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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-1195.851166
Energy at 298.15K-1195.854710
HF Energy-1194.876922
Nuclear repulsion energy375.824972
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3183 3017 0.00      
2 Ag 1436 1361 0.00      
3 Ag 1366 1294 0.00      
4 Ag 1151 1091 0.00      
5 Ag 1099 1041 0.00      
6 Ag 862 817 0.00      
7 Ag 526 499 0.00      
8 Ag 383 363 0.00      
9 Ag 274 260 0.00      
10 Au 3195 3029 9.84      
11 Au 1358 1287 23.52      
12 Au 1282 1215 37.67      
13 Au 1129 1070 258.03      
14 Au 808 765 198.75      
15 Au 411 389 3.78      
16 Au 382 362 30.40      
17 Au 175 166 1.16      
18 Au 75 71 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 9546.0 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9048.7 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/TZVP
ABC
0.13392 0.04925 0.03719

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.013 0.000 -1.154
H4 -1.013 0.000 1.154
F5 -0.656 -1.109 -1.203
F6 0.656 1.109 1.203
Cl7 -0.836 1.450 -1.352
Cl8 0.836 -1.450 1.352

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52201.08712.16681.36242.34941.77552.6961
C21.52202.16681.08712.34941.36242.69611.7755
H31.08712.16683.07202.00482.63002.35872.9013
H42.16681.08713.07202.63002.00482.90132.3587
F51.36242.34942.00482.63003.52642.57032.9789
F62.34941.36242.63002.00483.52642.97892.5703
Cl71.77552.69612.35872.90132.57032.97894.3041
Cl82.69611.77552.90132.35872.97892.57034.3041

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.202 C1 C2 F6 108.951
C1 C2 Cl8 109.452 C2 C1 H3 111.202
C2 C1 F5 108.951 C2 C1 Cl7 109.452
H3 C1 F5 109.349 H3 C1 Cl7 108.573
H4 C2 F6 109.349 H4 C2 Cl8 108.573
F5 C1 Cl7 109.289 F6 C2 Cl8 109.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability