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

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A"
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-157.751849
Energy at 298.15K-157.760221
HF Energy-157.751849
Nuclear repulsion energy125.195817
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 B97D3/TZVP
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 2984 2941 45.95      
2 A1 2881 2840 100.31      
3 A1 1462 1441 19.21      
4 A1 1400 1380 1.58      
5 A1 1074 1059 0.11      
6 A1 750 739 1.20      
7 A1 263 259 3.69      
8 A2 3028 2984 0.00      
9 A2 1442 1422 0.00      
10 A2 954 940 0.00      
11 A2 124 122 0.00      
12 E 3033 2989 57.68      
12 E 3033 2989 57.65      
13 E 2982 2939 26.88      
13 E 2982 2939 26.88      
14 E 2870 2829 45.21      
14 E 2870 2829 45.20      
15 E 1468 1446 2.77      
15 E 1468 1446 2.77      
16 E 1443 1423 3.11      
16 E 1443 1423 3.11      
17 E 1370 1351 3.12      
17 E 1370 1351 3.12      
18 E 1271 1253 6.49      
18 E 1271 1253 6.49      
19 E 990 976 1.90      
19 E 990 976 1.91      
20 E 921 908 0.97      
20 E 921 908 0.97      
21 E 380 375 0.12      
21 E 380 375 0.12      
22 E 128 126 0.02      
22 E 128 126 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25036.5 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 24676.0 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 B97D3/TZVP
ABC
0.26661 0.26661 0.14462

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.146
C2 0.000 1.485 -0.014
C3 1.286 -0.742 -0.014
C4 -1.286 -0.742 -0.014
H5 0.000 1.785 -1.081
H6 1.546 -0.892 -1.081
H7 -1.546 -0.892 -1.081
H8 -0.890 1.942 0.437
H9 0.890 1.942 0.437
H10 2.127 -0.200 0.437
H11 1.237 -1.742 0.437
H12 -1.237 -1.742 0.437
H13 -2.127 -0.200 0.437

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49321.49321.49322.16622.16622.16622.15572.15572.15572.15572.15572.1557
C21.49322.57132.57131.10793.02943.02941.09781.09782.75053.48453.48452.7505
C31.49322.57132.57133.02941.10793.02943.48452.75051.09781.09782.75053.4845
C41.49322.57132.57133.02943.02941.10792.75053.48453.48452.75051.09781.0978
H52.16621.10793.02943.02943.09173.09171.76691.76693.28164.03384.03383.2816
H62.16623.02941.10793.02943.09173.09174.03383.28161.76691.76693.28164.0338
H72.16623.02943.02941.10793.09173.09173.28164.03384.03383.28161.76691.7669
H82.15571.09783.48452.75051.76694.03383.28161.77983.69964.25323.69962.4733
H92.15571.09782.75053.48451.76693.28164.03381.77982.47333.69964.25323.6996
H102.15572.75051.09783.48453.28161.76694.03383.69962.47331.77983.69964.2532
H112.15573.48451.09782.75054.03381.76693.28164.25323.69961.77982.47343.6996
H122.15573.48452.75051.09784.03383.28161.76693.69964.25323.69962.47341.7798
H132.15572.75053.48451.09783.28164.03381.76692.47333.69964.25323.69961.7798

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 111.921 C1 C2 H8 111.696
C1 C2 H9 111.696 C1 C3 H6 111.921
C1 C3 H10 111.696 C1 C3 H11 111.696
C1 C4 H7 111.921 C1 C4 H12 111.696
C1 C4 H13 111.696 C2 C1 C3 118.854
C2 C1 C4 118.854 C3 C1 C4 118.854
H5 C2 H8 106.459 H5 C2 H9 106.459
H6 C3 H10 106.459 H6 C3 H11 106.459
H7 C4 H12 106.459 H7 C4 H13 106.459
H8 C2 H9 108.308 H10 C3 H11 108.308
H12 C4 H13 108.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C -0.308      
3 C -0.308      
4 C -0.308      
5 H 0.101      
6 H 0.101      
7 H 0.101      
8 H 0.111      
9 H 0.111      
10 H 0.111      
11 H 0.111      
12 H 0.111      
13 H 0.111      


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 -0.216 0.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.664 0.000 0.000
y 0.000 -27.664 0.000
z 0.000 0.000 -28.446
Traceless
 xyz
x 0.391 0.000 0.000
y 0.000 0.391 0.000
z 0.000 0.000 -0.782
Polar
3z2-r2-1.563
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 8.258 0.000 0.000
y 0.000 8.259 -0.000
z 0.000 -0.000 6.697


<r2> (average value of r2) Å2
<r2> 98.830
(<r2>)1/2 9.941