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: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-616.259112
Energy at 298.15K-616.269362
Nuclear repulsion energy241.089795
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 HF/6-311G*
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 3258 2947 69.60      
2 A 3195 2889 48.57      
3 A 1651 1493 5.94      
4 A 1573 1423 1.51      
5 A 1291 1167 82.66      
6 A 871 788 21.47      
7 A 607 549 51.83      
8 A 396 358 6.12      
9 A 3270 2957 0.00      
10 A 1605 1451 0.00      
11 A 1063 962 0.00      
12 A 255 231 0.00      
13 A 3277 2963 49.09      
13 A 3277 2963 49.09      
14 A 3248 2938 9.44      
14 A 3248 2938 9.44      
15 A 3183 2879 18.60      
15 A 3183 2879 18.60      
16 A 1632 1476 6.53      
16 A 1632 1476 6.53      
17 A 1620 1465 0.33      
17 A 1620 1465 0.33      
18 A 1547 1399 8.19      
18 A 1547 1399 8.19      
19 A 1372 1241 5.09      
19 A 1372 1241 5.09      
20 A 1147 1037 0.01      
20 A 1147 1037 0.01      
21 A 1014 917 0.19      
21 A 1014 917 0.19      
22 A 434 392 0.66      
22 A 434 392 0.66      
23 A 321 290 0.66      
23 A 321 290 0.66      
24 A 312 282 0.05      
24 A 312 282 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 28623.0 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 25886.6 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 HF/6-311G*
ABC
0.15151 0.10012 0.10012

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.360
Cl2 0.000 0.000 1.479
C3 0.000 1.455 -0.811
C4 1.260 -0.727 -0.811
C5 -1.260 -0.727 -0.811
H6 0.000 1.498 -1.896
H7 1.297 -0.749 -1.896
H8 -1.297 -0.749 -1.896
H9 0.878 1.976 -0.450
H10 -0.878 1.976 -0.450
H11 1.273 -1.748 -0.450
H12 2.150 -0.228 -0.450
H13 -2.150 -0.228 -0.450
H14 -1.273 -1.748 -0.450

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.83871.52311.52311.52312.14542.14542.14542.16442.16442.16442.16442.16442.1644
Cl21.83872.71262.71262.71263.69223.69223.69222.89792.89792.89792.89792.89792.8979
C31.52312.71262.52002.52001.08632.77792.77791.08261.08263.46562.75452.75453.4656
C41.52312.71262.52002.52002.77791.08632.77792.75453.46561.08261.08263.46562.7545
C51.52312.71262.52002.52002.77792.77791.08633.46562.75452.75453.46561.08261.0826
H62.14543.69221.08632.77792.77792.59402.59401.75781.75783.77443.11343.11343.7744
H72.14543.69222.77791.08632.77792.59402.59403.11343.77441.75771.75783.77443.1134
H82.14543.69222.77792.77791.08632.59402.59403.77443.11343.11343.77441.75781.7577
H92.16442.89791.08262.75453.46561.75783.11343.77441.75533.74562.54563.74564.3009
H102.16442.89791.08263.46562.75451.75783.77443.11341.75534.30093.74562.54563.7456
H112.16442.89793.46561.08262.75453.77441.75773.11343.74564.30091.75533.74562.5456
H122.16442.89792.75451.08263.46563.11341.75783.77442.54563.74561.75534.30093.7456
H132.16442.89792.75453.46561.08263.11343.77441.75783.74562.54563.74564.30091.7553
H142.16442.89793.46562.75451.08263.77443.11341.75774.30093.74562.54563.74561.7553

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 109.467 C1 C3 H9 111.202
C1 C3 H10 111.202 C1 C4 H7 109.467
C1 C4 H11 111.202 C1 C4 H12 111.202
C1 C5 H8 109.467 C1 C5 H13 111.202
C1 C5 H14 111.202 Cl2 C1 C3 107.213
Cl2 C1 C4 107.213 Cl2 C1 C5 107.213
C3 C1 C4 111.632 C3 C1 C5 111.632
C4 C1 C5 111.632 H6 C3 H9 108.276
H6 C3 H10 108.276 H7 C4 H11 108.276
H7 C4 H12 108.276 H8 C5 H13 108.276
H8 C5 H14 108.276 H9 C3 H10 108.324
H11 C4 H12 108.324 H13 C5 H14 108.324
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186 0.522   0.547
2 Cl -0.157 -0.320   -0.289
3 C -0.565 -0.315   -0.535
4 C -0.565 -0.295   -0.478
5 C -0.565 -0.295   -0.537
6 H 0.212 0.079   0.149
7 H 0.212 0.075   0.136
8 H 0.212 0.075   0.150
9 H 0.234 0.083   0.148
10 H 0.234 0.083   0.148
11 H 0.234 0.077   0.132
12 H 0.234 0.077   0.133
13 H 0.234 0.077   0.148
14 H 0.234 0.077   0.148


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 -2.698 2.698
CHELPG        
AIM        
ESP 0.010 0.002 -2.777 2.777


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.728 0.000 0.000
y 0.000 -39.728 0.000
z 0.000 0.000 -42.623
Traceless
 xyz
x 1.447 0.000 0.000
y 0.000 1.447 0.000
z 0.000 0.000 -2.895
Polar
3z2-r2-5.790
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 7.316 0.000 0.000
y 0.000 7.316 0.000
z 0.000 0.000 9.399


<r2> (average value of r2) Å2
<r2> 160.088
(<r2>)1/2 12.653