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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A"
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-157.826282
Energy at 298.15K-157.834629
HF Energy-157.826282
Nuclear repulsion energy124.951289
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 TPSSh/6-31G(2df,p)
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 3040 2934 49.46      
2 A1 2945 2842 72.23      
3 A1 1499 1447 11.93      
4 A1 1431 1380 0.77      
5 A1 1089 1051 0.01      
6 A1 754 728 0.54      
7 A1 252 244 3.04      
8 A2 3084 2976 0.00      
9 A2 1482 1430 0.00      
10 A2 964 930 0.00      
11 A2 130 125 0.00      
12 E 3088 2980 52.19      
12 E 3088 2980 52.18      
13 E 3038 2932 22.11      
13 E 3038 2932 22.11      
14 E 2936 2833 37.60      
14 E 2936 2833 37.60      
15 E 1506 1453 1.76      
15 E 1506 1453 1.76      
16 E 1481 1429 1.76      
16 E 1481 1429 1.76      
17 E 1400 1351 0.80      
17 E 1400 1351 0.80      
18 E 1294 1249 7.27      
18 E 1294 1249 7.27      
19 E 1008 973 1.63      
19 E 1008 973 1.63      
20 E 934 901 0.78      
20 E 934 901 0.78      
21 E 364 351 0.13      
21 E 364 351 0.13      
22 E 125 121 0.00      
22 E 125 121 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25508.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 24615.6 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 TPSSh/6-31G(2df,p)
ABC
0.26514 0.26514 0.14367

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.142
C2 0.000 1.490 -0.014
C3 1.290 -0.745 -0.014
C4 -1.290 -0.745 -0.014
H5 0.000 1.797 -1.077
H6 1.556 -0.898 -1.077
H7 -1.556 -0.898 -1.077
H8 -0.888 1.944 0.440
H9 0.888 1.944 0.440
H10 2.128 -0.203 0.440
H11 1.239 -1.741 0.440
H12 -1.239 -1.741 0.440
H13 -2.128 -0.203 0.440

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49771.49771.49772.17112.17112.17112.15812.15812.15812.15812.15812.1581
C21.49772.57992.57991.10573.04183.04181.09651.09652.75633.49023.49022.7563
C31.49772.57992.57993.04181.10573.04183.49022.75631.09651.09652.75633.4902
C41.49772.57992.57993.04183.04181.10572.75633.49023.49022.75631.09651.0965
H52.17111.10573.04183.04183.11253.11251.76371.76373.29024.04424.04423.2902
H62.17113.04181.10573.04183.11253.11254.04423.29021.76371.76373.29024.0442
H72.17113.04183.04181.10573.11253.11253.29024.04424.04423.29021.76371.7637
H82.15811.09653.49022.75631.76374.04423.29021.77693.70214.25553.70212.4786
H92.15811.09652.75633.49021.76373.29024.04421.77692.47863.70214.25553.7021
H102.15812.75631.09653.49023.29021.76374.04423.70212.47861.77693.70214.2555
H112.15813.49021.09652.75634.04421.76373.29024.25553.70211.77692.47863.7021
H122.15813.49022.75631.09654.04423.29021.76373.70214.25553.70212.47861.7769
H132.15812.75633.49021.09653.29024.04421.76372.47863.70214.25553.70211.7769

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 112.140 C1 C2 H8 111.650
C1 C2 H9 111.650 C1 C3 H6 112.140
C1 C3 H10 111.650 C1 C3 H11 111.650
C1 C4 H7 112.140 C1 C4 H12 111.650
C1 C4 H13 111.650 C2 C1 C3 118.924
C2 C1 C4 118.924 C3 C1 C4 118.924
H5 C2 H8 106.426 H5 C2 H9 106.426
H6 C3 H10 106.426 H6 C3 H11 106.426
H7 C4 H12 106.426 H7 C4 H13 106.426
H8 C2 H9 108.241 H10 C3 H11 108.241
H12 C4 H13 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability