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All results from a given calculation for CH3CHCH3 (Isopropyl 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 C2 2A
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-118.019231
Energy at 298.15K-118.025573
HF Energy-117.635700
Nuclear repulsion energy75.501092
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 A' 3254 3066 26.90      
2 A' 3191 3007 17.89      
3 A' 3136 2955 42.43      
4 A' 3054 2877 28.21      
5 A' 1562 1472 4.61      
6 A' 1550 1460 13.81      
7 A' 1479 1393 4.09      
8 A' 1228 1157 3.01      
9 A' 1088 1025 0.19      
10 A' 921 868 1.70      
11 A' 453 427 20.92      
12 A' 369 348 5.21      
13 A' 163 154 0.10      
14 A" 3192 3007 18.33      
15 A" 3137 2955 4.39      
16 A" 3052 2875 21.90      
17 A" 1552 1462 0.96      
18 A" 1539 1450 1.36      
19 A" 1480 1395 8.68      
20 A" 1427 1344 2.02      
21 A" 1199 1130 0.02      
22 A" 982 925 0.85      
23 A" 972 916 0.75      
24 A" 137 129 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20057.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 18898.2 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/6-31G*
ABC
1.24080 0.27980 0.24997

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.014 0.544 0.000
C2 0.014 -0.200 1.292
C3 0.014 -0.200 -1.292
H4 -0.323 1.575 0.000
H5 -0.955 -0.685 1.485
H6 -0.955 -0.685 -1.485
H7 0.767 -0.995 1.287
H8 0.222 0.460 2.138
H9 0.767 -0.995 -1.287
H10 0.222 0.460 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49031.49031.08532.15722.15722.14262.15002.14262.1500
C21.49032.58362.22071.10102.98101.09551.09282.80153.4991
C31.49032.58362.22072.98101.10102.80153.49911.09551.0928
H41.08532.22072.22072.77672.77673.07432.47263.07432.4726
H52.15721.10102.98102.77672.97031.76111.76663.27803.9779
H62.15722.98101.10102.77672.97033.27803.97791.76111.7666
H72.14261.09552.80153.07431.76113.27801.77202.57333.7610
H82.15001.09283.49912.47261.76663.97791.77203.76104.2767
H92.14262.80151.09553.07433.27801.76112.57333.76101.7720
H102.15003.49911.09282.47263.97791.76663.76104.27671.7720

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 111.830 C1 C2 H7 110.989
C1 C2 H8 111.757 C1 C3 H6 111.830
C1 C3 H9 110.989 C1 C3 H10 111.757
C2 C1 C3 120.181 C2 C1 H4 118.288
C3 C1 H4 118.288 H5 C2 H7 106.607
H5 C2 H8 107.270 H6 C3 H9 106.607
H6 C3 H10 107.270 H7 C2 H8 108.142
H9 C3 H10 108.142
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability