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: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-1038.204713
Energy at 298.15K 
HF Energy-1038.204713
Nuclear repulsion energy295.042707
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 B3PW91/6-31G(2df,p)
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 3167 3045 5.90 69.07 0.73 0.85
2 A1 3060 2942 10.26 216.42 0.01 0.01
3 A1 1479 1422 2.34 20.21 0.75 0.86
4 A1 1411 1356 5.62 2.84 0.29 0.44
5 A1 1175 1130 37.39 1.16 0.12 0.22
6 A1 927 891 10.03 6.10 0.74 0.85
7 A1 567 545 16.61 15.28 0.03 0.05
8 A1 360 346 0.88 2.01 0.28 0.43
9 A1 252 242 1.27 3.11 0.64 0.78
10 A2 3140 3019 0.00 12.33 0.75 0.86
11 A2 1467 1410 0.00 21.04 0.75 0.86
12 A2 1016 977 0.00 1.73 0.75 0.86
13 A2 279 269 0.00 1.16 0.75 0.86
14 A2 264 254 0.00 0.01 0.75 0.86
15 B1 3145 3024 15.99 120.64 0.75 0.86
16 B1 1490 1433 5.13 0.03 0.75 0.86
17 B1 1129 1086 86.14 0.85 0.75 0.86
18 B1 659 633 96.71 10.77 0.75 0.86
19 B1 358 344 3.49 1.20 0.75 0.86
20 B1 297 285 0.01 0.00 0.75 0.86
21 B2 3165 3043 3.31 34.24 0.75 0.86
22 B2 3056 2938 4.14 2.13 0.75 0.86
23 B2 1463 1407 3.66 0.11 0.75 0.86
24 B2 1395 1341 14.32 3.67 0.75 0.86
25 B2 1215 1168 7.80 0.30 0.75 0.86
26 B2 946 909 0.01 1.66 0.75 0.86
27 B2 387 372 3.07 1.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18634.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 17915.0 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 B3PW91/6-31G(2df,p)
ABC
0.12208 0.08123 0.07146

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.343
Cl2 1.462 0.000 -0.717
Cl3 -1.462 0.000 -0.717
C4 0.000 1.271 1.171
C5 0.000 -1.271 1.171
H6 0.000 2.153 0.529
H7 0.000 -2.153 0.529
H8 -0.891 1.293 1.806
H9 0.891 1.293 1.806
H10 0.891 -1.293 1.806
H11 -0.891 -1.293 1.806

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.80621.80621.51701.51702.16122.16122.14582.14582.14582.1458
Cl21.80622.92382.70562.70562.88582.88583.68422.89212.89213.6842
Cl31.80622.92382.70562.70562.88582.88582.89213.68423.68422.8921
C41.51702.70562.70562.54221.09103.48391.09381.09382.78762.7876
C51.51702.70562.70562.54223.48391.09102.78762.78761.09381.0938
H62.16122.88582.88581.09103.48394.30631.77831.77833.78153.7815
H72.16122.88582.88583.48391.09104.30633.78153.78151.77831.7783
H82.14583.68422.89211.09382.78761.77833.78151.78163.14052.5862
H92.14582.89213.68421.09382.78761.77833.78151.78162.58623.1405
H102.14582.89213.68422.78761.09383.78151.77833.14052.58621.7816
H112.14583.68422.89212.78761.09383.78151.77832.58623.14051.7816

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 110.871 C1 C4 H8 109.477
C1 C4 H9 109.477 C1 C5 H7 110.871
C1 C5 H10 109.477 C1 C5 H11 109.477
Cl2 C1 Cl3 108.076 Cl2 C1 C4 108.696
Cl2 C1 C5 108.696 Cl3 C1 C4 108.696
Cl3 C1 C5 108.696 C4 C1 C5 113.835
H6 C4 H8 108.965 H6 C4 H9 108.965
H7 C5 H10 108.965 H7 C5 H11 108.965
H8 C4 H9 109.057 H10 C5 H11 109.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.117      
2 Cl -0.134      
3 Cl -0.134      
4 C -0.436      
5 C -0.436      
6 H 0.179      
7 H 0.179      
8 H 0.166      
9 H 0.166      
10 H 0.166      
11 H 0.166      


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 2.396 2.396
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.626 0.000 0.000
y 0.000 -42.589 0.000
z 0.000 0.000 -43.087
Traceless
 xyz
x -3.789 0.000 0.000
y 0.000 2.268 0.000
z 0.000 0.000 1.521
Polar
3z2-r23.042
x2-y2-4.038
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.454 0.000 0.000
y 0.000 7.405 0.000
z 0.000 0.000 8.320


<r2> (average value of r2) Å2
<r2> 187.004
(<r2>)1/2 13.675