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

using model chemistry: CCSD=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-118.113950
Energy at 298.15K-118.120183
HF Energy-117.644906
Nuclear repulsion energy74.843948
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/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' 3196 3196 30.04      
2 A' 3143 3143 18.65      
3 A' 3088 3088 49.33      
4 A' 3007 3007 39.23      
5 A' 1491 1491 3.26      
6 A' 1483 1483 11.30      
7 A' 1419 1419 2.56      
8 A' 1186 1186 1.85      
9 A' 1043 1043 0.12      
10 A' 902 902 1.58      
11 A' 423 423 15.99      
12 A' 355 355 4.99      
13 A' 150 150 0.08      
14 A" 3144 3144 22.41      
15 A" 3087 3087 6.07      
16 A" 3003 3003 27.98      
17 A" 1482 1482 0.09      
18 A" 1473 1473 1.51      
19 A" 1431 1431 5.60      
20 A" 1368 1368 3.75      
21 A" 1165 1165 0.00      
22 A" 943 943 0.49      
23 A" 938 938 0.41      
24 A" 121 121 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19520.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19520.5 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 CCSD=FULL/cc-pVDZ
ABC
1.21827 0.27528 0.24585

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 0.547 0.000
C2 -0.014 -0.201 1.302
C3 -0.014 -0.201 -1.302
H4 0.312 1.595 0.000
H5 -0.769 -1.010 1.298
H6 -0.769 -1.010 -1.298
H7 0.968 -0.686 1.497
H8 -0.226 0.463 2.157
H9 0.968 -0.686 -1.497
H10 -0.226 0.463 -2.157

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50201.50201.09732.16322.16322.17392.16912.17392.1691
C21.50202.60432.24251.10642.82551.11211.10343.00583.5289
C31.50202.60432.24252.82551.10643.00583.52891.11211.1034
H41.09732.24252.24253.10473.10472.80602.49472.80602.4947
H52.16321.10642.82553.10472.59551.77821.79003.30663.7949
H62.16322.82551.10643.10472.59553.30663.79491.77821.7900
H72.17391.11213.00582.80601.77823.30661.78332.99444.0123
H82.16911.10343.52892.49471.79003.79491.78334.01234.3142
H92.17393.00581.11212.80603.30661.77822.99444.01231.7833
H102.16913.52891.10342.49473.79491.79004.01234.31421.7833

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 111.154 C1 C2 H7 111.662
C1 C2 H8 111.815 C1 C3 H6 111.154
C1 C3 H9 111.662 C1 C3 H10 111.815
C2 C1 C3 120.209 C2 C1 H4 118.420
C3 C1 H4 118.420 H5 C2 H7 106.554
H5 C2 H8 108.196 H6 C3 H9 106.554
H6 C3 H10 108.196 H7 C2 H8 107.207
H9 C3 H10 107.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability