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: MP2=FULL/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 MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-1037.008053
Energy at 298.15K 
HF Energy-1036.087798
Nuclear repulsion energy297.622331
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 MP2=FULL/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 3237 3043 2.95 60.17 0.75 0.85
2 A1 3122 2934 5.52 182.81 0.00 0.01
3 A1 1525 1434 2.90 19.45 0.75 0.86
4 A1 1441 1354 6.85 1.71 0.37 0.54
5 A1 1207 1135 32.09 0.93 0.24 0.39
6 A1 970 912 6.33 6.05 0.72 0.84
7 A1 592 556 12.42 13.27 0.03 0.05
8 A1 373 351 0.48 1.43 0.30 0.46
9 A1 265 249 1.20 2.67 0.66 0.80
10 A2 3218 3024 0.00 8.68 0.75 0.86
11 A2 1513 1422 0.00 19.80 0.75 0.86
12 A2 1043 981 0.00 1.62 0.75 0.86
13 A2 298 280 0.00 0.40 0.75 0.86
14 A2 288 270 0.00 0.62 0.75 0.86
15 B1 3222 3029 7.89 101.13 0.75 0.86
16 B1 1536 1443 5.68 0.00 0.75 0.86
17 B1 1160 1090 81.92 0.78 0.75 0.86
18 B1 728 685 74.22 10.03 0.75 0.86
19 B1 371 349 1.73 0.83 0.75 0.86
20 B1 326 306 0.01 0.00 0.75 0.86
21 B2 3236 3041 1.26 29.42 0.75 0.86
22 B2 3119 2932 2.04 0.38 0.75 0.86
23 B2 1511 1420 3.84 0.03 0.75 0.86
24 B2 1426 1340 15.40 2.52 0.75 0.86
25 B2 1251 1176 4.70 0.66 0.75 0.86
26 B2 975 916 0.17 1.85 0.75 0.86
27 B2 399 375 2.51 1.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19175.6 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 18023.2 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 MP2=FULL/6-31G(2df,p)
ABC
0.12411 0.08278 0.07275

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.329
Cl2 1.448 0.000 -0.711
Cl3 -1.448 0.000 -0.711
C4 0.000 1.260 1.164
C5 0.000 -1.260 1.164
H6 0.000 2.141 0.529
H7 0.000 -2.141 0.529
H8 -0.888 1.275 1.794
H9 0.888 1.275 1.794
H10 0.888 -1.275 1.794
H11 -0.888 -1.275 1.794

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.78291.78291.51141.51142.15042.15042.13552.13552.13552.1355
Cl21.78292.89552.68352.68352.86672.86673.65512.86652.86653.6551
Cl31.78292.89552.68352.68352.86672.86672.86653.65513.65512.8665
C41.51142.68352.68352.51921.08693.45971.08901.08902.75842.7584
C51.51142.68352.68352.51923.45971.08692.75842.75841.08901.0890
H62.15042.86672.86671.08693.45974.28231.77241.77243.74963.7496
H72.15042.86672.86673.45971.08694.28233.74963.74961.77241.7724
H82.13553.65512.86651.08902.75841.77243.74961.77633.10732.5495
H92.13552.86653.65511.08902.75841.77243.74961.77632.54953.1073
H102.13552.86653.65512.75841.08903.74961.77243.10732.54951.7763
H112.13553.65512.86652.75841.08903.74961.77242.54953.10731.7763

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 110.654 C1 C4 H8 109.344
C1 C4 H9 109.344 C1 C5 H7 110.654
C1 C5 H10 109.344 C1 C5 H11 109.344
Cl2 C1 Cl3 108.589 Cl2 C1 C4 108.815
Cl2 C1 C5 108.815 Cl3 C1 C4 108.815
Cl3 C1 C5 108.815 C4 C1 C5 112.907
H6 C4 H8 109.095 H6 C4 H9 109.095
H7 C5 H10 109.095 H7 C5 H11 109.095
H8 C4 H9 109.289 H10 C5 H11 109.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability