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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-195.087442
Energy at 298.15K-195.097908
Nuclear repulsion energy175.521445
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 HF/LANL2DZ
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 3420 3077 36.31      
2 A 3324 2992 15.20      
3 A 3296 2966 49.20      
4 A 3289 2960 72.61      
5 A 3278 2950 87.23      
6 A 3260 2934 41.20      
7 A 3254 2928 17.54      
8 A 3203 2882 45.68      
9 A 3193 2873 56.95      
10 A 3190 2871 42.65      
11 A 1848 1663 33.50      
12 A 1657 1492 4.46      
13 A 1651 1486 11.26      
14 A 1649 1484 14.43      
15 A 1642 1478 14.36      
16 A 1632 1469 7.04      
17 A 1596 1436 0.91      
18 A 1570 1413 9.76      
19 A 1564 1407 5.89      
20 A 1494 1345 1.32      
21 A 1443 1298 2.37      
22 A 1394 1254 0.81      
23 A 1237 1113 0.09      
24 A 1211 1090 6.03      
25 A 1162 1046 4.94      
26 A 1110 999 1.61      
27 A 1110 999 0.90      
28 A 1091 981 82.70      
29 A 1019 917 0.67      
30 A 878 790 2.31      
31 A 827 744 1.09      
32 A 785 706 0.14      
33 A 590 531 12.02      
34 A 468 421 1.18      
35 A 428 385 1.30      
36 A 283 255 0.65      
37 A 237 213 0.61      
38 A 181 163 0.30      
39 A 68 62 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 32265.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 29035.8 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 HF/LANL2DZ
ABC
0.24097 0.12388 0.09409

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.982 1.341 0.028
H2 0.389 1.875 -0.707
H3 2.025 1.459 -0.236
H4 0.819 1.825 0.987
C5 -1.919 0.083 -0.394
H6 -1.906 1.163 -0.487
H7 -2.900 -0.203 -0.029
H8 -1.790 -0.342 -1.383
C9 -0.822 -0.424 0.566
H10 -0.934 -1.494 0.697
H11 -0.973 0.030 1.543
C12 0.590 -0.121 0.094
C13 1.445 -1.095 -0.235
H14 1.168 -2.132 -0.182
H15 2.445 -0.883 -0.566

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.08531.08241.08653.19042.93894.17843.53702.58043.48642.79921.51522.49313.48422.7278
H21.08531.75261.74882.93962.41353.94983.18192.89403.88253.21322.16083.18724.11593.4433
H31.08241.75261.75684.18043.95025.20224.37223.50624.28313.76772.15972.61843.69192.4020
H41.08651.74881.75683.52653.16744.35584.13752.81483.76402.59602.15303.22604.14033.5201
C53.19042.93964.18043.52651.08401.08491.08451.54352.15512.15602.56453.56763.80514.4733
H62.93892.41353.95023.16741.08401.75031.75552.19103.06612.50432.86644.04804.51604.8087
H74.17843.94985.20224.35581.08491.75031.75642.17302.46102.49773.49344.44014.50445.4150
H83.53703.18194.37224.13751.08451.75551.75642.17842.52703.06082.81043.51443.66024.3473
C92.58042.89403.50622.81481.54352.19102.17302.17841.08371.08741.51942.49602.72693.4881
H103.48643.88254.28313.76402.15513.06612.46102.52701.08371.74332.13792.58592.36593.6589
H112.79923.21323.76772.59602.15602.50432.49773.06081.08741.74332.13663.20493.49734.1190
C121.51522.16082.15972.15302.56452.86643.49342.81041.51942.13792.13661.33652.11022.1113
C132.49313.18722.61843.22603.56764.04804.44013.51442.49602.58593.20491.33651.07491.0748
H143.48424.11593.69194.14033.80514.51604.50443.66022.72692.36593.49732.11021.07491.8272
H152.72783.44332.40203.52014.47334.80875.41504.34733.48813.65894.11902.11131.07481.8272

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 116.497 C1 C12 C13 121.784
H2 C1 H3 107.900 H2 C1 H4 107.267
H2 C1 C12 111.312 H3 C1 H4 108.189
H3 C1 C12 111.396 H4 C1 C12 110.613
C5 C9 H10 108.975 C5 C9 H11 108.835
C5 C9 C12 113.708 H6 C5 H7 107.606
H6 C5 H8 108.098 H6 C5 C9 111.805
H7 C5 H8 108.119 H7 C5 C9 110.312
H8 C5 C9 110.763 C9 C12 C13 121.717
H10 C9 H11 106.831 H10 C9 C12 109.292
H11 C9 C12 108.973 C12 C13 H14 121.727
C12 C13 H15 121.856 H14 C13 H15 116.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.654      
2 H 0.184      
3 H 0.190      
4 H 0.177      
5 C -0.553      
6 H 0.170      
7 H 0.179      
8 H 0.181      
9 C -0.383      
10 H 0.178      
11 H 0.159      
12 C 0.436      
13 C -0.641      
14 H 0.188      
15 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.470 0.439 0.123 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.572 0.728 -1.031
y 0.728 -32.819 0.196
z -1.031 0.196 -35.259
Traceless
 xyz
x 0.466 0.728 -1.031
y 0.728 1.597 0.196
z -1.031 0.196 -2.063
Polar
3z2-r2-4.126
x2-y2-0.754
xy0.728
xz-1.031
yz0.196


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.529 -1.259 -0.673
y -1.259 8.311 0.445
z -0.673 0.445 5.847


<r2> (average value of r2) Å2
<r2> 144.421
(<r2>)1/2 12.018