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: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-1036.833531
Energy at 298.15K 
HF Energy-1036.074868
Nuclear repulsion energy295.556546
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 CCD/6-31+G**
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 3229 3043 10.36      
2 A1 3125 2944 13.76      
3 A1 1538 1449 3.27      
4 A1 1482 1396 4.65      
5 A1 1231 1160 26.81      
6 A1 971 915 7.01      
7 A1 591 557 12.74      
8 A1 378 356 0.26      
9 A1 269 253 1.00      
10 A2 3208 3023 0.00      
11 A2 1524 1436 0.00      
12 A2 1063 1002 0.00      
13 A2 293 276 0.00      
14 A2 278 262 0.00      
15 B1 3213 3028 22.82      
16 B1 1543 1454 7.20      
17 B1 1192 1123 73.08      
18 B1 729 687 74.43      
19 B1 375 353 1.40      
20 B1 315 297 0.01      
21 B2 3228 3041 6.11      
22 B2 3121 2941 7.49      
23 B2 1525 1437 3.78      
24 B2 1464 1379 11.95      
25 B2 1260 1187 3.65      
26 B2 989 932 0.01      
27 B2 403 380 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 19268.7 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 18156.9 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 CCD/6-31+G**
ABC
0.12235 0.08161 0.07160

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.332
Cl2 1.459 0.000 -0.717
Cl3 -1.459 0.000 -0.717
C4 0.000 1.267 1.174
C5 0.000 -1.267 1.174
H6 0.000 2.152 0.542
H7 0.000 -2.152 0.542
H8 -0.888 1.281 1.806
H9 0.888 1.281 1.806
H10 0.888 -1.281 1.806
H11 -0.888 -1.281 1.806

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.79771.79771.52091.52092.16202.16202.14522.14522.14522.1452
Cl21.79772.91862.70412.70412.88892.88893.67682.88712.88713.6768
Cl31.79772.91862.70412.70412.88892.88892.88713.67683.67682.8871
C41.52092.70412.70412.53331.08783.47641.08991.08992.77132.7713
C51.52092.70412.70412.53333.47641.08782.77132.77131.08991.0899
H62.16202.88892.88891.08783.47644.30361.77311.77313.76473.7647
H72.16202.88892.88893.47641.08784.30363.76473.76471.77311.7731
H82.14523.67682.88711.08992.77131.77313.76471.77613.11812.5628
H92.14522.88713.67681.08992.77131.77313.76471.77612.56283.1181
H102.14522.88713.67682.77131.08993.76471.77313.11812.56281.7761
H112.14523.67682.88712.77131.08993.76471.77312.56283.11811.7761

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 110.856 C1 C4 H8 109.393
C1 C4 H9 109.393 C1 C5 H7 110.856
C1 C5 H10 109.393 C1 C5 H11 109.393
Cl2 C1 Cl3 108.535 Cl2 C1 C4 108.859
Cl2 C1 C5 108.859 Cl3 C1 C4 108.859
Cl3 C1 C5 108.859 C4 C1 C5 112.785
H6 C4 H8 109.017 H6 C4 H9 109.017
H7 C5 H10 109.017 H7 C5 H11 109.017
H8 C4 H9 109.138 H10 C5 H11 109.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability