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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A"
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-156.959689
Energy at 298.15K-156.968048
HF Energy-156.627632
Nuclear repulsion energy123.118518
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 MP2/SDD
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 3065 2959 87.76      
2 A1 2968 2865 42.40      
3 A1 1531 1478 25.99      
4 A1 1471 1420 1.19      
5 A1 1144 1105 0.76      
6 A1 745 719 0.57      
7 A1 273 264 7.13      
8 A2 3108 3000 0.00      
9 A2 1521 1468 0.00      
10 A2 996 961 0.00      
11 A2 84 81 0.00      
12 E 3115 3007 59.77      
12 E 3115 3007 59.77      
13 E 3063 2956 12.67      
13 E 3063 2956 12.67      
14 E 2963 2860 45.15      
14 E 2963 2860 45.15      
15 E 1539 1486 5.57      
15 E 1539 1486 5.57      
16 E 1515 1463 4.52      
16 E 1515 1463 4.52      
17 E 1449 1399 13.23      
17 E 1449 1399 13.23      
18 E 1322 1276 11.68      
18 E 1322 1276 11.68      
19 E 1030 994 1.69      
19 E 1030 994 1.69      
20 E 972 938 0.00      
20 E 972 938 0.00      
21 E 374 361 0.01      
21 E 374 361 0.01      
22 E 130 125 0.00      
22 E 130 125 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25924.2 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 25024.6 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 MP2/SDD
ABC
0.25685 0.25685 0.13951

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.184
C2 0.000 1.516 -0.021
C3 1.313 -0.758 -0.021
C4 -1.313 -0.758 -0.021
H5 0.000 1.783 -1.102
H6 1.544 -0.892 -1.102
H7 -1.544 -0.892 -1.102
H8 -0.897 1.978 0.432
H9 0.897 1.978 0.432
H10 2.161 -0.212 0.432
H11 1.264 -1.765 0.432
H12 -1.264 -1.765 0.432
H13 -2.161 -0.212 0.432

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52961.52961.52962.19862.19862.19862.18552.18552.18552.18552.18552.1855
C21.52962.62542.62541.11343.05753.05751.10561.10562.80393.54533.54532.8039
C31.52962.62542.62543.05751.11343.05753.54532.80391.10561.10562.80393.5453
C41.52962.62542.62543.05753.05751.11342.80393.54533.54532.80391.10561.1056
H52.19861.11343.05753.05753.08873.08871.78711.78713.31744.06734.06733.3174
H62.19863.05751.11343.05753.08873.08874.06733.31741.78711.78713.31744.0673
H72.19863.05753.05751.11343.08873.08873.31744.06734.06733.31741.78711.7871
H82.18551.10563.54532.80391.78714.06733.31741.79313.76104.32203.76102.5289
H92.18551.10562.80393.54531.78713.31744.06731.79312.52893.76104.32203.7610
H102.18552.80391.10563.54533.31741.78714.06733.76102.52891.79313.76104.3220
H112.18553.54531.10562.80394.06731.78713.31744.32203.76101.79312.52893.7610
H122.18553.54532.80391.10564.06733.31741.78713.76104.32203.76102.52891.7931
H132.18552.80393.54531.10563.31744.06731.78712.52893.76104.32203.76101.7931

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 111.613 C1 C2 H8 111.042
C1 C2 H9 111.042 C1 C3 H6 111.613
C1 C3 H10 111.042 C1 C3 H11 111.042
C1 C4 H7 111.613 C1 C4 H12 111.042
C1 C4 H13 111.042 C2 C1 C3 118.229
C2 C1 C4 118.229 C3 C1 C4 118.229
H5 C2 H8 107.297 H5 C2 H9 107.297
H6 C3 H10 107.297 H6 C3 H11 107.298
H7 C4 H12 107.298 H7 C4 H13 107.297
H8 C2 H9 108.370 H10 C3 H11 108.370
H12 C4 H13 108.370
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability