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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-196.263552
Energy at 298.15K-196.273530
Nuclear repulsion energy174.926424
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/6-31G(2df,p)
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 3159 3127 17.14      
2 A 3075 3043 8.00      
3 A 3063 3032 21.73      
4 A 3060 3029 22.90      
5 A 3058 3026 32.62      
6 A 3015 2984 18.59      
7 A 3009 2978 13.71      
8 A 2980 2949 25.26      
9 A 2960 2929 23.69      
10 A 2948 2918 25.65      
11 A 1674 1657 14.79      
12 A 1460 1445 1.89      
13 A 1452 1437 4.54      
14 A 1445 1430 10.53      
15 A 1434 1419 9.05      
16 A 1421 1407 1.73      
17 A 1399 1384 0.18      
18 A 1355 1341 3.81      
19 A 1352 1338 2.55      
20 A 1301 1288 1.79      
21 A 1269 1256 2.23      
22 A 1233 1220 1.80      
23 A 1080 1069 0.93      
24 A 1060 1049 4.83      
25 A 1019 1008 0.60      
26 A 1001 991 0.98      
27 A 964 954 1.20      
28 A 924 914 2.01      
29 A 881 872 34.24      
30 A 778 770 1.72      
31 A 761 753 1.45      
32 A 705 697 0.13      
33 A 520 514 4.85      
34 A 417 413 1.81      
35 A 385 382 0.56      
36 A 257 255 0.10      
37 A 217 214 0.38      
38 A 184 182 0.23      
39 A 68 67 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 29169.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 28868.7 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/6-31G(2df,p)
ABC
0.23985 0.12383 0.09408

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.984 1.336 0.026
H2 0.346 1.899 -0.680
H3 2.030 1.457 -0.295
H4 0.865 1.828 1.008
C5 -1.916 0.079 -0.395
H6 -1.888 1.173 -0.520
H7 -2.917 -0.185 -0.016
H8 -1.798 -0.376 -1.392
C9 -0.820 -0.417 0.567
H10 -0.928 -1.505 0.714
H11 -0.980 0.053 1.557
C12 0.588 -0.117 0.097
C13 1.441 -1.099 -0.233
H14 1.153 -2.152 -0.173
H15 2.459 -0.886 -0.573

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.10441.10041.10553.18882.92774.18673.56082.57293.49322.80181.50822.49153.49872.7337
H21.10441.78231.76732.91802.35503.92833.20672.87703.89273.18922.17403.22274.16203.4969
H31.10041.78231.78664.18073.93445.21904.38323.51744.30563.80252.17032.62323.71612.3978
H41.10551.76731.78663.57313.21644.40514.20872.84163.79642.61892.16613.23144.16253.5225
C53.18882.91804.18073.57311.10191.10181.10211.54012.17092.16502.55923.56183.80134.4837
H62.92772.35503.93443.21641.10191.77651.78042.20203.10072.52822.85914.04114.52014.8103
H74.18673.92835.21904.40511.10181.77651.78352.18832.49542.50613.50664.45814.52335.4495
H83.56083.20674.38324.20871.10211.78041.78352.18952.54253.09002.82393.51533.65374.3645
C92.57292.87703.51742.84161.54012.20202.18832.18951.10331.10761.51382.49392.73053.5030
H103.49323.89274.30563.79642.17093.10072.49542.54251.10331.77172.14582.58422.35413.6763
H112.80183.18923.80252.61892.16502.52822.50613.09001.10761.77172.14893.22423.52284.1529
C121.50822.17402.17032.16612.55922.85913.50662.82391.51382.14582.14891.34252.12992.1313
C132.49153.22272.62323.23143.56184.04114.45813.51532.49392.58423.22421.34251.09391.0938
H143.49874.16203.71614.16253.80134.52014.52333.65372.73052.35413.52282.12991.09391.8625
H152.73373.49692.39783.52254.48374.81035.44954.36453.50303.67634.15292.13131.09381.8625

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 116.727 C1 C12 C13 121.741
H2 C1 H3 107.871 H2 C1 H4 106.207
H2 C1 C12 111.699 H3 C1 H4 108.181
H3 C1 C12 111.647 H4 C1 C12 110.999
C5 C9 H10 109.309 C5 C9 H11 108.605
C5 C9 C12 113.855 H6 C5 H7 107.443
H6 C5 H8 107.760 H6 C5 C9 111.835
H7 C5 H8 108.050 H7 C5 C9 110.758
H8 C5 C9 110.830 C9 C12 C13 121.532
H10 C9 H11 106.525 H10 C9 C12 109.147
H11 C9 C12 109.141 C12 C13 H14 121.571
C12 C13 H15 121.711 H14 C13 H15 116.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.504      
2 H 0.137      
3 H 0.131      
4 H 0.133      
5 C -0.406      
6 H 0.129      
7 H 0.125      
8 H 0.133      
9 C -0.287      
10 H 0.112      
11 H 0.112      
12 C 0.400      
13 C -0.427      
14 H 0.106      
15 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.364 0.377 0.113 0.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.698 0.588 -0.724
y 0.588 -32.180 0.136
z -0.724 0.136 -33.865
Traceless
 xyz
x 0.324 0.588 -0.724
y 0.588 1.102 0.136
z -0.724 0.136 -1.426
Polar
3z2-r2-2.851
x2-y2-0.519
xy0.588
xz-0.724
yz0.136


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.662 -0.749 -0.653
y -0.749 9.115 0.310
z -0.653 0.310 6.470


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000