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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-118.105052
Energy at 298.15K-118.111325
HF Energy-117.656687
Nuclear repulsion energy75.484239
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/6-311G*
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' 3232 3061 28.28      
2 A' 3168 3000 18.28      
3 A' 3109 2944 46.71      
4 A' 3027 2867 34.47      
5 A' 1539 1457 6.75      
6 A' 1527 1446 20.54      
7 A' 1456 1379 6.95      
8 A' 1212 1148 2.99      
9 A' 1066 1010 0.15      
10 A' 913 865 2.08      
11 A' 423 401 20.77      
12 A' 359 340 10.26      
13 A' 158 150 0.37      
14 A" 3169 3001 20.46      
15 A" 3109 2945 4.82      
16 A" 3025 2865 25.19      
17 A" 1527 1446 1.57      
18 A" 1514 1434 2.28      
19 A" 1459 1382 13.05      
20 A" 1405 1330 0.63      
21 A" 1184 1122 0.07      
22 A" 967 916 0.88      
23 A" 959 909 0.61      
24 A" 123 117 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19814.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 18766.5 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/6-311G*
ABC
1.23732 0.27988 0.24977

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 0.546 0.000
C2 -0.014 -0.200 1.292
C3 -0.014 -0.200 -1.292
H4 0.302 1.583 0.000
H5 -0.782 -0.980 1.298
H6 -0.782 -0.980 -1.298
H7 0.947 -0.707 1.468
H8 -0.193 0.459 2.143
H9 0.947 -0.707 -1.468
H10 -0.193 0.459 -2.143

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49171.49171.08462.14492.14492.15592.15222.15592.1522
C21.49172.58382.22471.09472.81131.10031.09162.96603.5022
C31.49172.58382.22472.81131.09472.96603.50221.10031.0916
H41.08462.22472.22473.07053.07052.79592.46992.79592.4699
H52.14491.09472.81133.07052.59501.75881.77013.27303.7756
H62.14492.81131.09473.07052.59503.27303.77561.75881.7701
H72.15591.10032.96602.79591.75883.27301.76512.93633.9623
H82.15221.09163.50222.46991.77013.77561.76513.96234.2860
H92.15592.96601.10032.79593.27301.75882.93633.96231.7651
H102.15223.50221.09162.46993.77561.77013.96234.28601.7651

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 111.124 C1 C2 H7 111.663
C1 C2 H8 111.905 C1 C3 H6 111.124
C1 C3 H9 111.663 C1 C3 H10 111.905
C2 C1 C3 120.003 C2 C1 H4 118.573
C3 C1 H4 118.573 H5 C2 H7 106.499
H5 C2 H8 108.120 H6 C3 H9 106.499
H6 C3 H10 108.120 H7 C2 H8 107.271
H9 C3 H10 107.271
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability