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: B2PLYP=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1037.952363
Energy at 298.15K 
HF Energy-1037.696177
Nuclear repulsion energy293.276070
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 B2PLYP=FULL/aug-cc-pVDZ
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 3176 3055 7.24 65.34 0.72 0.84
2 A1 3069 2952 13.04 305.14 0.00 0.01
3 A1 1477 1421 3.63 7.78 0.74 0.85
4 A1 1412 1358 5.69 0.74 0.21 0.35
5 A1 1178 1133 33.39 4.10 0.43 0.60
6 A1 931 896 8.80 6.63 0.66 0.79
7 A1 561 540 15.75 21.75 0.02 0.04
8 A1 367 353 0.98 2.85 0.22 0.36
9 A1 254 244 0.99 2.73 0.62 0.77
10 A2 3147 3027 0.00 13.71 0.75 0.86
11 A2 1467 1411 0.00 8.90 0.75 0.86
12 A2 1018 979 0.00 0.15 0.75 0.86
13 A2 285 275 0.00 1.27 0.75 0.86
14 A2 264 254 0.00 0.01 0.75 0.86
15 B1 3154 3033 18.54 113.58 0.75 0.86
16 B1 1490 1433 5.05 0.09 0.75 0.86
17 B1 1128 1085 79.17 4.79 0.75 0.86
18 B1 648 624 95.97 12.16 0.75 0.86
19 B1 363 349 3.90 1.71 0.75 0.86
20 B1 301 289 0.01 0.00 0.75 0.86
21 B2 3175 3053 4.36 30.14 0.75 0.86
22 B2 3065 2948 4.03 4.02 0.75 0.86
23 B2 1463 1407 3.42 0.04 0.75 0.86
24 B2 1397 1343 15.61 0.21 0.75 0.86
25 B2 1224 1177 4.79 2.27 0.75 0.86
26 B2 951 915 0.00 0.91 0.75 0.86
27 B2 392 377 2.73 1.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18678.3 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 17964.8 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
0.12091 0.08018 0.07042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.352
Cl2 1.474 0.000 -0.722
Cl3 -1.474 0.000 -0.722
C4 0.000 1.275 1.178
C5 0.000 -1.275 1.178
H6 0.000 2.157 0.530
H7 0.000 -2.157 0.530
H8 -0.895 1.294 1.813
H9 0.895 1.294 1.813
H10 0.895 -1.294 1.813
H11 -0.895 -1.294 1.813

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.82341.82341.51951.51952.16442.16442.14752.14752.14752.1475
Cl21.82342.94722.72202.72202.89722.89723.70322.90462.90463.7032
Cl31.82342.94722.72202.72202.89722.89722.90463.70323.70322.9046
C41.51952.72202.72202.54961.09453.49241.09741.09742.79372.7937
C51.51952.72202.72202.54963.49241.09452.79372.79371.09741.0974
H62.16442.89722.89721.09453.49244.31401.78601.78603.78913.7891
H72.16442.89722.89723.49241.09454.31403.78913.78911.78601.7860
H82.14753.70322.90461.09742.79371.78603.78911.79053.14762.5887
H92.14752.90463.70321.09742.79371.78603.78911.79052.58873.1476
H102.14752.90463.70322.79371.09743.78911.78603.14762.58871.7905
H112.14753.70322.90462.79371.09743.78911.78602.58873.14761.7905

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 110.741 C1 C4 H8 109.240
C1 C4 H9 109.240 C1 C5 H7 110.741
C1 C5 H10 109.240 C1 C5 H11 109.240
Cl2 C1 Cl3 107.834 Cl2 C1 C4 108.692
Cl2 C1 C5 108.692 Cl3 C1 C4 108.692
Cl3 C1 C5 108.692 C4 C1 C5 114.066
H6 C4 H8 109.135 H6 C4 H9 109.135
H7 C5 H10 109.135 H7 C5 H11 109.135
H8 C4 H9 109.330 H10 C5 H11 109.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability