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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-157.195794
Energy at 298.15K-157.204473
HF Energy-156.674364
Nuclear repulsion energy125.576675
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=FULL/6-31G*
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 3137 2955 47.32      
2 A1 3043 2868 37.56      
3 A1 1557 1467 19.00      
4 A1 1485 1399 1.82      
5 A1 1157 1090 0.00      
6 A1 793 747 0.98      
7 A1 282 266 3.66      
8 A2 3182 2998 0.00      
9 A2 1540 1451 0.00      
10 A2 1002 944 0.00      
11 A2 165 155 0.00      
12 E 3186 3002 36.37      
12 E 3186 3002 36.37      
13 E 3136 2955 10.16      
13 E 3136 2955 10.16      
14 E 3038 2863 25.89      
14 E 3038 2863 25.89      
15 E 1562 1472 3.14      
15 E 1562 1472 3.14      
16 E 1539 1450 3.08      
16 E 1539 1450 3.08      
17 E 1462 1378 6.80      
17 E 1462 1378 6.80      
18 E 1352 1273 4.74      
18 E 1352 1273 4.74      
19 E 1051 990 2.32      
19 E 1051 990 2.32      
20 E 974 917 0.16      
20 E 974 917 0.16      
21 E 388 366 0.04      
21 E 388 366 0.04      
22 E 165 156 0.00      
22 E 165 156 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26523.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 24990.8 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=FULL/6-31G*
ABC
0.26840 0.26840 0.14610

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.191
C2 0.000 1.478 -0.021
C3 1.280 -0.739 -0.021
C4 -1.280 -0.739 -0.021
H5 0.000 1.733 -1.093
H6 1.501 -0.866 -1.093
H7 -1.501 -0.866 -1.093
H8 -0.887 1.945 0.418
H9 0.887 1.945 0.418
H10 2.128 -0.204 0.418
H11 1.241 -1.741 0.418
H12 -1.241 -1.741 0.418
H13 -2.128 -0.204 0.418

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49331.49331.49332.15702.15702.15702.15002.15002.15002.15002.15002.1500
C21.49332.56032.56031.10242.98322.98321.09441.09442.74833.47783.47782.7483
C31.49332.56032.56032.98321.10242.98323.47782.74831.09441.09442.74833.4778
C41.49332.56032.56032.98322.98321.10242.74833.47783.47782.74831.09441.0944
H52.15701.10242.98322.98323.00143.00141.76561.76563.25073.98653.98653.2507
H62.15702.98321.10242.98323.00143.00143.98653.25071.76561.76563.25073.9865
H72.15702.98322.98321.10243.00143.00143.25073.98653.98653.25071.76561.7656
H82.15001.09443.47782.74831.76563.98653.25071.77413.70304.25633.70302.4822
H92.15001.09442.74833.47781.76563.25073.98651.77412.48223.70304.25633.7030
H102.15002.74831.09443.47783.25071.76563.98653.70302.48221.77413.70304.2563
H112.15003.47781.09442.74833.98651.76563.25074.25633.70301.77412.48223.7030
H122.15003.47782.74831.09443.98653.25071.76563.70304.25633.70302.48221.7741
H132.15002.74833.47781.09443.25073.98651.76562.48223.70304.25633.70301.7741

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 111.514 C1 C2 H8 111.435
C1 C2 H9 111.435 C1 C3 H6 111.514
C1 C3 H10 111.435 C1 C3 H11 111.435
C1 C4 H7 111.514 C1 C4 H12 111.435
C1 C4 H13 111.435 C2 C1 C3 118.020
C2 C1 C4 118.020 C3 C1 C4 118.020
H5 C2 H8 106.969 H5 C2 H9 106.969
H6 C3 H10 106.970 H6 C3 H11 106.970
H7 C4 H12 106.970 H7 C4 H13 106.970
H8 C2 H9 108.287 H10 C3 H11 108.287
H12 C4 H13 108.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability