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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-1195.969772
Energy at 298.15K-1195.973380
HF Energy-1194.839508
Nuclear repulsion energy378.658273
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/6-311G*
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 3181 3013 0.59      
2 A 1447 1370 8.14      
3 A 1359 1287 17.87      
4 A 1167 1105 105.19      
5 A 1106 1047 158.57      
6 A 877 830 87.94      
7 A 477 452 0.58      
8 A 323 306 1.43      
9 A 174 165 0.78      
10 A 86 82 0.61      
11 B 3192 3023 14.20      
12 B 1392 1319 12.75      
13 B 1286 1218 29.15      
14 B 1114 1055 23.00      
15 B 868 822 107.27      
16 B 446 422 12.51      
17 B 406 384 8.45      
18 B 343 325 11.58      

Unscaled Zero Point Vibrational Energy (zpe) 9621.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 9112.8 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=FULL/6-311G*
ABC
0.09849 0.06108 0.03918

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.727 0.395
C2 0.224 -0.727 0.395
H3 -1.311 0.802 0.361
H4 1.311 -0.802 0.361
F5 0.224 1.292 1.550
F6 -0.224 -1.292 1.550
Cl7 0.454 1.594 -0.981
Cl8 -0.454 -1.594 -0.981

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52151.08972.16651.36202.32601.76212.7077
C21.52152.16651.08972.32601.36202.70771.7621
H31.08972.16653.07302.00282.64182.35432.8761
H42.16651.08973.07302.64182.00282.87612.3543
F51.36202.32602.00282.64182.62212.56003.8981
F62.32601.36202.64182.00282.62213.89812.5600
Cl71.76212.70772.35432.87612.56003.89813.3142
Cl82.70771.76212.87612.35433.89812.56003.3142

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.062 C1 C2 F6 107.416
C1 C2 Cl8 110.888 C2 C1 H3 111.062
C2 C1 F5 107.416 C2 C1 Cl7 110.888
H3 C1 F5 109.048 H3 C1 Cl7 109.000
H4 C2 F6 109.048 H4 C2 Cl8 109.000
F5 C1 Cl7 109.387 F6 C2 Cl8 109.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability