return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CCl(CH3)CH3 (Propane, 2-chloro-2-methyl-)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-617.694047
Energy at 298.15K-617.703952
HF Energy-617.694047
Nuclear repulsion energy241.043029
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 PBE1PBE/6-31G*
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 3159 3002 36.31      
2 A 3079 2926 21.96      
3 A 1540 1464 8.22      
4 A 1453 1381 4.05      
5 A 1199 1139 71.99      
6 A 841 799 11.52      
7 A 591 561 31.85      
8 A 375 356 4.05      
9 A 3174 3016 0.00      
10 A 1494 1420 0.00      
11 A 981 932 0.00      
12 A 241 229 0.00      
13 A 3178 3020 22.15      
13 A 3178 3020 22.16      
14 A 3153 2996 4.35      
14 A 3153 2996 4.35      
15 A 3072 2919 12.50      
15 A 3072 2919 12.50      
16 A 1523 1448 6.19      
16 A 1523 1448 6.20      
17 A 1509 1434 0.72      
17 A 1509 1434 0.72      
18 A 1427 1356 16.53      
18 A 1427 1356 16.54      
19 A 1285 1221 7.34      
19 A 1285 1221 7.34      
20 A 1064 1011 0.02      
20 A 1064 1011 0.02      
21 A 949 902 0.47      
21 A 949 902 0.47      
22 A 406 386 0.58      
22 A 406 386 0.58      
23 A 302 287 0.91      
23 A 302 287 0.91      
24 A 291 276 0.08      
24 A 291 276 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 27221.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 25868.7 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 PBE1PBE/6-31G*
ABC
0.15173 0.10036 0.10036

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.357
Cl2 0.000 0.000 1.476
C3 0.000 1.453 -0.809
C4 1.258 -0.726 -0.809
C5 -1.258 -0.726 -0.809
H6 0.000 1.492 -1.905
H7 1.292 -0.746 -1.905
H8 -1.292 -0.746 -1.905
H9 0.888 1.978 -0.445
H10 -0.888 1.978 -0.445
H11 1.269 -1.758 -0.445
H12 2.157 -0.220 -0.445
H13 -2.157 -0.220 -0.445
H14 -1.269 -1.758 -0.445

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.83321.52121.52121.52122.15032.15032.15032.16952.16952.16952.16952.16952.1695
Cl21.83322.70762.70762.70763.69613.69613.69612.89642.89642.89642.89642.89642.8964
C31.52122.70762.51582.51581.09712.77602.77601.09391.09393.47102.75322.75323.4710
C41.52122.70762.51582.51582.77601.09712.77602.75323.47101.09391.09393.47102.7532
C51.52122.70762.51582.51582.77602.77601.09713.47102.75322.75323.47101.09391.0939
H62.15033.69611.09712.77602.77602.58462.58461.77681.77683.78223.11693.11693.7822
H72.15033.69612.77601.09712.77602.58462.58463.11693.78221.77681.77683.78223.1169
H82.15033.69612.77602.77601.09712.58462.58463.78223.11693.11693.78221.77681.7768
H92.16952.89641.09392.75323.47101.77683.11693.78221.77583.75462.53733.75464.3131
H102.16952.89641.09393.47102.75321.77683.78223.11691.77584.31313.75462.53733.7546
H112.16952.89643.47101.09392.75323.78221.77683.11693.75464.31311.77583.75462.5373
H122.16952.89642.75321.09393.47103.11691.77683.78222.53733.75461.77584.31313.7546
H132.16952.89642.75323.47101.09393.11693.78221.77683.75462.53733.75464.31311.7758
H142.16952.89643.47102.75321.09393.78223.11691.77684.31313.75462.53733.75461.7758

picture of Propane, 2-chloro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H6 109.353 C1 C3 H9 111.064
C1 C3 H10 111.064 C1 C4 H7 109.353
C1 C4 H11 111.064 C1 C4 H12 111.064
C1 C5 H8 109.353 C1 C5 H13 111.064
C1 C5 H14 111.064 Cl2 C1 C3 107.279
Cl2 C1 C4 107.279 Cl2 C1 C5 107.279
C3 C1 C4 111.572 C3 C1 C5 111.572
C4 C1 C5 111.572 H6 C3 H9 108.380
H6 C3 H10 108.380 H7 C4 H11 108.380
H7 C4 H12 108.380 H8 C5 H13 108.380
H8 C5 H14 108.380 H9 C3 H10 108.520
H11 C4 H12 108.520 H13 C5 H14 108.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 Cl -0.087      
3 C -0.493      
4 C -0.493      
5 C -0.493      
6 H 0.177      
7 H 0.177      
8 H 0.177      
9 H 0.192      
10 H 0.192      
11 H 0.192      
12 H 0.192      
13 H 0.192      
14 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.373 2.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.662 0.000 0.000
y 0.000 -38.662 0.000
z 0.000 0.000 -40.944
Traceless
 xyz
x 1.141 0.000 0.000
y 0.000 1.141 0.000
z 0.000 0.000 -2.282
Polar
3z2-r2-4.564
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.218 0.000 0.000
y 0.000 7.218 0.000
z 0.000 0.000 9.005


<r2> (average value of r2) Å2
<r2> 159.137
(<r2>)1/2 12.615