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All results from a given calculation for CH3CCl2CH3 (Propane, 2,2-dichloro-)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-1031.804693
Energy at 298.15K 
HF Energy-1031.256945
Nuclear repulsion energy292.668978
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 MP2/3-21G*
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 3195 3039 4.55 61.61 0.74 0.85
2 A1 3100 2949 5.93 163.86 0.01 0.01
3 A1 1586 1509 4.13 32.22 0.75 0.86
4 A1 1508 1435 6.99 3.60 0.41 0.58
5 A1 1249 1188 29.53 1.14 0.17 0.29
6 A1 919 875 9.40 8.08 0.75 0.86
7 A1 556 529 14.74 13.62 0.04 0.08
8 A1 375 356 1.00 2.32 0.31 0.47
9 A1 263 250 1.25 4.20 0.65 0.79
10 A2 3176 3022 0.00 7.11 0.75 0.86
11 A2 1578 1501 0.00 32.20 0.75 0.86
12 A2 1101 1047 0.00 4.02 0.75 0.86
13 A2 299 285 0.00 0.82 0.75 0.86
14 A2 289 275 0.00 0.53 0.75 0.86
15 B1 3182 3027 11.45 106.15 0.75 0.86
16 B1 1596 1518 10.73 0.01 0.75 0.86
17 B1 1216 1157 78.12 0.41 0.75 0.86
18 B1 662 630 85.25 14.01 0.75 0.86
19 B1 368 350 2.21 1.58 0.75 0.86
20 B1 317 301 0.02 0.00 0.75 0.86
21 B2 3193 3038 3.54 31.77 0.75 0.86
22 B2 3097 2946 2.07 0.02 0.75 0.86
23 B2 1574 1497 6.55 0.00 0.75 0.86
24 B2 1493 1420 18.00 6.53 0.75 0.86
25 B2 1226 1167 7.92 0.05 0.75 0.86
26 B2 992 944 0.02 2.19 0.75 0.86
27 B2 397 378 3.15 1.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19252.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 18314.8 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 MP2/3-21G*
ABC
0.12005 0.07990 0.07012

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.343
Cl2 1.475 0.000 -0.724
Cl3 -1.475 0.000 -0.724
C4 0.000 1.280 1.186
C5 0.000 -1.280 1.186
H6 0.000 2.160 0.538
H7 0.000 -2.160 0.538
H8 -0.895 1.293 1.816
H9 0.895 1.293 1.816
H10 0.895 -1.293 1.816
H11 -0.895 -1.293 1.816

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.82121.82121.53311.53312.16882.16882.15462.15462.15462.1546
Cl21.82122.95092.73262.73262.90462.90463.70732.90922.90923.7073
Cl31.82122.95092.73262.73262.90462.90462.90923.70733.70732.9092
C41.53312.73262.73262.56091.09243.50091.09431.09432.79652.7965
C51.53312.73262.73262.56093.50091.09242.79652.79651.09431.0943
H62.16882.90462.90461.09243.50094.31991.78461.78463.78913.7891
H72.16882.90462.90463.50091.09244.31993.78913.78911.78461.7846
H82.15463.70732.90921.09432.79651.78463.78911.78943.14492.5862
H92.15462.90923.70731.09432.79651.78463.78911.78942.58623.1449
H102.15462.90923.70732.79651.09433.78911.78463.14492.58621.7894
H112.15463.70732.90922.79651.09433.78911.78462.58623.14491.7894

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 110.261 C1 C4 H8 109.040
C1 C4 H9 109.040 C1 C5 H7 110.261
C1 C5 H10 109.040 C1 C5 H11 109.040
Cl2 C1 Cl3 108.227 Cl2 C1 C4 108.805
Cl2 C1 C5 108.805 Cl3 C1 C4 108.805
Cl3 C1 C5 108.805 C4 C1 C5 113.278
H6 C4 H8 109.398 H6 C4 H9 109.398
H7 C5 H10 109.398 H7 C5 H11 109.398
H8 C4 H9 109.692 H10 C5 H11 109.692
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability