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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-157.683194
Energy at 298.15K-157.691503
HF Energy-157.683194
Nuclear repulsion energy124.132040
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 2966 2942 43.54      
2 A1 2855 2832 99.86      
3 A1 1478 1466 12.42      
4 A1 1419 1407 0.81      
5 A1 1079 1070 0.27      
6 A1 738 732 0.59      
7 A1 251 249 2.98      
8 A2 3005 2980 0.00      
9 A2 1464 1452 0.00      
10 A2 959 952 0.00      
11 A2 136 135 0.00      
12 E 3010 2986 57.55      
12 E 3010 2986 57.55      
13 E 2962 2938 26.63      
13 E 2962 2938 26.62      
14 E 2844 2821 39.33      
14 E 2844 2821 39.33      
15 E 1486 1474 1.95      
15 E 1486 1474 1.95      
16 E 1461 1450 1.98      
16 E 1461 1450 1.98      
17 E 1388 1377 0.23      
17 E 1388 1377 0.23      
18 E 1268 1257 7.55      
18 E 1268 1257 7.56      
19 E 989 981 2.24      
19 E 989 981 2.24      
20 E 927 919 0.83      
20 E 927 919 0.83      
21 E 374 371 0.09      
21 E 374 371 0.09      
22 E 123 122 0.00      
22 E 123 122 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25005.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 24803.3 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
0.26186 0.26186 0.14185

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 0.140
C2 0.000 1.499 -0.014
C3 1.298 -0.749 -0.014
C4 -1.298 -0.749 -0.014
H5 0.000 1.816 -1.083
H6 1.572 -0.908 -1.083
H7 -1.572 -0.908 -1.083
H8 -0.895 1.960 0.443
H9 0.895 1.960 0.443
H10 2.145 -0.205 0.443
H11 1.250 -1.755 0.443
H12 -1.250 -1.755 0.443
H13 -2.145 -0.205 0.443

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50671.50671.50672.18902.18902.18902.17572.17572.17572.17572.17572.1757
C21.50672.59612.59611.11553.06733.06731.10521.10522.77713.51533.51532.7771
C31.50672.59612.59613.06731.11553.06733.51532.77711.10521.10522.77713.5153
C41.50672.59612.59613.06733.06731.11552.77713.51533.51532.77711.10521.1052
H52.18901.11553.06733.06733.14483.14481.77501.77503.31864.07924.07923.3186
H62.18903.06731.11553.06733.14483.14484.07923.31861.77501.77503.31864.0792
H72.18903.06733.06731.11553.14483.14483.31864.07924.07923.31861.77501.7750
H82.17571.10523.51532.77711.77504.07923.31861.78923.73174.28943.73172.5002
H92.17571.10522.77713.51531.77503.31864.07921.78922.50023.73174.28943.7317
H102.17572.77711.10523.51533.31861.77504.07923.73172.50021.78923.73174.2894
H112.17573.51531.10522.77714.07921.77503.31864.28943.73171.78922.50023.7317
H122.17573.51532.77711.10524.07923.31861.77503.73174.28943.73172.50021.7892
H132.17572.77713.51531.10523.31864.07921.77502.50023.73174.28943.73171.7892

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 112.335 C1 C2 H8 111.904
C1 C2 H9 111.904 C1 C3 H6 112.335
C1 C3 H10 111.904 C1 C3 H11 111.904
C1 C4 H7 112.335 C1 C4 H12 111.904
C1 C4 H13 111.904 C2 C1 C3 118.979
C2 C1 C4 118.979 C3 C1 C4 118.979
H5 C2 H8 106.122 H5 C2 H9 106.122
H6 C3 H10 106.122 H6 C3 H11 106.122
H7 C4 H12 106.122 H7 C4 H13 106.122
H8 C2 H9 108.084 H10 C3 H11 108.084
H12 C4 H13 108.084
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 0.175      
2 C -0.451      
3 C -0.451      
4 C -0.451      
5 H 0.130      
6 H 0.130      
7 H 0.130      
8 H 0.132      
9 H 0.132      
10 H 0.132      
11 H 0.132      
12 H 0.132      
13 H 0.132      


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 -0.175 0.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.200 0.000 0.000
y 0.000 -27.200 0.000
z 0.000 0.000 -27.920
Traceless
 xyz
x 0.360 0.000 0.000
y 0.000 0.360 0.000
z 0.000 0.000 -0.720
Polar
3z2-r2-1.440
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 7.256 0.000 0.000
y 0.000 7.256 0.000
z 0.000 0.000 5.509


<r2> (average value of r2) Å2
<r2> 100.084
(<r2>)1/2 10.004