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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-196.513457
Energy at 298.15K-196.523215
Nuclear repulsion energy172.918494
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 B3LYP/SDD
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 3037 75.52      
2 A 3149 3027 39.46      
3 A 3135 3013 6.20      
4 A 3130 3009 23.33      
5 A 3027 2910 15.24      
6 A 3023 2906 87.23      
7 A 3016 2900 34.80      
8 A 1746 1679 2.89      
9 A 1524 1465 16.91      
10 A 1521 1462 9.26      
11 A 1509 1450 3.96      
12 A 1450 1394 5.70      
13 A 1441 1385 14.20      
14 A 1434 1378 14.21      
15 A 1397 1343 1.54      
16 A 1253 1205 6.04      
17 A 1145 1101 12.23      
18 A 1082 1040 11.87      
19 A 981 943 2.48      
20 A 971 934 2.07      
21 A 770 740 2.40      
22 A 527 506 2.60      
23 A 382 367 0.68      
24 A 300 289 0.19      
25 A 3087 2968 59.35      
26 A 3085 2966 50.90      
27 A 3081 2961 3.67      
28 A 1518 1459 34.52      
29 A 1513 1454 0.71      
30 A 1502 1443 2.91      
31 A 1121 1077 3.49      
32 A 1080 1038 0.50      
33 A 1031 991 4.69      
34 A 851 818 22.78      
35 A 457 439 4.64      
36 A 260 250 2.96      
37 A 178 171 1.96      
38 A 128 123 0.01      
39 A 110 105 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 30034.9 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 28872.5 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 B3LYP/SDD
ABC
0.26432 0.11495 0.08387

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.518 0.497 0.000
H2 -1.977 -0.496 0.000
H3 -1.888 1.040 0.883
H4 -1.888 1.040 -0.883
C5 0.269 -2.115 0.000
H6 0.649 -2.650 -0.883
H7 0.649 -2.650 0.883
H8 -0.822 -2.204 0.000
C9 0.745 -0.677 0.000
H10 1.832 -0.561 0.000
C11 0.000 0.456 0.000
C12 0.664 1.824 0.000
H13 1.758 1.746 0.000
H14 0.363 2.409 0.883
H15 0.363 2.409 -0.883

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09381.10061.10063.16513.92193.92192.78952.54973.51301.51862.55393.50542.82352.8235
H21.09381.77381.77382.76863.50923.50922.06182.72773.80902.19373.51504.35523.83273.8327
H31.10061.77381.76573.92294.81404.47843.52723.26564.14532.16502.81243.81712.63493.1720
H41.10061.77381.76573.92294.47844.81403.52723.26564.14532.16502.81243.81713.17202.6349
C53.16512.76863.92293.92291.10021.10021.09481.51452.20392.58473.95884.13744.60964.6096
H63.92193.50924.81404.47841.10021.76611.77292.16352.55793.29334.56044.61825.36535.0663
H73.92193.50924.47844.81401.10021.76611.77292.16352.55793.29334.56044.61825.06635.3653
H82.78952.06183.52723.52721.09481.77291.77292.18793.12142.78384.29354.71734.84344.8434
C92.54972.72773.26563.26561.51452.16352.16352.18791.09301.35592.50262.62573.23203.2320
H103.51303.80904.14534.14532.20392.55792.55793.12141.09302.09502.65552.30753.42813.4281
C111.51862.19372.16502.16502.58473.29333.29332.78381.35592.09501.52112.18012.17372.1737
C122.55393.51502.81242.81243.95884.56044.56044.29352.50262.65551.52111.09631.10071.1007
H133.50544.35523.81713.81714.13744.61824.61824.71732.62572.30752.18011.09631.77841.7784
H142.82353.83272.63493.17204.60965.36535.06634.84343.23203.42812.17371.10071.77841.7663
H152.82353.83273.17202.63494.60965.06635.36534.84343.23203.42812.17371.10071.77841.7663

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 124.900 C1 C11 C12 114.317
H2 C1 H3 107.866 H2 C1 H4 107.866
H2 C1 C11 113.215 H3 C1 H4 106.669
H3 C1 C11 110.481 H4 C1 C11 110.481
C5 C9 H10 114.424 C5 C9 C11 128.356
H6 C5 H7 106.769 H6 C5 H8 107.739
H6 C5 C9 110.678 H7 C5 H8 107.739
H7 C5 C9 110.678 H8 C5 C9 112.979
C9 C11 C12 120.783 H10 C9 C11 117.220
C11 C12 H13 111.773 C11 C12 H14 110.993
C11 C12 H15 110.993 H13 C12 H14 108.088
H13 C12 H15 108.088 H14 C12 H15 106.705
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.734      
2 H 0.210      
3 H 0.202      
4 H 0.202      
5 C -0.676      
6 H 0.206      
7 H 0.206      
8 H 0.203      
9 C -0.297      
10 H 0.197      
11 C 0.404      
12 C -0.731      
13 H 0.210      
14 H 0.198      
15 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.210 0.110 0.000 0.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.785 -0.359 0.000
y -0.359 -31.380 0.000
z 0.000 0.000 -34.197
Traceless
 xyz
x 1.003 -0.359 0.000
y -0.359 1.611 0.000
z 0.000 0.000 -2.614
Polar
3z2-r2-5.228
x2-y2-0.405
xy-0.359
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.381 -0.951 -0.003
y -0.951 7.764 0.000
z -0.003 0.000 5.727


<r2> (average value of r2) Å2
<r2> 153.009
(<r2>)1/2 12.370