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: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-42.917171
Energy at 298.15K-42.926875
Nuclear repulsion energy105.736076
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3084 3005 55.70      
2 A 2994 2918 49.12      
3 A 1534 1495 11.03      
4 A 1448 1411 2.37      
5 A 1184 1154 81.22      
6 A 789 769 11.98      
7 A 513 500 40.77      
8 A 353 344 10.71      
9 A 3105 3026 0.00      
10 A 1487 1449 0.00      
11 A 988 963 0.00      
12 A 215 209 0.00      
13 A 3112 3033 42.39      
13 A 3112 3033 42.45      
14 A 3075 2996 10.10      
14 A 3075 2996 10.11      
15 A 2984 2908 17.03      
15 A 2984 2908 17.04      
16 A 1513 1474 8.64      
16 A 1513 1474 8.64      
17 A 1507 1469 0.29      
17 A 1507 1469 0.29      
18 A 1425 1388 19.22      
18 A 1425 1388 19.23      
19 A 1278 1245 13.68      
19 A 1278 1245 13.68      
20 A 1056 1029 0.04      
20 A 1056 1029 0.04      
21 A 940 916 0.05      
21 A 940 916 0.05      
22 A 394 384 0.77      
22 A 394 384 0.77      
23 A 282 275 1.59      
23 A 282 275 1.59      
24 A 263 257 0.01      
24 A 263 257 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26675.5 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 25995.3 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 B3LYP/CEP-121G
ABC
0.14606 0.09347 0.09347

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.121
Cl2 0.000 0.000 1.844
C3 0.000 1.483 -0.542
C4 1.285 -0.742 -0.542
C5 -1.285 -0.742 -0.542
H6 0.000 1.545 -1.641
H7 1.338 -0.773 -1.641
H8 -1.338 -0.773 -1.641
H9 0.889 2.000 -0.166
H10 -0.889 2.000 -0.166
H11 1.287 -1.770 -0.166
H12 2.177 -0.230 -0.166
H13 -2.177 -0.230 -0.166
H14 -1.287 -1.770 -0.166

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.96481.54211.54211.54212.16782.16782.16782.18942.18942.18942.18942.18942.1894
Cl21.96482.80962.80962.80963.81243.81243.81242.97162.97162.97162.97162.97162.9716
C31.54212.80962.56942.56941.10092.84412.84411.09531.09533.51942.79562.79563.5194
C41.54212.80962.56942.56942.84411.10092.84412.79563.51941.09531.09533.51942.7956
C51.54212.80962.56942.56942.84412.84411.10093.51942.79562.79563.51941.09531.0953
H62.16783.81241.10092.84412.84412.67642.67641.78181.78183.85063.17273.17273.8506
H72.16783.81242.84411.10092.84412.67642.67643.17273.85061.78181.78183.85063.1727
H82.16783.81242.84412.84411.10092.67642.67643.85063.17273.17273.85061.78181.7818
H92.18942.97161.09532.79563.51941.78183.17273.85061.77893.79132.57473.79134.3537
H102.18942.97161.09533.51942.79561.78183.85063.17271.77894.35373.79132.57473.7913
H112.18942.97163.51941.09532.79563.85061.78183.17273.79134.35371.77893.79132.5747
H122.18942.97162.79561.09533.51943.17271.78183.85062.57473.79131.77894.35373.7913
H132.18942.97162.79563.51941.09533.17273.85061.78183.79132.57473.79134.35371.7789
H142.18942.97163.51942.79561.09533.85063.17271.78184.35373.79132.57473.79131.7789

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 109.069 C1 C3 H9 111.093
C1 C3 H10 111.093 C1 C4 H7 109.069
C1 C4 H11 111.093 C1 C4 H12 111.093
C1 C5 H8 109.069 C1 C5 H13 111.093
C1 C5 H14 111.093 Cl2 C1 C3 105.852
Cl2 C1 C4 105.852 Cl2 C1 C5 105.852
C3 C1 C4 112.835 C3 C1 C5 112.835
C4 C1 C5 112.835 H6 C3 H9 108.452
H6 C3 H10 108.452 H7 C4 H11 108.452
H7 C4 H12 108.452 H8 C5 H13 108.452
H8 C5 H14 108.452 H9 C3 H10 108.607
H11 C4 H12 108.607 H13 C5 H14 108.607
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.042      
2 Cl -0.095      
3 C -0.441      
4 C -0.441      
5 C -0.441      
6 H 0.147      
7 H 0.147      
8 H 0.147      
9 H 0.170      
10 H 0.170      
11 H 0.170      
12 H 0.170      
13 H 0.170      
14 H 0.170      


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 -3.015 3.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.508 0.000 0.000
y 0.000 -38.508 0.000
z 0.000 0.000 -43.728
Traceless
 xyz
x 2.610 0.000 0.000
y 0.000 2.610 0.000
z 0.000 0.000 -5.220
Polar
3z2-r2-10.440
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 7.955 0.000 0.000
y 0.000 7.956 0.000
z 0.000 0.000 10.502


<r2> (average value of r2) Å2
<r2> 123.089
(<r2>)1/2 11.095