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 CH3CCl2CH3 (Propane, 2,2-dichloro-)

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-1037.944037
Energy at 298.15K 
HF Energy-1037.710909
Nuclear repulsion energy294.333481
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 B2PLYP/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 A1 3175 3175 9.92 73.54 0.74 0.85
2 A1 3079 3079 13.55 235.00 0.01 0.01
3 A1 1521 1521 3.35 14.59 0.74 0.85
4 A1 1457 1457 6.19 0.47 0.73 0.85
5 A1 1206 1206 37.96 1.86 0.29 0.45
6 A1 939 939 9.38 6.53 0.75 0.86
7 A1 567 567 16.74 13.45 0.04 0.08
8 A1 371 371 1.17 2.85 0.47 0.64
9 A1 262 262 0.68 4.84 0.62 0.77
10 A2 3150 3150 0.00 14.03 0.75 0.86
11 A2 1509 1509 0.00 18.01 0.75 0.86
12 A2 1049 1049 0.00 1.68 0.75 0.86
13 A2 290 290 0.00 1.54 0.75 0.86
14 A2 281 281 0.00 0.13 0.75 0.86
15 B1 3156 3156 24.55 136.29 0.75 0.86
16 B1 1532 1532 6.77 0.03 0.75 0.86
17 B1 1162 1162 89.89 3.51 0.75 0.86
18 B1 662 662 108.49 15.00 0.75 0.86
19 B1 367 367 3.71 2.08 0.75 0.86
20 B1 318 318 0.02 0.01 0.75 0.86
21 B2 3173 3173 6.25 40.46 0.75 0.86
22 B2 3074 3074 5.10 1.30 0.75 0.86
23 B2 1505 1505 4.85 0.00 0.75 0.86
24 B2 1439 1439 16.34 1.73 0.75 0.86
25 B2 1233 1233 6.72 0.37 0.75 0.86
26 B2 972 972 0.04 1.59 0.75 0.86
27 B2 392 392 2.71 0.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18919.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18919.7 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 B2PLYP/6-311G*
ABC
0.12198 0.08056 0.07091

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.344
Cl2 1.470 0.000 -0.718
Cl3 -1.470 0.000 -0.718
C4 0.000 1.271 1.172
C5 0.000 -1.271 1.172
H6 0.000 2.152 0.533
H7 0.000 -2.152 0.533
H8 -0.888 1.295 1.805
H9 0.888 1.295 1.805
H10 0.888 -1.295 1.805
H11 -0.888 -1.295 1.805

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.81361.81361.51731.51732.15992.15992.14532.14532.14532.1453
Cl21.81362.94082.71122.71122.89062.89063.68882.89512.89513.6888
Cl31.81362.94082.71122.71122.89062.89062.89513.68883.68882.8951
C41.51732.71122.71122.54191.08843.48171.09091.09092.78832.7883
C51.51732.71122.71122.54193.48171.08842.78832.78831.09091.0909
H62.15992.89062.89061.08843.48174.30311.77231.77233.77993.7799
H72.15992.89062.89063.48171.08844.30313.77993.77991.77231.7723
H82.14533.68882.89511.09092.78831.77233.77991.77703.14132.5904
H92.14532.89513.68881.09092.78831.77233.77991.77702.59043.1413
H102.14532.89513.68882.78831.09093.77991.77233.14132.59041.7770
H112.14533.68882.89512.78831.09093.77991.77232.59043.14131.7770

picture of Propane, 2,2-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.903 C1 C4 H8 109.594
C1 C4 H9 109.594 C1 C5 H7 110.903
C1 C5 H10 109.594 C1 C5 H11 109.594
Cl2 C1 Cl3 108.340 Cl2 C1 C4 108.647
Cl2 C1 C5 108.647 Cl3 C1 C4 108.647
Cl3 C1 C5 108.647 C4 C1 C5 113.785
H6 C4 H8 108.828 H6 C4 H9 108.828
H7 C5 H10 108.828 H7 C5 H11 108.828
H8 C4 H9 109.062 H10 C5 H11 109.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.268      
2 Cl -0.029      
3 Cl -0.029      
4 C -0.567      
5 C -0.567      
6 H 0.257      
7 H 0.257      
8 H 0.237      
9 H 0.237      
10 H 0.237      
11 H 0.237      


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 2.522 2.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.340 0.000 0.000
y 0.000 -44.194 0.000
z 0.000 0.000 -44.797
Traceless
 xyz
x -3.845 0.000 0.000
y 0.000 2.374 0.000
z 0.000 0.000 1.470
Polar
3z2-r22.941
x2-y2-4.146
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.501 0.000 0.000
y 0.000 7.010 0.000
z 0.000 0.000 8.121


<r2> (average value of r2) Å2
<r2> 188.943
(<r2>)1/2 13.746