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All results from a given calculation for CH3CHCH2CH3 (2-Butyl radical)

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-157.676154
Energy at 298.15K-157.684559
HF Energy-157.676154
Nuclear repulsion energy120.919964
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 3076 3051 38.97      
2 A 3034 3010 38.28      
3 A 3027 3003 42.54      
4 A 3014 2989 28.08      
5 A 2968 2944 32.37      
6 A 2957 2933 38.96      
7 A 2928 2904 26.70      
8 A 2857 2834 55.76      
9 A 2823 2801 46.22      
10 A 1499 1487 2.57      
11 A 1490 1478 4.42      
12 A 1479 1467 3.19      
13 A 1466 1454 4.53      
14 A 1462 1450 0.19      
15 A 1401 1389 0.91      
16 A 1396 1385 0.26      
17 A 1384 1373 0.25      
18 A 1295 1285 14.20      
19 A 1248 1238 0.15      
20 A 1160 1150 0.45      
21 A 1110 1101 0.35      
22 A 1056 1047 0.46      
23 A 995 987 0.30      
24 A 969 961 2.62      
25 A 960 952 3.05      
26 A 828 821 0.30      
27 A 757 751 1.68      
28 A 419 416 9.58      
29 A 414 411 7.76      
30 A 261 259 0.98      
31 A 228 226 0.02      
32 A 111 110 0.04      
33 A 62 61 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25066.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 24863.0 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
0.86125 0.11903 0.11235

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 2.003 -0.046 -0.074
H2 2.093 -0.843 -0.834
H3 2.701 0.764 -0.345
H4 2.370 -0.482 0.881
C5 0.586 0.451 0.042
H6 0.424 1.475 0.401
C7 -0.577 -0.507 0.104
H8 -0.573 -1.041 1.082
H9 -0.438 -1.303 -0.654
C10 -1.955 0.168 -0.091
H11 -2.133 0.936 0.682
H12 -2.016 0.664 -1.074
H13 -2.776 -0.565 -0.029

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.10561.10301.11231.50572.24262.62672.99432.80693.96384.31784.20174.8079
H21.10561.78691.77462.17103.11182.84963.28962.57914.23824.82974.38324.9436
H31.10301.78691.77892.17282.49913.54444.00243.77184.70114.94534.77415.6456
H41.11231.77461.77892.18112.80113.04793.00343.30474.48064.72584.93695.2274
C51.50572.17102.17282.18111.09701.50822.15702.14752.56032.83552.83923.5136
H62.24263.11182.49912.80111.09702.24042.79103.09432.75862.62882.96403.8197
C72.62672.84963.54443.04791.50822.24041.11411.10791.54742.20012.19792.2046
H82.99433.28964.00243.00342.15702.79101.11411.76112.17862.55003.10412.5126
H92.80692.57913.77183.30472.14753.09431.10791.76112.18703.11002.55642.5306
C103.96384.23824.70114.48062.56032.75861.54742.17862.18701.10361.10261.1029
H114.31784.82974.94534.72582.83552.62882.20012.55003.11001.10361.78021.7808
H124.20174.38324.77414.93692.83922.96402.19793.10412.55641.10261.78021.7838
H134.80794.94365.64565.22743.51363.81972.20462.51262.53061.10291.78081.7838

picture of 2-Butyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 118.156 C1 C5 C7 121.275
H2 C1 H3 108.014 H2 C1 H4 106.288
H2 C1 C5 111.564 H3 C1 H4 106.835
H3 C1 C5 111.869 H4 C1 C5 111.963
C5 C7 H8 109.775 C5 C7 H9 109.392
C5 C7 C10 113.840 H6 C5 C7 117.765
C7 C10 H11 111.077 C7 C10 H12 110.962
C7 C10 H13 111.474 H8 C7 H9 104.854
H8 C7 C10 108.795 H9 C7 C10 109.799
H11 C10 H12 107.585 H11 C10 H13 107.618
H12 C10 H13 107.952
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 -0.436      
2 H 0.134      
3 H 0.136      
4 H 0.135      
5 C -0.061      
6 H 0.100      
7 C -0.233      
8 H 0.121      
9 H 0.119      
10 C -0.404      
11 H 0.129      
12 H 0.134      
13 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.073 -0.147 0.148 0.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.270 0.152 -0.071
y 0.152 -27.130 0.346
z -0.071 0.346 -27.742
Traceless
 xyz
x 0.166 0.152 -0.071
y 0.152 0.376 0.346
z -0.071 0.346 -0.541
Polar
3z2-r2-1.083
x2-y2-0.140
xy0.152
xz-0.071
yz0.346


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.992 0.065 -0.073
y 0.065 6.318 0.092
z -0.073 0.092 5.458


<r2> (average value of r2) Å2
<r2> 118.428
(<r2>)1/2 10.882