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All results from a given calculation for C5H10 (1-Butene, 2-methyl-)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-196.431255
Energy at 298.15K-196.441305
Nuclear repulsion energy175.978627
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 B1B95/6-31+G**
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 3248 3107 20.27      
2 A 3161 3024 9.91      
3 A 3149 3012 22.07      
4 A 3142 3006 33.36      
5 A 3140 3004 36.61      
6 A 3108 2973 19.63      
7 A 3098 2963 14.02      
8 A 3060 2927 32.55      
9 A 3046 2914 27.97      
10 A 3036 2904 29.30      
11 A 1733 1658 22.95      
12 A 1506 1440 3.43      
13 A 1499 1434 7.50      
14 A 1491 1426 14.17      
15 A 1485 1420 15.69      
16 A 1472 1408 2.58      
17 A 1444 1382 0.28      
18 A 1408 1347 7.69      
19 A 1402 1341 4.04      
20 A 1351 1292 1.42      
21 A 1306 1250 1.82      
22 A 1269 1214 1.15      
23 A 1110 1062 0.93      
24 A 1091 1044 5.03      
25 A 1049 1004 0.42      
26 A 1028 983 1.06      
27 A 994 951 0.84      
28 A 948 907 1.87      
29 A 921 881 52.83      
30 A 798 763 1.79      
31 A 780 746 1.37      
32 A 720 689 0.23      
33 A 533 510 8.84      
34 A 424 406 1.72      
35 A 392 375 0.91      
36 A 253 242 0.18      
37 A 216 207 0.69      
38 A 177 169 0.35      
39 A 62 60 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30023.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 28720.6 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 B1B95/6-31+G**
ABC
0.24371 0.12536 0.09479

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.940 1.345 0.037
H2 0.333 1.875 -0.704
H3 1.990 1.494 -0.221
H4 0.751 1.829 1.003
C5 -1.908 0.075 -0.381
H6 -1.910 1.167 -0.422
H7 -2.893 -0.241 -0.028
H8 -1.778 -0.300 -1.400
C9 -0.809 -0.458 0.541
H10 -0.899 -1.545 0.625
H11 -0.967 -0.052 1.549
C12 0.588 -0.114 0.092
C13 1.470 -1.063 -0.234
H14 1.210 -2.117 -0.191
H15 2.479 -0.819 -0.553

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09491.09151.09583.14612.89224.14883.48672.56213.47582.80621.50182.48103.47992.7198
H21.09491.76721.75772.89312.36943.91743.11002.88113.87103.23802.15773.18574.11943.4470
H31.09151.76721.77264.15133.91885.18584.33653.49664.27793.77732.15642.61003.69442.3872
H41.09581.75771.77263.47293.09034.31614.08632.80673.77512.60582.15153.22644.14753.5229
C53.14612.89314.15133.47291.09311.09301.09331.52982.15662.15072.54703.56733.81594.4797
H62.89222.36943.91883.09031.09311.76171.76762.18633.07772.50232.85374.05384.53574.8186
H74.14883.91745.18584.31611.09301.76171.76862.17142.47052.49693.48544.44484.51495.4282
H83.48673.11004.33654.08631.09331.76761.76862.17482.53373.06832.80303.53413.70034.3708
C92.56212.88113.49662.80671.52982.18632.17142.17481.09411.09821.50712.48222.71393.4836
H103.47583.87104.27793.77512.15663.07772.47052.53371.09411.75752.13152.56562.33273.6501
H112.80623.23803.77732.60582.15072.50232.49693.06831.09821.75752.13163.18443.46854.1082
C121.50182.15772.15642.15152.54702.85373.48542.80301.50712.13152.13161.33652.11652.1185
C132.48103.18572.61003.22643.56734.05384.44483.53412.48222.56563.18441.33651.08581.0857
H143.47994.11943.69444.14753.81594.53574.51493.70032.71392.33273.46852.11651.08581.8506
H152.71983.44702.38723.52294.47974.81865.42824.37083.48363.65014.10822.11851.08571.8506

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 116.750 C1 C12 C13 121.768
H2 C1 H3 107.854 H2 C1 H4 106.704
H2 C1 C12 111.426 H3 C1 H4 108.265
H3 C1 C12 111.528 H4 C1 C12 110.866
C5 C9 H10 109.434 C5 C9 H11 108.735
C5 C9 C12 114.002 H6 C5 H7 107.386
H6 C5 H8 107.888 H6 C5 C9 111.854
H7 C5 H8 107.978 H7 C5 C9 110.658
H8 C5 C9 110.911 C9 C12 C13 121.481
H10 C9 H11 106.580 H10 C9 C12 109.029
H11 C9 C12 108.798 C12 C13 H14 121.449
C12 C13 H15 121.648 H14 C13 H15 116.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.687      
2 H 0.165      
3 H 0.160      
4 H 0.166      
5 C -0.571      
6 H 0.155      
7 H 0.159      
8 H 0.167      
9 C -0.217      
10 H 0.149      
11 H 0.159      
12 C 0.372      
13 C -0.448      
14 H 0.135      
15 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.419 0.389 0.134 0.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.234 0.686 -0.862
y 0.686 -32.647 0.159
z -0.862 0.159 -34.876
Traceless
 xyz
x 0.528 0.686 -0.862
y 0.686 1.408 0.159
z -0.862 0.159 -1.936
Polar
3z2-r2-3.872
x2-y2-0.587
xy0.686
xz-0.862
yz0.159


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.164 -0.977 -0.481
y -0.977 9.525 0.315
z -0.481 0.315 7.393


<r2> (average value of r2) Å2
<r2> 143.236
(<r2>)1/2 11.968