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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-118.397243
Energy at 298.15K-118.403374
HF Energy-118.397243
Nuclear repulsion energy75.410946
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 B1B95/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' 3182 3059 28.96      
2 A' 3128 3007 13.47      
3 A' 3058 2939 43.55      
4 A' 2967 2852 42.25      
5 A' 1455 1398 3.83      
6 A' 1442 1386 13.48      
7 A' 1378 1324 4.05      
8 A' 1161 1116 2.91      
9 A' 1009 970 0.32      
10 A' 902 867 2.18      
11 A' 406 390 17.44      
12 A' 357 343 5.21      
13 A' 125 120 0.08      
14 A" 3130 3009 20.28      
15 A" 3059 2940 7.54      
16 A" 2962 2847 29.37      
17 A" 1447 1391 0.21      
18 A" 1434 1379 2.53      
19 A" 1396 1342 8.16      
20 A" 1338 1286 1.90      
21 A" 1165 1119 0.19      
22 A" 921 885 0.69      
23 A" 915 880 1.14      
24 A" 112 107 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 19222.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 18476.6 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 B1B95/cc-pVDZ
ABC
1.24999 0.27886 0.24944

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 0.532 0.000
C2 -0.012 -0.196 1.292
C3 -0.012 -0.196 -1.292
H4 0.247 1.594 0.000
H5 -0.733 -1.031 1.288
H6 -0.733 -1.031 -1.288
H7 0.976 -0.649 1.515
H8 -0.255 0.462 2.139
H9 0.976 -0.649 -1.515
H10 -0.255 0.462 -2.139

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48341.48341.09322.14952.14952.16062.15362.16062.1536
C21.48342.58472.22311.10272.80581.10981.09893.01073.5019
C31.48342.58472.22312.80581.10273.01073.50191.10981.0989
H41.09322.22312.22313.08363.08362.80362.47172.80362.4717
H52.14951.10272.80583.08362.57541.76551.78303.30483.7676
H62.14952.80581.10273.08362.57543.30483.76761.76551.7830
H72.16061.10983.01072.80361.76553.30481.77143.03044.0125
H82.15361.09893.50192.47171.78303.76761.77144.01254.2774
H92.16063.01071.10982.80363.30481.76553.03044.01251.7714
H102.15363.50191.09892.47173.76761.78304.01254.27741.7714

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 111.592 C1 C2 H7 112.047
C1 C2 H8 112.165 C1 C3 H6 111.592
C1 C3 H9 112.047 C1 C3 H10 112.165
C2 C1 C3 121.198 C2 C1 H4 118.486
C3 C1 H4 118.486 H5 C2 H7 105.874
H5 C2 H8 108.167 H6 C3 H9 105.874
H6 C3 H10 108.167 H7 C2 H8 106.647
H9 C3 H10 106.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.021      
3 C -0.021      
4 H 0.011      
5 H 0.033      
6 H 0.033      
7 H 0.039      
8 H 0.036      
9 H 0.039      
10 H 0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.184 -0.157 0.000 0.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.344 0.311 0.000
y 0.311 -20.444 0.000
z 0.000 0.000 -20.358
Traceless
 xyz
x -0.943 0.311 0.000
y 0.311 0.408 0.000
z 0.000 0.000 0.536
Polar
3z2-r21.071
x2-y2-0.901
xy0.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.216 0.063 0.000
y 0.063 5.103 0.000
z 0.000 0.000 6.070


<r2> (average value of r2) Å2
<r2> 61.305
(<r2>)1/2 7.830