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

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.870510
Energy at 298.15K-1195.873902
HF Energy-1194.805552
Nuclear repulsion energy371.984542
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 MP4/6-31G*
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 3149 3076        
2 Ag 1429 1396        
3 Ag 1365 1334        
4 Ag 1151 1125        
5 Ag 1104 1078        
6 Ag 860 841        
7 Ag 520 508        
8 Ag 378 369        
9 Ag 275 269        
10 Au 3160 3087        
11 Au 1352 1321        
12 Au 1274 1244        
13 Au 1133 1107        
14 Au 803 784        
15 Au 402 393        
16 Au 372 364        
17 Au 175 171        
18 Au 80 78        

Unscaled Zero Point Vibrational Energy (zpe) 9491.2 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 9271.9 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 MP4/aug-cc-pVDZ
ABC
0.13094 0.04837 0.03651

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.767
C2 0.000 0.000 0.767
H3 1.021 0.000 -1.180
H4 -1.021 0.000 1.180
F5 -0.675 -1.128 -1.207
F6 0.675 1.128 1.207
Cl7 -0.856 1.453 -1.366
Cl8 0.856 -1.453 1.366

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53351.10112.19771.38632.37121.79012.7191
C21.53352.19771.10112.37121.38632.71911.7901
H31.10112.19773.11982.03712.66192.38122.9358
H42.19771.10113.11982.66192.03712.93582.3812
F51.38632.37122.03712.66193.56902.59273.0115
F62.37121.38632.66192.03713.56903.01152.5927
Cl71.79012.71912.38122.93582.59273.01154.3411
Cl82.71911.79012.93582.38123.01152.59274.3411

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 112.016 C1 C2 F6 108.501
C1 C2 Cl8 109.558 C2 C1 H3 112.016
C2 C1 F5 108.501 C2 C1 Cl7 109.558
H3 C1 F5 109.425 H3 C1 Cl7 108.534
H4 C2 F6 109.425 H4 C2 Cl8 108.534
F5 C1 Cl7 108.754 F6 C2 Cl8 108.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability