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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-157.153946
Energy at 298.15K-157.162618
HF Energy-156.674759
Nuclear repulsion energy125.487177
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3177 2935 54.24      
2 A1 3092 2856 50.37      
3 A1 1584 1463 17.64      
4 A1 1518 1402 1.56      
5 A1 1173 1083 0.04      
6 A1 799 738 0.92      
7 A1 281 260 3.37      
8 A2 3214 2969 0.00      
9 A2 1566 1446 0.00      
10 A2 1020 942 0.00      
11 A2 153 141 0.00      
12 E 3220 2974 46.07      
12 E 3220 2974 46.08      
13 E 3173 2931 12.78      
13 E 3173 2931 12.79      
14 E 3084 2849 27.54      
14 E 3084 2849 27.55      
15 E 1587 1466 3.05      
15 E 1587 1466 3.05      
16 E 1566 1446 2.79      
16 E 1566 1446 2.79      
17 E 1497 1383 5.79      
17 E 1497 1383 5.78      
18 E 1371 1267 4.55      
18 E 1371 1267 4.54      
19 E 1065 984 2.32      
19 E 1065 984 2.32      
20 E 994 918 0.10      
20 E 994 918 0.10      
21 E 392 362 0.06      
21 E 392 362 0.06      
22 E 158 146 0.01      
22 E 158 146 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26894.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 24842.3 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 CID/6-31G*
ABC
0.26753 0.26753 0.14548

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.187
C2 0.000 1.482 -0.021
C3 1.284 -0.741 -0.021
C4 -1.284 -0.741 -0.021
H5 0.000 1.740 -1.089
H6 1.507 -0.870 -1.089
H7 -1.507 -0.870 -1.089
H8 -0.884 1.946 0.420
H9 0.884 1.946 0.420
H10 2.127 -0.208 0.420
H11 1.244 -1.738 0.420
H12 -1.244 -1.738 0.420
H13 -2.127 -0.208 0.420

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49671.49671.49672.15692.15692.15692.15032.15032.15032.15032.15032.1503
C21.49672.56742.56741.09832.99042.99041.09101.09102.75273.48063.48062.7527
C31.49672.56742.56742.99041.09832.99043.48062.75271.09101.09102.75273.4806
C41.49672.56742.56742.99042.99041.09832.75273.48063.48062.75271.09101.0910
H52.15691.09832.99042.99043.01313.01311.76031.76033.25493.98993.98993.2549
H62.15692.99041.09832.99043.01313.01313.98993.25491.76031.76033.25493.9899
H72.15692.99042.99041.09833.01313.01313.25493.98993.98993.25491.76031.7603
H82.15031.09103.48062.75271.76033.98993.25491.76723.70244.25493.70242.4877
H92.15031.09102.75273.48061.76033.25493.98991.76722.48773.70244.25493.7024
H102.15032.75271.09103.48063.25491.76033.98993.70242.48771.76723.70244.2549
H112.15033.48061.09102.75273.98991.76033.25494.25493.70241.76722.48773.7024
H122.15033.48062.75271.09103.98993.25491.76033.70244.25493.70242.48771.7672
H132.15032.75273.48061.09103.25493.98991.76032.48773.70244.25493.70241.7672

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 111.515 C1 C2 H8 111.428
C1 C2 H9 111.428 C1 C3 H6 111.515
C1 C3 H10 111.428 C1 C3 H11 111.428
C1 C4 H7 111.515 C1 C4 H12 111.428
C1 C4 H13 111.428 C2 C1 C3 118.112
C2 C1 C4 118.112 C3 C1 C4 118.112
H5 C2 H8 107.033 H5 C2 H9 107.033
H6 C3 H10 107.033 H6 C3 H11 107.033
H7 C4 H12 107.033 H7 C4 H13 107.033
H8 C2 H9 108.175 H10 C3 H11 108.175
H12 C4 H13 108.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability