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All results from a given calculation for C(CH3)3 (Tert-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 C3V 2A"
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-157.695773
Energy at 298.15K-157.704092
Nuclear repulsion energy124.225227
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 A1 2968 2945 44.32      
2 A1 2859 2837 93.58      
3 A1 1463 1452 11.32      
4 A1 1402 1392 0.96      
5 A1 1069 1060 0.21      
6 A1 737 731 0.63      
7 A1 254 252 3.02      
8 A2 3010 2987 0.00      
9 A2 1446 1435 0.00      
10 A2 950 943 0.00      
11 A2 136 135 0.00      
12 E 3015 2991 54.55      
12 E 3015 2991 54.56      
13 E 2964 2941 24.79      
13 E 2964 2941 24.78      
14 E 2848 2826 39.35      
14 E 2848 2826 39.35      
15 E 1470 1459 1.47      
15 E 1470 1459 1.47      
16 E 1446 1434 2.00      
16 E 1446 1434 2.00      
17 E 1372 1362 0.27      
17 E 1372 1362 0.27      
18 E 1260 1251 7.68      
18 E 1260 1251 7.69      
19 E 983 975 2.16      
19 E 983 975 2.16      
20 E 917 910 0.87      
20 E 917 910 0.87      
21 E 374 371 0.08      
21 E 374 371 0.08      
22 E 125 124 0.00      
22 E 125 124 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24918.9 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 24727.1 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/6-31G**
ABC
0.26221 0.26221 0.14204

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.138
C2 0.000 1.497 -0.013
C3 1.297 -0.749 -0.013
C4 -1.297 -0.749 -0.013
H5 0.000 1.816 -1.081
H6 1.573 -0.908 -1.081
H7 -1.573 -0.908 -1.081
H8 -0.894 1.957 0.443
H9 0.894 1.957 0.443
H10 2.141 -0.204 0.443
H11 1.247 -1.752 0.443
H12 -1.247 -1.752 0.443
H13 -2.141 -0.204 0.443

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50511.50511.50512.18742.18742.18742.17262.17262.17262.17262.17262.1726
C21.50512.59372.59371.11433.06603.06601.10381.10382.77303.51093.51092.7730
C31.50512.59372.59373.06601.11433.06603.51092.77301.10381.10382.77303.5109
C41.50512.59372.59373.06603.06601.11432.77303.51093.51092.77301.10381.1038
H52.18741.11433.06603.06603.14553.14551.77281.77283.31534.07614.07613.3153
H62.18743.06601.11433.06603.14553.14554.07613.31531.77281.77283.31534.0761
H72.18743.06603.06601.11433.14553.14553.31534.07614.07613.31531.77281.7728
H82.17261.10383.51092.77301.77284.07613.31531.78773.72574.28273.72572.4950
H92.17261.10382.77303.51091.77283.31534.07611.78772.49503.72574.28273.7257
H102.17262.77301.10383.51093.31531.77284.07613.72572.49501.78773.72574.2827
H112.17263.51091.10382.77304.07611.77283.31534.28273.72571.78772.49503.7257
H122.17263.51092.77301.10384.07613.31531.77283.72574.28273.72572.49501.7877
H132.17262.77303.51091.10383.31534.07611.77282.49503.72574.28273.72571.7877

picture of Tert-butyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 112.386 C1 C2 H8 111.850
C1 C2 H9 111.850 C1 C3 H6 112.386
C1 C3 H10 111.850 C1 C3 H11 111.849
C1 C4 H7 112.386 C1 C4 H12 111.849
C1 C4 H13 111.850 C2 C1 C3 119.001
C2 C1 C4 119.001 C3 C1 C4 119.001
H5 C2 H8 106.117 H5 C2 H9 106.117
H6 C3 H10 106.117 H6 C3 H11 106.117
H7 C4 H12 106.117 H7 C4 H13 106.117
H8 C2 H9 108.157 H10 C3 H11 108.157
H12 C4 H13 108.157
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 0.115      
2 C -0.314      
3 C -0.314      
4 C -0.314      
5 H 0.092      
6 H 0.092      
7 H 0.092      
8 H 0.092      
9 H 0.092      
10 H 0.092      
11 H 0.092      
12 H 0.092      
13 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.183 0.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.154 0.000 0.000
y 0.000 -27.154 0.000
z 0.000 0.000 -27.944
Traceless
 xyz
x 0.395 0.000 0.000
y 0.000 0.395 0.000
z 0.000 0.000 -0.790
Polar
3z2-r2-1.581
x2-y20.000
xy0.000
xz0.000
yz0.000


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> 99.948
(<r2>)1/2 9.997