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

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-118.099833
Energy at 298.15K-118.106094
HF Energy-117.645011
Nuclear repulsion energy74.853758
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 MP3/cc-pVDZ
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' 3222 3054 28.46      
2 A' 3165 3000 18.42      
3 A' 3112 2950 47.15      
4 A' 3032 2874 34.40      
5 A' 1493 1415 3.58      
6 A' 1486 1408 12.01      
7 A' 1420 1346 2.76      
8 A' 1188 1126 2.03      
9 A' 1046 992 0.10      
10 A' 904 857 1.61      
11 A' 434 411 17.29      
12 A' 358 339 4.18      
13 A' 155 147 0.06      
14 A" 3166 3001 20.29      
15 A" 3112 2950 4.98      
16 A" 3029 2872 27.68      
17 A" 1485 1408 0.05      
18 A" 1475 1398 1.74      
19 A" 1434 1360 6.51      
20 A" 1371 1299 3.45      
21 A" 1169 1108 0.00      
22 A" 943 894 0.42      
23 A" 938 889 0.56      
24 A" 124 118 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19631.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 18608.3 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 MP3/cc-pVDZ
ABC
1.21814 0.27528 0.24588

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 0.549 0.000
C2 -0.015 -0.201 1.302
C3 -0.015 -0.201 -1.302
H4 0.328 1.590 0.000
H5 -0.767 -1.012 1.295
H6 -0.767 -1.012 -1.295
H7 0.968 -0.681 1.498
H8 -0.232 0.461 2.157
H9 0.968 -0.681 -1.498
H10 -0.232 0.461 -2.157

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50281.50281.09632.16262.16262.17322.16912.17322.1691
C21.50282.60462.24101.10562.82241.11101.10273.00663.5284
C31.50282.60462.24102.82241.10563.00663.52841.11101.1027
H41.09632.24102.24103.10563.10562.79472.49752.79472.4975
H52.16261.10562.82243.10562.58921.77761.78893.30443.7905
H62.16262.82241.10563.10562.58923.30443.79051.77761.7889
H72.17321.11103.00662.79471.77763.30441.78232.99684.0127
H82.16911.10273.52842.49751.78893.79051.78234.01274.3130
H92.17323.00661.11102.79473.30441.77762.99684.01271.7823
H102.16913.52841.10272.49753.79051.78894.01274.31301.7823

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 111.097 C1 C2 H7 111.610
C1 C2 H8 111.800 C1 C3 H6 111.097
C1 C3 H9 111.610 C1 C3 H10 111.800
C2 C1 C3 120.124 C2 C1 H4 118.295
C3 C1 H4 118.295 H5 C2 H7 106.636
H5 C2 H8 108.211 H6 C3 H9 106.636
H6 C3 H10 108.211 H7 C2 H8 107.244
H9 C3 H10 107.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability