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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-196.366758
Energy at 298.15K-196.376823
Nuclear repulsion energy173.477030
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 BLYP/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 3157 3133 32.46      
2 A 3077 3054 13.37      
3 A 3048 3025 40.55      
4 A 3045 3022 32.69      
5 A 3040 3017 54.72      
6 A 2998 2975 34.27      
7 A 2992 2969 18.44      
8 A 2970 2947 33.40      
9 A 2950 2928 34.49      
10 A 2934 2911 36.25      
11 A 1668 1656 12.52      
12 A 1516 1505 3.38      
13 A 1510 1499 4.95      
14 A 1504 1493 10.10      
15 A 1496 1485 9.03      
16 A 1486 1475 2.99      
17 A 1453 1441 0.08      
18 A 1422 1411 3.47      
19 A 1413 1402 2.69      
20 A 1341 1330 3.36      
21 A 1296 1287 1.58      
22 A 1261 1251 2.38      
23 A 1116 1108 0.32      
24 A 1092 1083 6.83      
25 A 1052 1044 3.38      
26 A 1008 1000 1.05      
27 A 994 986 0.52      
28 A 922 915 1.58      
29 A 913 906 46.20      
30 A 804 798 2.17      
31 A 755 749 1.20      
32 A 710 704 0.04      
33 A 530 526 5.80      
34 A 428 425 1.47      
35 A 394 391 0.65      
36 A 257 255 0.27      
37 A 223 221 0.33      
38 A 181 180 0.34      
39 A 72 72 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 29512.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 29287.9 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 BLYP/6-31G
ABC
0.23544 0.12113 0.09228

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.019 1.341 0.018
H2 0.387 1.912 -0.686
H3 2.065 1.440 -0.312
H4 0.921 1.838 1.003
C5 -1.939 0.084 -0.403
H6 -1.895 1.174 -0.568
H7 -2.942 -0.154 -0.007
H8 -1.831 -0.413 -1.383
C9 -0.833 -0.396 0.583
H10 -0.955 -1.479 0.760
H11 -0.991 0.106 1.559
C12 0.594 -0.121 0.100
C13 1.435 -1.127 -0.233
H14 1.133 -2.177 -0.167
H15 2.454 -0.937 -0.581

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.10591.10181.10723.24202.97734.23343.62802.60053.52112.81781.52442.51523.52422.7588
H21.10591.78371.77332.97222.40123.97593.28772.90233.92333.19432.18953.24674.18873.5225
H31.10181.78371.78774.22943.97795.26364.44583.54554.33523.82412.18462.64483.73802.4244
H41.10721.77331.78773.63833.29254.46174.28162.87063.81832.63912.18153.25294.18683.5445
C53.24202.97224.22943.63831.10341.10371.10351.55792.18312.18022.59073.58893.82164.5145
H62.97732.40123.97793.29251.10341.78141.78462.21743.11252.54672.88394.06144.53394.8350
H74.23343.97595.26364.46171.10371.78141.78722.20302.50832.51513.53714.48894.55185.4828
H83.62803.28774.44584.28161.10351.78461.78722.20492.54923.10372.85723.53553.65744.3915
C92.60052.90233.54552.87061.55792.21742.20302.20491.10481.10911.53092.51832.75653.5291
H103.52113.92334.33523.81832.18313.11252.50832.54921.10481.77542.16312.61152.38843.7034
H112.81783.19433.82412.63912.18022.54672.51513.10371.10911.77542.16633.25823.56384.1882
C121.52442.18952.18462.18152.59072.88393.53712.85721.53092.16312.16631.35292.14212.1431
C132.51523.24672.64483.25293.58894.06144.48893.53552.51832.61153.25821.35291.09421.0941
H143.52424.18873.73804.18683.82164.53394.55183.65742.75652.38843.56382.14211.09421.8583
H152.75883.52252.42443.54454.51454.83505.48284.39153.52913.70344.18822.14311.09411.8583

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 116.671 C1 C12 C13 121.773
H2 C1 H3 107.796 H2 C1 H4 106.506
H2 C1 C12 111.705 H3 C1 H4 108.057
H3 C1 C12 111.559 H4 C1 C12 110.993
C5 C9 H10 108.961 C5 C9 H11 108.488
C5 C9 C12 114.012 H6 C5 H7 107.628
H6 C5 H8 107.932 H6 C5 C9 111.716
H7 C5 H8 108.134 H7 C5 C9 110.564
H8 C5 C9 110.727 C9 C12 C13 121.555
H10 C9 H11 106.634 H10 C9 C12 109.244
H11 C9 C12 109.241 C12 C13 H14 121.814
C12 C13 H15 121.928 H14 C13 H15 116.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.439      
2 H 0.133      
3 H 0.126      
4 H 0.127      
5 C -0.364      
6 H 0.121      
7 H 0.118      
8 H 0.126      
9 C -0.272      
10 H 0.114      
11 H 0.113      
12 C 0.216      
13 C -0.313      
14 H 0.097      
15 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.360 0.405 0.101 0.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.026 0.572 -0.690
y 0.572 -32.510 0.093
z -0.690 0.093 -34.303
Traceless
 xyz
x 0.380 0.572 -0.690
y 0.572 1.155 0.093
z -0.690 0.093 -1.535
Polar
3z2-r2-3.070
x2-y2-0.516
xy0.572
xz-0.690
yz0.093


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> 146.834
(<r2>)1/2 12.118