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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-196.487431
Energy at 298.15K 
Nuclear repulsion energy174.604741
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/cc-pVTZ
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 3127 3118 23.20      
2 A 3054 3044 13.33      
3 A 3026 3017 24.68      
4 A 3022 3013 43.59      
5 A 3015 3006 38.47      
6 A 2980 2971 15.52      
7 A 2978 2969 25.34      
8 A 2961 2952 29.00      
9 A 2943 2934 31.30      
10 A 2926 2918 28.14      
11 A 1648 1643 18.37      
12 A 1476 1471 2.83      
13 A 1469 1464 4.32      
14 A 1463 1459 10.95      
15 A 1454 1449 8.12      
16 A 1443 1438 2.16      
17 A 1413 1409 0.08      
18 A 1377 1373 2.75      
19 A 1372 1368 2.65      
20 A 1310 1306 2.41      
21 A 1273 1269 0.96      
22 A 1237 1233 2.13      
23 A 1089 1086 0.74      
24 A 1066 1063 3.94      
25 A 1024 1021 0.79      
26 A 984 981 0.22      
27 A 975 972 0.98      
28 A 907 905 2.16      
29 A 891 888 38.35      
30 A 783 781 1.49      
31 A 748 746 0.98      
32 A 704 702 0.11      
33 A 525 523 6.27      
34 A 424 423 1.78      
35 A 390 389 0.67      
36 A 254 253 0.32      
37 A 220 219 0.28      
38 A 181 180 0.19      
39 A 73 73 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 29100.4 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 29013.1 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/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.023 1.328 0.017
H2 0.395 1.901 -0.680
H3 2.063 1.420 -0.314
H4 0.930 1.819 0.997
C5 -1.931 0.087 -0.399
H6 -1.893 1.171 -0.564
H7 -2.925 -0.150 0.001
H8 -1.830 -0.407 -1.373
C9 -0.827 -0.387 0.577
H10 -0.949 -1.463 0.759
H11 -0.978 0.114 1.547
C12 0.590 -0.122 0.097
C13 1.419 -1.123 -0.231
H14 1.109 -2.165 -0.163
H15 2.435 -0.937 -0.576

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09911.09541.10063.23092.97734.21593.61652.58483.49692.79621.51482.49543.49892.7340
H21.09911.77441.76192.96312.40433.96163.27972.88313.89783.16812.17533.22434.16083.4965
H31.09541.77441.77884.21163.97175.23914.42873.52374.30503.79692.17122.62483.71282.4003
H41.10061.76191.77883.62363.28994.44194.26452.85183.78932.61682.16613.22604.15403.5127
C53.23092.96314.21163.62361.09661.09721.09711.54802.17012.16682.57803.56603.79144.4879
H62.97732.40433.97173.28991.09661.76901.77362.20603.09512.53212.87614.04224.50584.8134
H74.21593.96165.23914.44191.09721.76901.77532.18862.49132.50083.51684.45774.51295.4480
H83.61653.27974.42874.26451.09711.77361.77532.19302.53723.08602.84583.51733.63264.3707
C92.58482.88313.52372.85181.54802.20602.18862.19301.09771.10201.52032.49812.73143.5034
H103.49693.89784.30503.78932.17013.09512.49132.53721.09771.76362.14622.58842.36183.6750
H112.79623.16813.79692.61682.16682.53212.50083.08601.10201.76362.14883.23063.53234.1544
C121.51482.17532.17122.16612.57802.87613.51682.84581.52032.14622.14881.34082.12472.1261
C132.49543.22432.62483.22603.56604.04224.45773.51732.49812.58843.23061.34081.08901.0889
H143.49894.16083.71284.15403.79144.50584.51293.63262.73142.36183.53232.12471.08901.8535
H152.73403.49652.40033.51274.48794.81345.44804.37073.50343.67504.15442.12611.08891.8535

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 116.781 C1 C12 C13 121.695
H2 C1 H3 107.910 H2 C1 H4 106.450
H2 C1 C12 111.663 H3 C1 H4 108.197
H3 C1 C12 111.564 H4 C1 C12 110.841
C5 C9 H10 109.033 C5 C9 H11 108.531
C5 C9 C12 114.325 H6 C5 H7 107.489
H6 C5 H8 107.900 H6 C5 C9 111.920
H7 C5 H8 108.012 H7 C5 C9 110.506
H8 C5 C9 110.855 C9 C12 C13 121.522
H10 C9 H11 106.596 H10 C9 C12 109.063
H11 C9 C12 109.012 C12 C13 H14 121.605
C12 C13 H15 121.752 H14 C13 H15 116.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 H 0.088      
3 H 0.086      
4 H 0.085      
5 C -0.274      
6 H 0.086      
7 H 0.087      
8 H 0.089      
9 C -0.129      
10 H 0.074      
11 H 0.072      
12 C 0.135      
13 C -0.297      
14 H 0.087      
15 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.352 0.382 0.136 0.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.889 0.614 -0.779
y 0.614 -33.344 0.134
z -0.779 0.134 -35.115
Traceless
 xyz
x 0.341 0.614 -0.779
y 0.614 1.158 0.134
z -0.779 0.134 -1.499
Polar
3z2-r2-2.998
x2-y2-0.544
xy0.614
xz-0.779
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> 145.843
(<r2>)1/2 12.077