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

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-118.421972
Energy at 298.15K-118.428091
HF Energy-118.421972
Nuclear repulsion energy74.980230
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 wB97X-D/SDD
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' 3231 3231 49.47      
2 A' 3162 3162 28.35      
3 A' 3086 3086 88.81      
4 A' 3012 3012 45.30      
5 A' 1536 1536 8.90      
6 A' 1522 1522 27.79      
7 A' 1455 1455 10.40      
8 A' 1208 1208 7.54      
9 A' 1051 1051 2.11      
10 A' 901 901 2.81      
11 A' 383 383 15.95      
12 A' 349 349 39.97      
13 A' 116 116 2.13      
14 A" 3162 3162 38.81      
15 A" 3085 3085 3.52      
16 A" 3008 3008 37.53      
17 A" 1523 1523 6.50      
18 A" 1512 1512 0.51      
19 A" 1449 1449 21.73      
20 A" 1390 1390 0.79      
21 A" 1177 1177 0.97      
22 A" 980 980 0.55      
23 A" 966 966 1.55      
24 A" 112 112 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19686.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19686.7 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 wB97X-D/SDD
ABC
1.22637 0.27508 0.24526

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 0.545 0.000
C2 -0.007 -0.202 1.305
C3 -0.007 -0.202 -1.305
H4 0.142 1.622 0.000
H5 -0.793 -0.970 1.322
H6 -0.793 -0.970 -1.322
H7 0.947 -0.731 1.470
H8 -0.164 0.467 2.157
H9 0.947 -0.731 -1.470
H10 -0.164 0.467 -2.157

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50391.50391.08732.15922.15922.16742.16392.16742.1639
C21.50392.61032.24791.09932.84801.10311.09432.98153.5295
C31.50392.61032.24792.84801.09932.98153.52951.10311.0943
H41.08732.24792.24793.05653.05652.88842.46572.88842.4657
H52.15921.09932.84803.05652.64441.76321.77703.29873.8163
H62.15922.84801.09933.05652.64443.29873.81631.76321.7770
H72.16741.10312.98152.88841.76323.29871.77212.93933.9774
H82.16391.09433.52952.46571.77703.81631.77213.97744.3136
H92.16742.98151.10312.88843.29871.76322.93933.97741.7721
H102.16393.52951.09432.46573.81631.77703.97744.31361.7721

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 111.131 C1 C2 H7 111.558
C1 C2 H8 111.818 C1 C3 H6 111.131
C1 C3 H9 111.558 C1 C3 H10 111.818
C2 C1 C3 120.419 C2 C1 H4 119.480
C3 C1 H4 119.480 H5 C2 H7 106.372
H5 C2 H8 108.211 H6 C3 H9 106.372
H6 C3 H10 108.211 H7 C2 H8 107.502
H9 C3 H10 107.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 C -0.655      
3 C -0.655      
4 H 0.208      
5 H 0.205      
6 H 0.205      
7 H 0.205      
8 H 0.212      
9 H 0.205      
10 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.175 -0.186 0.000 0.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.342 0.274 0.000
y 0.274 -19.954 0.000
z 0.000 0.000 -19.964
Traceless
 xyz
x -1.383 0.274 0.000
y 0.274 0.699 0.000
z 0.000 0.000 0.684
Polar
3z2-r21.368
x2-y2-1.388
xy0.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.870 -0.016 0.000
y -0.016 4.629 0.000
z 0.000 0.000 5.074


<r2> (average value of r2) Å2
<r2> 61.732
(<r2>)1/2 7.857