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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-196.479992
Energy at 298.15K-196.490101
Nuclear repulsion energy175.608943
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 B3PW91/6-31G**
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 3243 3108 19.62      
2 A 3157 3026 10.21      
3 A 3144 3013 22.07      
4 A 3140 3009 31.32      
5 A 3136 3005 37.58      
6 A 3100 2971 23.23      
7 A 3092 2963 15.05      
8 A 3056 2929 28.36      
9 A 3040 2913 25.23      
10 A 3030 2904 28.75      
11 A 1739 1667 15.29      
12 A 1517 1454 2.83      
13 A 1510 1447 5.59      
14 A 1503 1441 10.85      
15 A 1493 1431 10.57      
16 A 1481 1419 2.83      
17 A 1453 1392 0.30      
18 A 1417 1358 4.40      
19 A 1413 1354 3.69      
20 A 1358 1302 1.44      
21 A 1314 1259 2.07      
22 A 1276 1223 1.71      
23 A 1118 1072 0.46      
24 A 1098 1052 6.29      
25 A 1054 1010 1.12      
26 A 1031 988 1.22      
27 A 1000 959 1.22      
28 A 951 911 1.36      
29 A 919 881 42.73      
30 A 802 769 1.92      
31 A 782 749 1.58      
32 A 725 695 0.14      
33 A 535 513 5.96      
34 A 431 413 1.69      
35 A 397 381 0.69      
36 A 262 251 0.13      
37 A 223 214 0.45      
38 A 182 175 0.32      
39 A 68 65 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30094.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 28842.2 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 B3PW91/6-31G**
ABC
0.24185 0.12450 0.09461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.989 1.330 0.025
H2 0.367 1.888 -0.686
H3 2.032 1.443 -0.283
H4 0.865 1.820 0.999
C5 -1.912 0.083 -0.392
H6 -1.886 1.170 -0.515
H7 -2.905 -0.180 -0.015
H8 -1.797 -0.369 -1.383
C9 -0.820 -0.412 0.564
H10 -0.931 -1.492 0.711
H11 -0.975 0.054 1.548
C12 0.586 -0.118 0.096
C13 1.432 -1.099 -0.232
H14 1.141 -2.145 -0.174
H15 2.445 -0.892 -0.568

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09661.09311.09773.18532.92964.17713.55352.56853.48152.79371.50472.48273.48412.7220
H21.09661.76951.75842.92212.37093.92883.20312.87373.88053.18622.16383.20354.13803.4725
H31.09311.76951.77384.17333.93425.20414.37613.50584.28743.78432.16132.61293.69892.3888
H41.09771.75841.77383.55923.20704.38704.18932.83023.77862.60862.15613.21854.14413.5082
C53.18532.92214.17333.55921.09451.09471.09471.53342.15852.15502.55333.55033.78534.4679
H62.92962.37093.93423.20701.09451.76421.76882.19143.08232.51612.85374.02974.50174.7969
H74.17713.92885.20414.38701.09471.76421.77102.17642.47882.49473.49374.43884.50055.4254
H83.55353.20314.37614.18931.09471.76881.77102.17842.52903.07322.81573.50463.63924.3504
C92.56852.87373.50582.83021.53342.19142.17642.17841.09581.09991.51062.48542.71903.4887
H103.48153.88054.28743.77862.15853.08232.47882.52901.09581.75862.13722.57442.34573.6596
H112.79373.18623.78432.60862.15502.51612.49473.07321.09991.75862.13873.20813.50404.1314
C121.50472.16382.16132.15612.55332.85373.49372.81571.51062.13722.13871.33652.11892.1203
C132.48273.20352.61293.21853.55034.02974.43883.50462.48542.57443.20811.33651.08711.0871
H143.48414.13803.69894.14413.78534.50174.50053.63922.71902.34573.50402.11891.08711.8509
H152.72203.47252.38883.50824.46794.79695.42544.35043.48873.65964.13142.12031.08711.8509

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 116.815 C1 C12 C13 121.699
H2 C1 H3 107.820 H2 C1 H4 106.518
H2 C1 C12 111.610 H3 C1 H4 108.130
H3 C1 C12 111.622 H4 C1 C12 110.921
C5 C9 H10 109.236 C5 C9 H11 108.728
C5 C9 C12 114.025 H6 C5 H7 107.389
H6 C5 H8 107.800 H6 C5 C9 111.918
H7 C5 H8 107.982 H7 C5 C9 110.711
H8 C5 C9 110.871 C9 C12 C13 121.485
H10 C9 H11 106.442 H10 C9 C12 109.129
H11 C9 C12 109.006 C12 C13 H14 121.579
C12 C13 H15 121.714 H14 C13 H15 116.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.431      
2 H 0.139      
3 H 0.134      
4 H 0.136      
5 C -0.388      
6 H 0.129      
7 H 0.129      
8 H 0.137      
9 C -0.283      
10 H 0.127      
11 H 0.127      
12 C 0.156      
13 C -0.335      
14 H 0.112      
15 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.355 0.375 0.101 0.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.419 0.561 -0.784
y 0.561 -31.888 0.134
z -0.784 0.134 -33.882
Traceless
 xyz
x 0.465 0.561 -0.784
y 0.561 1.262 0.134
z -0.784 0.134 -1.728
Polar
3z2-r2-3.456
x2-y2-0.531
xy0.561
xz-0.784
yz0.134


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


<r2> (average value of r2) Å2
<r2> 143.300
(<r2>)1/2 11.971