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 CH2ClCHClCH3 (Propane, 1,2-dichloro-)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-146.798497
Energy at 298.15K-146.805296
HF Energy-146.465774
Nuclear repulsion energy141.962594
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3213 3094 10.19      
2 A 3158 3042 29.99      
3 A 3149 3033 14.35      
4 A 3138 3023 3.73      
5 A 3118 3003 12.69      
6 A 3036 2924 15.55      
7 A 1536 1479 11.65      
8 A 1532 1476 6.98      
9 A 1513 1458 6.03      
10 A 1466 1412 12.79      
11 A 1412 1360 1.51      
12 A 1359 1309 3.53      
13 A 1295 1247 13.01      
14 A 1245 1199 18.86      
15 A 1173 1130 2.69      
16 A 1102 1061 4.68      
17 A 1061 1022 13.49      
18 A 941 906 3.39      
19 A 885 853 2.13      
20 A 709 683 10.84      
21 A 640 616 48.41      
22 A 412 397 0.76      
23 A 341 328 2.84      
24 A 270 260 0.27      
25 A 247 238 0.37      
26 A 198 190 8.60      
27 A 103 99 6.34      

Unscaled Zero Point Vibrational Energy (zpe) 19125.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 18420.0 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/LANL2DZ
ABC
0.21774 0.04497 0.03890

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.555 -0.690 0.362
Cl2 -2.327 -0.184 -0.086
H3 -0.450 -1.728 0.024
H4 -0.479 -0.616 1.455
C5 0.442 0.250 -0.348
H6 0.323 0.189 -1.440
Cl7 2.171 -0.503 -0.023
C8 0.438 1.711 0.151
H9 -0.546 2.169 -0.053
H10 0.633 1.752 1.237
H11 1.215 2.295 -0.367

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 C5 H6 Cl7 C8 H9 H10 H11
C11.89641.09741.09881.54282.18802.75952.60642.88842.85263.5460
Cl21.89642.43302.44492.81532.99914.51033.36042.95133.77634.3330
H31.09742.43301.81312.20192.53312.89413.55483.89933.84144.3723
H41.09882.44491.81312.20223.10993.03662.82063.16762.62483.8297
C51.54282.81532.20192.20221.09981.91401.54452.17872.19192.1868
H62.18802.99912.53313.10991.09982.42992.20502.56883.11492.5264
Cl72.75954.51032.89413.03661.91402.42992.81813.81143.00632.9776
C82.60643.36043.55482.82061.54452.20502.81811.10381.10381.1022
H92.88842.95133.89933.16762.17872.56883.81141.10381.79671.7936
H102.85263.77633.84142.62482.19193.11493.00631.10381.79671.7910
H113.54604.33304.37233.82972.18682.52642.97761.10221.79361.7910

picture of Propane, 1,2-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.664 C1 C5 Cl7 105.429
C1 C5 C8 115.180 Cl2 C1 H3 105.593
Cl2 C1 H4 106.360 Cl2 C1 C5 109.457
H3 C1 H4 111.294 H3 C1 C5 111.915
H4 C1 C5 111.860 C5 C8 H9 109.581
C5 C8 H10 110.614 C5 C8 H11 110.311
H6 C5 Cl7 104.178 H6 C5 C8 111.898
Cl7 C5 C8 108.669 H9 C8 H10 108.949
H9 C8 H11 108.787 H10 C8 H11 108.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability