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

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-156.826577
Energy at 298.15K-156.834946
Nuclear repulsion energy123.859443
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/3-21G
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 2971 2955 36.39      
2 A1 2865 2849 79.37      
3 A1 1519 1511 18.26      
4 A1 1439 1431 0.80      
5 A1 1103 1097 1.98      
6 A1 713 709 0.60      
7 A1 237 235 5.18      
8 A2 3007 2991 0.00      
9 A2 1502 1494 0.00      
10 A2 986 981 0.00      
11 A2 146 146 0.00      
12 E 3014 2997 46.95      
12 E 3014 2997 46.94      
13 E 2967 2951 22.18      
13 E 2967 2951 22.17      
14 E 2855 2839 27.74      
14 E 2855 2839 27.74      
15 E 1525 1516 3.46      
15 E 1525 1516 3.46      
16 E 1499 1491 2.31      
16 E 1499 1491 2.31      
17 E 1411 1403 2.63      
17 E 1411 1403 2.63      
18 E 1256 1249 12.15      
18 E 1256 1249 12.14      
19 E 989 984 2.34      
19 E 989 984 2.34      
20 E 945 940 0.08      
20 E 945 940 0.08      
21 E 371 369 0.02      
21 E 371 369 0.02      
22 E 129 128 0.00      
22 E 129 128 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25204.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 25066.3 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/3-21G
ABC
0.26048 0.26048 0.14133

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.158
C2 0.000 1.504 -0.017
C3 1.303 -0.752 -0.017
C4 -1.303 -0.752 -0.017
H5 0.000 1.794 -1.093
H6 1.554 -0.897 -1.093
H7 -1.554 -0.897 -1.093
H8 -0.897 1.960 0.439
H9 0.897 1.960 0.439
H10 2.146 -0.203 0.439
H11 1.249 -1.757 0.439
H12 -1.249 -1.757 0.439
H13 -2.146 -0.203 0.439

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51421.51421.51422.18712.18712.18712.17402.17402.17402.17402.17402.1740
C21.51422.60512.60511.11483.05583.05581.10461.10462.78023.52173.52172.7802
C31.51422.60512.60513.05581.11483.05583.52172.78021.10461.10462.78023.5217
C41.51422.60512.60513.05583.05581.11482.78023.52173.52172.78021.10461.1046
H52.18711.11483.05583.05583.10743.10741.78311.78313.30814.06414.06413.3081
H62.18713.05581.11483.05583.10743.10744.06413.30811.78311.78313.30814.0641
H72.18713.05583.05581.11483.10743.10743.30814.06414.06413.30811.78311.7831
H82.17401.10463.52172.78021.78314.06413.30811.79373.73394.29233.73392.4986
H92.17401.10462.78023.52171.78313.30814.06411.79372.49863.73394.29233.7339
H102.17402.78021.10463.52173.30811.78314.06413.73392.49861.79373.73394.2923
H112.17403.52171.10462.78024.06411.78313.30814.29233.73391.79372.49863.7339
H122.17403.52172.78021.10464.06413.30811.78313.73394.29233.73392.49861.7937
H132.17402.78023.52171.10463.30814.06411.78312.49863.73394.29233.73391.7937

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 111.697 C1 C2 H8 111.268
C1 C2 H9 111.268 C1 C3 H6 111.697
C1 C3 H10 111.269 C1 C3 H11 111.268
C1 C4 H7 111.697 C1 C4 H12 111.268
C1 C4 H13 111.269 C2 C1 C3 118.690
C2 C1 C4 118.690 C3 C1 C4 118.690
H5 C2 H8 106.913 H5 C2 H9 106.913
H6 C3 H10 106.913 H6 C3 H11 106.913
H7 C4 H12 106.913 H7 C4 H13 106.913
H8 C2 H9 108.564 H10 C3 H11 108.564
H12 C4 H13 108.564
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.065      
2 C -0.556      
3 C -0.556      
4 C -0.556      
5 H 0.177      
6 H 0.177      
7 H 0.177      
8 H 0.179      
9 H 0.179      
10 H 0.179      
11 H 0.179      
12 H 0.179      
13 H 0.179      


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 -0.272 0.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.001 0.000 0.000
y 0.000 -27.001 0.000
z 0.000 0.000 -28.219
Traceless
 xyz
x 0.609 0.000 0.000
y 0.000 0.609 0.000
z 0.000 0.000 -1.218
Polar
3z2-r2-2.436
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> 100.274
(<r2>)1/2 10.014