 C9 111.054 H7 C5 H8 107.567
H7 C5 C9 111.054 H8 C5 C9 113.282
C9 C11 C12 120.771 H10 C9 C11 116.658
C11 C12 H13 112.027 C11 C12 H14 111.196
C11 C12 H15 111.196 H13 C12 H14 108.077
H13 C12 H15 108.077 H14 C12 H15 106.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.010      
2 H 0.027      
3 H 0.041      
4 H 0.041      
5 C -0.015      
6 H 0.044      
7 H 0.044      
8 H 0.026      
9 C -0.077      
10 H -0.027      
11 C -0.193      
12 C -0.001      
13 H 0.023      
14 H 0.038      
15 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.213 0.048 0.000 0.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.543 -0.393 0.000
y -0.393 -31.967 0.000
z 0.000 0.000 -34.329
Traceless
 xyz
x 0.605 -0.393 0.000
y -0.393 1.469 0.000
z 0.000 0.000 -2.074
Polar
3z2-r2-4.148
x2-y2-0.576
xy-0.393
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.073 -1.000 0.000
y -1.000 11.545 0.000
z 0.000 0.000 6.216


<r2> (average value of r2) Å2
<r2> 152.461
(<r2>)1/2 12.347