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

using model chemistry: CCSD=FULL/aug-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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-118.134272
Energy at 298.15K-118.140444
HF Energy-117.648641
Nuclear repulsion energy74.846638
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 CCSD=FULL/aug-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' 3194 3194 28.03      
2 A' 3118 3118 20.66      
3 A' 3056 3056 49.17      
4 A' 2981 2981 45.07      
5 A' 1483 1483 4.01      
6 A' 1475 1475 11.11      
7 A' 1407 1407 2.62      
8 A' 1180 1180 1.44      
9 A' 1027 1027 0.32      
10 A' 896 896 1.57      
11 A' 398 398 12.43      
12 A' 337 337 12.73      
13 A' 146 146 0.50      
14 A" 3118 3118 27.11      
15 A" 3056 3056 5.16      
16 A" 2978 2978 26.11      
17 A" 1473 1473 0.07      
18 A" 1463 1463 1.22      
19 A" 1422 1422 7.24      
20 A" 1363 1363 2.45      
21 A" 1158 1158 0.00      
22 A" 936 936 0.75      
23 A" 932 932 0.00      
24 A" 117 117 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19356.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19356.3 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 CCSD=FULL/aug-cc-pVDZ
ABC
1.21554 0.27544 0.24574

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.549 0.000
C2 -0.013 -0.202 1.302
C3 -0.013 -0.202 -1.302
H4 0.279 1.604 0.000
H5 -0.789 -0.989 1.308
H6 -0.789 -0.989 -1.308
H7 0.958 -0.713 1.479
H8 -0.193 0.466 2.160
H9 0.958 -0.713 -1.479
H10 -0.193 0.466 -2.160

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50341.50341.09482.16292.16292.17262.16892.17262.1689
C21.50342.60492.24581.10562.83461.11081.10192.98943.5307
C31.50342.60492.24582.83461.10562.98943.53071.11081.1019
H41.09482.24582.24583.09433.09432.83132.48632.83132.4863
H52.16291.10562.83463.09432.61531.77701.78873.30023.8074
H62.16292.83461.10563.09432.61533.30023.80741.77701.7887
H72.17261.11082.98942.83131.77703.30021.78292.95703.9940
H82.16891.10193.53072.48631.78873.80741.78293.99404.3196
H92.17262.98941.11082.83133.30021.77702.95703.99401.7829
H102.16893.53071.10192.48633.80741.78873.99404.31961.7829

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 111.075 C1 C2 H7 111.538
C1 C2 H8 111.783 C1 C3 H6 111.075
C1 C3 H9 111.538 C1 C3 H10 111.783
C2 C1 C3 120.066 C2 C1 H4 118.781
C3 C1 H4 118.781 H5 C2 H7 106.591
H5 C2 H8 108.250 H6 C3 H9 106.591
H6 C3 H10 108.250 H7 C2 H8 107.368
H9 C3 H10 107.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability