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All results from a given calculation for CH3CHCH3 (Isopropyl radical)

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-118.313531
Energy at 298.15K-118.319733
HF Energy-117.687390
Nuclear repulsion energy76.063246
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/aug-cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3255 3113 16.74      
2 A' 3176 3038 12.32      
3 A' 3108 2972 32.56      
4 A' 3030 2898 30.53      
5 A' 1513 1447 5.60      
6 A' 1503 1438 15.41      
7 A' 1422 1360 4.63      
8 A' 1196 1144 2.21      
9 A' 1042 997 0.01      
10 A' 915 875 1.86      
11 A' 400 383 14.40      
12 A' 346 331 13.98      
13 A' 144 138 0.73      
14 A" 3178 3039 16.98      
15 A" 3110 2974 3.24      
16 A" 3030 2898 23.04      
17 A" 1499 1434 0.59      
18 A" 1491 1426 1.26      
19 A" 1434 1371 10.39      
20 A" 1380 1320 0.94      
21 A" 1176 1125 0.06      
22 A" 954 912 0.89      
23 A" 944 903 0.02      
24 A" 119 114 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19682.3 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 18824.2 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/aug-cc-pVQZ
ABC
1.24934 0.28527 0.25405

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 0.544 0.000
C2 -0.012 -0.199 1.280
C3 -0.012 -0.199 -1.280
H4 0.249 1.588 0.000
H5 -0.780 -0.970 1.284
H6 -0.780 -0.970 -1.284
H7 0.940 -0.713 1.443
H8 -0.178 0.452 2.131
H9 0.940 -0.713 -1.443
H10 -0.178 0.452 -2.131

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.47971.47971.07632.12852.12852.13732.13952.13732.1395
C21.47972.55942.21341.08862.78521.09371.08452.92993.4763
C31.47972.55942.21342.78521.08862.92993.47631.09371.0845
H41.07632.21342.21343.04173.04172.80262.45242.80262.4524
H52.12851.08862.78523.04172.56801.74631.76143.23463.7480
H62.12852.78521.08863.04172.56803.23463.74801.74631.7614
H72.13731.09372.92992.80261.74633.23461.75472.88663.9220
H82.13951.08453.47632.45241.76143.74801.75473.92204.2621
H92.13732.92991.09372.80263.23461.74632.88663.92201.7547
H102.13953.47631.08452.45243.74801.76143.92204.26211.7547

picture of Isopropyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.033 C1 C2 H7 111.430
C1 C2 H8 112.183 C1 C3 H6 111.033
C1 C3 H9 111.430 C1 C3 H10 112.183
C2 C1 C3 119.734 C2 C1 H4 119.144
C3 C1 H4 119.144 H5 C2 H7 106.302
H5 C2 H8 108.301 H6 C3 H9 106.302
H6 C3 H10 108.301 H7 C2 H8 107.326
H9 C3 H10 107.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability