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All results from a given calculation for C5H10 (1-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 C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-196.412222
Energy at 298.15K-196.422279
Nuclear repulsion energy176.171816
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 3263 3098 20.57      
2 A 3182 3020 9.40      
3 A 3165 3005 23.75      
4 A 3162 3002 25.64      
5 A 3159 2999 40.44      
6 A 3123 2965 23.32      
7 A 3113 2956 14.08      
8 A 3081 2925 27.23      
9 A 3064 2909 24.34      
10 A 3054 2899 28.32      
11 A 1763 1673 14.10      
12 A 1537 1459 3.85      
13 A 1529 1451 4.44      
14 A 1522 1445 10.92      
15 A 1515 1438 11.78      
16 A 1502 1426 1.94      
17 A 1471 1397 0.41      
18 A 1436 1364 5.38      
19 A 1429 1357 2.57      
20 A 1374 1305 1.78      
21 A 1326 1259 2.17      
22 A 1290 1224 1.66      
23 A 1128 1071 0.32      
24 A 1108 1052 6.03      
25 A 1066 1012 1.02      
26 A 1042 989 1.32      
27 A 1008 957 0.97      
28 A 959 910 1.50      
29 A 929 882 43.56      
30 A 807 766 1.66      
31 A 788 748 1.60      
32 A 730 693 0.15      
33 A 536 509 5.71      
34 A 425 403 1.80      
35 A 392 372 0.65      
36 A 243 231 0.19      
37 A 217 206 0.35      
38 A 182 173 0.27      
39 A 62 59 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 30340.0 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 28801.8 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
0.24374 0.12572 0.09518

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 0.952 1.338 0.035
H2 0.340 1.878 -0.696
H3 1.999 1.477 -0.240
H4 0.786 1.825 1.002
C5 -1.903 0.078 -0.385
H6 -1.891 1.169 -0.451
H7 -2.892 -0.217 -0.027
H8 -1.775 -0.320 -1.395
C9 -0.812 -0.445 0.548
H10 -0.910 -1.530 0.648
H11 -0.972 -0.023 1.549
C12 0.586 -0.116 0.094
C13 1.454 -1.071 -0.233
H14 1.188 -2.123 -0.187
H15 2.463 -0.839 -0.559

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09491.09141.09583.14882.88924.14773.49742.56043.47432.80151.50062.47593.47592.7160
H21.09491.76651.75642.89232.35373.90963.12952.87583.87063.22082.15833.18624.12053.4506
H31.09141.76651.77144.14773.90815.18104.33693.49544.27713.77882.15552.60573.68992.3831
H41.09581.75641.77143.49333.11564.33114.11152.81263.77552.60822.15163.21894.14213.5139
C53.14882.89234.14773.49331.09291.09281.09291.52812.15422.14862.54183.55203.79964.4651
H62.88922.35373.90813.11561.09291.76191.76672.18393.07522.50332.84304.03234.51504.7963
H74.14773.90965.18104.33111.09281.76191.76852.17072.47182.49203.48174.43474.50615.4179
H83.49743.12954.33694.11151.09291.76671.76852.17222.52733.06562.79893.51353.67274.3514
C92.56042.87583.49542.81261.52812.18392.17072.17221.09381.09781.50582.47772.71183.4797
H103.47433.87064.27713.77552.15423.07522.47182.52731.09381.75652.13172.56492.33473.6490
H112.80153.22083.77882.60822.14862.50332.49203.06561.09781.75652.13323.18803.47664.1123
C121.50062.15832.15552.15162.54182.84303.48172.79891.50582.13172.13321.33252.11412.1156
C132.47593.18622.60573.21893.55204.03234.43473.51352.47772.56493.18801.33251.08541.0854
H143.47594.12053.68994.14213.79964.51504.50613.67272.71182.33473.47662.11411.08541.8474
H152.71603.45062.38313.51394.46514.79635.41794.35143.47973.64904.11232.11561.08541.8474

picture of 1-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 C9 116.782 C1 C12 C13 121.727
H2 C1 H3 107.798 H2 C1 H4 106.593
H2 C1 C12 111.557 H3 C1 H4 108.168
H3 C1 C12 111.545 H4 C1 C12 110.967
C5 C9 H10 109.370 C5 C9 H11 108.708
C5 C9 C12 113.810 H6 C5 H7 107.441
H6 C5 H8 107.849 H6 C5 C9 111.786
H7 C5 H8 108.020 H7 C5 C9 110.735
H8 C5 C9 110.849 C9 C12 C13 121.490
H10 C9 H11 106.535 H10 C9 C12 109.138
H11 C9 C12 109.024 C12 C13 H14 121.601
C12 C13 H15 121.759 H14 C13 H15 116.640
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 -0.549      
2 H 0.174      
3 H 0.171      
4 H 0.168      
5 C -0.493      
6 H 0.162      
7 H 0.164      
8 H 0.169      
9 C -0.359      
10 H 0.162      
11 H 0.161      
12 C 0.196      
13 C -0.422      
14 H 0.148      
15 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.348 0.341 0.099 0.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.458 0.540 -0.788
y 0.540 -31.936 0.154
z -0.788 0.154 -33.896
Traceless
 xyz
x 0.458 0.540 -0.788
y 0.540 1.241 0.154
z -0.788 0.154 -1.699
Polar
3z2-r2-3.397
x2-y2-0.522
xy0.540
xz-0.788
yz0.154


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.987 -0.837 -0.711
y -0.837 8.532 0.349
z -0.711 0.349 5.919


<r2> (average value of r2) Å2
<r2> 142.395
(<r2>)1/2 11.933