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: PBEPBEultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-1037.768422
Energy at 298.15K 
HF Energy-1037.768422
Nuclear repulsion energy292.217139
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 PBEPBEultrafine/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 A1 3108 3066 5.47 78.65 0.73 0.84
2 A1 3002 2961 9.78 243.07 0.01 0.01
3 A1 1450 1431 1.65 24.92 0.75 0.85
4 A1 1379 1360 6.75 5.00 0.25 0.39
5 A1 1144 1129 42.75 1.21 0.02 0.05
6 A1 900 888 11.57 6.69 0.73 0.85
7 A1 544 536 19.98 14.67 0.04 0.07
8 A1 355 351 1.35 2.87 0.31 0.48
9 A1 247 243 1.27 4.72 0.63 0.77
10 A2 3080 3038 0.00 14.93 0.75 0.86
11 A2 1439 1419 0.00 27.68 0.75 0.86
12 A2 991 977 0.00 2.73 0.75 0.86
13 A2 277 273 0.00 1.28 0.75 0.86
14 A2 267 263 0.00 0.22 0.75 0.86
15 B1 3085 3043 16.38 135.75 0.75 0.86
16 B1 1462 1442 6.17 0.09 0.75 0.86
17 B1 1101 1085 91.50 0.58 0.75 0.86
18 B1 610 602 112.08 11.36 0.75 0.86
19 B1 352 347 5.28 1.84 0.75 0.86
20 B1 299 295 0.00 0.00 0.75 0.86
21 B2 3107 3065 3.82 39.16 0.75 0.86
22 B2 2998 2957 3.36 2.90 0.75 0.86
23 B2 1434 1415 4.02 0.14 0.75 0.86
24 B2 1363 1345 17.10 7.73 0.75 0.86
25 B2 1188 1172 12.53 0.01 0.75 0.86
26 B2 923 910 0.01 1.40 0.75 0.86
27 B2 380 374 4.01 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18242.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 17992.4 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 PBEPBEultrafine/6-31G**
ABC
0.12061 0.07931 0.06982

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.349
Cl2 1.483 0.000 -0.723
Cl3 -1.483 0.000 -0.723
C4 0.000 1.278 1.178
C5 0.000 -1.278 1.178
H6 0.000 2.166 0.532
H7 0.000 -2.166 0.532
H8 -0.897 1.299 1.817
H9 0.897 1.299 1.817
H10 0.897 -1.299 1.817
H11 -0.897 -1.299 1.817

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.82981.82981.52301.52302.17392.17392.15602.15602.15602.1560
Cl21.82982.96662.72852.72852.90982.90983.71532.91252.91253.7153
Cl31.82982.96662.72852.72852.90982.90982.91253.71533.71532.9125
C41.52302.72852.72852.55511.09853.50381.10151.10152.80242.8024
C51.52302.72852.72852.55513.50381.09852.80242.80241.10151.1015
H62.17392.90982.90981.09853.50384.33241.79071.79073.80343.8034
H72.17392.90982.90983.50381.09854.33243.80343.80341.79071.7907
H82.15603.71532.91251.10152.80241.79073.80341.79373.15772.5988
H92.15602.91253.71531.10152.80241.79073.80341.79372.59883.1577
H102.15602.91253.71532.80241.10153.80341.79073.15772.59881.7937
H112.15603.71532.91252.80241.10153.80341.79072.59883.15771.7937

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 111.010 C1 C4 H8 109.422
C1 C4 H9 109.422 C1 C5 H7 111.010
C1 C5 H10 109.422 C1 C5 H11 109.422
Cl2 C1 Cl3 108.311 Cl2 C1 C4 108.590
Cl2 C1 C5 108.590 Cl3 C1 C4 108.590
Cl3 C1 C5 108.590 C4 C1 C5 114.032
H6 C4 H8 108.967 H6 C4 H9 108.967
H7 C5 H10 108.967 H7 C5 H11 108.967
H8 C4 H9 109.021 H10 C5 H11 109.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 Cl -0.018      
3 Cl -0.018      
4 C -0.323      
5 C -0.323      
6 H 0.163      
7 H 0.163      
8 H 0.149      
9 H 0.149      
10 H 0.149      
11 H 0.149      


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 2.486 2.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.062 0.000 0.000
y 0.000 -42.763 0.000
z 0.000 0.000 -43.391
Traceless
 xyz
x -3.984 0.000 0.000
y 0.000 2.464 0.000
z 0.000 0.000 1.521
Polar
3z2-r23.041
x2-y2-4.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.236 0.000 0.000
y 0.000 6.859 0.000
z 0.000 0.000 7.958


<r2> (average value of r2) Å2
<r2> 190.391
(<r2>)1/2 13.798