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All results from a given calculation for C(CH3)3 (Tert-butyl radical)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A"
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-156.735763
Energy at 298.15K-156.744524
HF Energy-156.735763
Nuclear repulsion energy125.625738
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/Def2TZVPP
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 3184 2886 57.20      
2 A1 3097 2808 94.85      
3 A1 1613 1462 17.19      
4 A1 1546 1401 2.24      
5 A1 1196 1084 1.19      
6 A1 793 719 1.35      
7 A1 301 273 2.66      
8 A2 3210 2910 0.00      
9 A2 1588 1439 0.00      
10 A2 1043 945 0.00      
11 A2 142 129 0.00      
12 E 3218 2917 69.31      
12 E 3218 2917 69.31      
13 E 3177 2879 23.09      
13 E 3177 2879 23.09      
14 E 3089 2800 29.50      
14 E 3089 2800 29.50      
15 E 1608 1458 3.33      
15 E 1608 1458 3.33      
16 E 1593 1444 2.00      
16 E 1593 1444 2.00      
17 E 1523 1380 3.61      
17 E 1523 1380 3.61      
18 E 1377 1248 5.15      
18 E 1377 1248 5.15      
19 E 1077 976 1.46      
19 E 1077 976 1.46      
20 E 1011 916 0.05      
20 E 1011 916 0.05      
21 E 397 359 0.12      
21 E 397 359 0.12      
22 E 164 149 0.02      
22 E 164 149 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 27090.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 24554.7 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/Def2TZVPP
ABC
0.26761 0.26761 0.14555

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.174
C2 0.000 1.484 -0.019
C3 1.285 -0.742 -0.019
C4 -1.285 -0.742 -0.019
H5 0.000 1.755 -1.077
H6 1.520 -0.878 -1.077
H7 -1.520 -0.878 -1.077
H8 -0.877 1.942 0.422
H9 0.877 1.942 0.422
H10 2.120 -0.212 0.422
H11 1.243 -1.731 0.422
H12 -1.243 -1.731 0.422
H13 -2.120 -0.212 0.422

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49611.49611.49612.15552.15552.15552.14542.14542.14542.14542.14542.1454
C21.49612.56972.56971.09233.00093.00091.08361.08362.75043.47453.47452.7504
C31.49612.56972.56973.00091.09233.00093.47452.75041.08361.08362.75043.4745
C41.49612.56972.56973.00093.00091.09232.75043.47453.47452.75041.08361.0836
H52.15551.09233.00093.00093.04023.04021.74691.74693.25773.99313.99313.2577
H62.15553.00091.09233.00093.04023.04023.99313.25771.74691.74693.25773.9931
H72.15553.00093.00091.09233.04023.04023.25773.99313.99313.25771.74691.7469
H82.14541.08363.47452.75041.74693.99313.25771.75413.69104.24103.69102.4869
H92.14541.08362.75043.47451.74693.25773.99311.75412.48693.69104.24103.6910
H102.14542.75041.08363.47453.25771.74693.99313.69102.48691.75413.69104.2410
H112.14543.47451.08362.75043.99311.74693.25774.24103.69101.75412.48693.6910
H122.14543.47452.75041.08363.99313.25771.74693.69104.24103.69102.48691.7541
H132.14542.75043.47451.08363.25773.99311.74692.48693.69104.24103.69101.7541

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 111.821 C1 C2 H8 111.535
C1 C2 H9 111.535 C1 C3 H6 111.821
C1 C3 H10 111.535 C1 C3 H11 111.535
C1 C4 H7 111.821 C1 C4 H12 111.535
C1 C4 H13 111.535 C2 C1 C3 118.358
C2 C1 C4 118.358 C3 C1 C4 118.359
H5 C2 H8 106.807 H5 C2 H9 106.807
H6 C3 H10 106.807 H6 C3 H11 106.807
H7 C4 H12 106.807 H7 C4 H13 106.807
H8 C2 H9 108.070 H10 C3 H11 108.070
H12 C4 H13 108.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.001      
2 C -0.164      
3 C -0.164      
4 C -0.164      
5 H 0.047      
6 H 0.047      
7 H 0.047      
8 H 0.058      
9 H 0.058      
10 H 0.058      
11 H 0.058      
12 H 0.058      
13 H 0.058      


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 -0.232 0.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.794 0.000 0.000
y 0.000 -27.794 0.000
z 0.000 0.000 -28.299
Traceless
 xyz
x 0.253 0.000 0.000
y 0.000 0.253 0.000
z 0.000 0.000 -0.505
Polar
3z2-r2-1.010
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 7.390 0.000 0.000
y 0.000 7.390 0.000
z 0.000 0.000 6.214


<r2> (average value of r2) Å2
<r2> 98.213
(<r2>)1/2 9.910