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

using model chemistry: CCSD(T)=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(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-118.126381
Energy at 298.15K-118.132583
HF Energy-117.644708
Nuclear repulsion energy74.775509
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(T)=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' 3179 3062        
2 A' 3128 3013        
3 A' 3070 2957        
4 A' 2986 2876        
5 A' 1480 1425        
6 A' 1473 1419        
7 A' 1406 1354        
8 A' 1176 1133        
9 A' 1034 996        
10 A' 895 862        
11 A' 421 405        
12 A' 352 339        
13 A' 148 143        
14 A" 3129 3014        
15 A" 3070 2957        
16 A" 2983 2873        
17 A" 1471 1417        
18 A" 1463 1409        
19 A" 1418 1366        
20 A" 1357 1307        
21 A" 1157 1114        
22 A" 934 899        
23 A" 929 895        
24 A" 115 111        

Unscaled Zero Point Vibrational Energy (zpe) 19386.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 18672.6 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(T)=FULL/cc-pVDZ
ABC
1.21458 0.27502 0.24554

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 0.548 0.000
C2 -0.014 -0.201 1.303
C3 -0.014 -0.201 -1.303
H4 0.313 1.597 0.000
H5 -0.769 -1.013 1.296
H6 -0.769 -1.013 -1.296
H7 0.969 -0.686 1.498
H8 -0.228 0.463 2.159
H9 0.969 -0.686 -1.498
H10 -0.228 0.463 -2.159

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50311.50311.09892.16502.16502.17642.17152.17642.1715
C21.50312.60532.24501.10792.82541.11381.10483.00803.5315
C31.50312.60532.24502.82541.10793.00803.53151.11381.1048
H41.09892.24502.24503.10873.10872.80872.49852.80872.4985
H52.16501.10792.82543.10872.59301.78021.79273.30763.7963
H62.16502.82541.10793.10872.59303.30763.79631.78021.7927
H72.17641.11383.00802.80871.78023.30761.78572.99694.0164
H82.17151.10483.53152.49851.79273.79631.78574.01644.3185
H92.17643.00801.11382.80873.30761.78022.99694.01641.7857
H102.17153.53151.10482.49853.79631.79274.01644.31851.7857

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 111.129 C1 C2 H7 111.677
C1 C2 H8 111.842 C1 C3 H6 111.129
C1 C3 H9 111.677 C1 C3 H10 111.842
C2 C1 C3 120.142 C2 C1 H4 118.440
C3 C1 H4 118.440 H5 C2 H7 106.505
H5 C2 H8 108.233 H6 C3 H9 106.505
H6 C3 H10 108.233 H7 C2 H8 107.201
H9 C3 H10 107.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability