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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A"
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-157.748315
Energy at 298.15K-157.756700
Nuclear repulsion energy125.029998
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 B3PW91/cc-pVDZ
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 3059 2952 43.87      
2 A1 2956 2852 62.30      
3 A1 1456 1405 18.14      
4 A1 1397 1348 2.69      
5 A1 1074 1036 0.15      
6 A1 775 748 1.05      
7 A1 262 253 3.47      
8 A2 3110 3001 0.00      
9 A2 1434 1384 0.00      
10 A2 952 919 0.00      
11 A2 125 121 0.00      
12 E 3113 3004 39.12      
12 E 3113 3004 39.12      
13 E 3058 2951 16.81      
13 E 3058 2951 16.81      
14 E 2946 2843 41.44      
14 E 2946 2843 41.44      
15 E 1463 1412 1.60      
15 E 1463 1412 1.60      
16 E 1437 1387 4.30      
16 E 1437 1387 4.30      
17 E 1376 1328 4.45      
17 E 1376 1328 4.45      
18 E 1296 1251 5.84      
18 E 1296 1251 5.85      
19 E 1004 969 2.67      
19 E 1004 969 2.67      
20 E 918 886 0.42      
20 E 918 886 0.42      
21 E 379 365 0.08      
21 E 379 365 0.08      
22 E 128 124 0.00      
22 E 128 124 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25418.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 24529.0 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 B3PW91/cc-pVDZ
ABC
0.26624 0.26624 0.14449

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.147
C2 0.000 1.484 -0.014
C3 1.285 -0.742 -0.014
C4 -1.285 -0.742 -0.014
H5 0.000 1.786 -1.085
H6 1.547 -0.893 -1.085
H7 -1.547 -0.893 -1.085
H8 -0.893 1.947 0.438
H9 0.893 1.947 0.438
H10 2.132 -0.200 0.438
H11 1.239 -1.747 0.438
H12 -1.239 -1.747 0.438
H13 -2.132 -0.200 0.438

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49291.49291.49292.17022.17022.17022.16122.16122.16122.16122.16122.1612
C21.49292.57052.57051.11263.03163.03161.10271.10272.75453.48963.48962.7545
C31.49292.57052.57053.03161.11263.03163.48962.75451.10271.10272.75453.4896
C41.49292.57052.57053.03163.03161.11262.75453.48963.48962.75451.10271.1027
H52.17021.11263.03163.03163.09383.09381.77291.77293.28814.04194.04193.2881
H62.17023.03161.11263.03163.09383.09384.04193.28811.77291.77293.28814.0419
H72.17023.03163.03161.11263.09383.09383.28814.04194.04193.28811.77291.7729
H82.16121.10273.48962.75451.77294.04193.28811.78583.70934.26443.70932.4785
H92.16121.10272.75453.48961.77293.28814.04191.78582.47853.70934.26443.7093
H102.16122.75451.10273.48963.28811.77294.04193.70932.47851.78583.70934.2644
H112.16123.48961.10272.75454.04191.77293.28814.26443.70931.78582.47863.7093
H122.16123.48962.75451.10274.04193.28811.77293.70934.26443.70932.47861.7858
H132.16122.75453.48961.10273.28814.04191.77292.47853.70934.26443.70931.7858

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 111.978 C1 C2 H8 111.866
C1 C2 H9 111.866 C1 C3 H6 111.978
C1 C3 H10 111.866 C1 C3 H11 111.866
C1 C4 H7 111.978 C1 C4 H12 111.866
C1 C4 H13 111.866 C2 C1 C3 118.842
C2 C1 C4 118.842 C3 C1 C4 118.842
H5 C2 H8 106.323 H5 C2 H9 106.323
H6 C3 H10 106.323 H6 C3 H11 106.323
H7 C4 H12 106.323 H7 C4 H13 106.323
H8 C2 H9 108.146 H10 C3 H11 108.146
H12 C4 H13 108.146
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 C -0.026      
3 C -0.026      
4 C -0.026      
5 H 0.045      
6 H 0.045      
7 H 0.045      
8 H 0.041      
9 H 0.041      
10 H 0.041      
11 H 0.041      
12 H 0.041      
13 H 0.041      


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 -0.211 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.086 0.000 0.000
y 0.000 -27.086 0.000
z 0.000 0.000 -27.956
Traceless
 xyz
x 0.435 0.000 0.000
y 0.000 0.435 0.000
z 0.000 0.000 -0.870
Polar
3z2-r2-1.740
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> 98.651
(<r2>)1/2 9.932