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

using model chemistry: B2PLYP=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-1197.144415
Energy at 298.15K-1197.147905
HF Energy-1196.788939
Nuclear repulsion energy375.845309
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/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 A 3159 3014 0.14      
2 A 1420 1355 6.90      
3 A 1317 1257 12.17      
4 A 1129 1077 127.71      
5 A 1068 1019 153.65      
6 A 833 795 100.71      
7 A 458 437 1.48      
8 A 314 299 1.42      
9 A 168 160 0.70      
10 A 77 74 0.64      
11 B 3171 3026 8.84      
12 B 1368 1306 5.87      
13 B 1255 1197 30.23      
14 B 1076 1027 29.42      
15 B 824 786 100.63      
16 B 437 417 14.14      
17 B 390 372 8.32      
18 B 334 318 10.86      

Unscaled Zero Point Vibrational Energy (zpe) 9398.0 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 8967.6 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/TZVP
ABC
0.09722 0.05992 0.03856

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.221 0.730 0.402
C2 0.221 -0.730 0.402
H3 -1.302 0.821 0.350
H4 1.302 -0.821 0.350
F5 0.221 1.301 1.559
F6 -0.221 -1.301 1.559
Cl7 0.482 1.605 -0.988
Cl8 -0.482 -1.605 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52621.08592.17501.36432.33801.78592.7293
C21.52622.17501.08592.33801.36432.72931.7859
H31.08592.17503.07902.00332.67062.36412.8888
H42.17501.08593.07902.67062.00332.88882.3641
F51.36432.33802.00332.67062.64012.57743.9272
F62.33801.36432.67062.00332.64013.92722.5774
Cl71.78592.72932.36412.88882.57743.92723.3511
Cl82.72931.78592.88882.36413.92722.57743.3511

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 111.640 C1 C2 F6 107.838
C1 C2 Cl8 110.742 C2 C1 H3 111.640
C2 C1 F5 107.838 C2 C1 Cl7 110.742
H3 C1 F5 109.165 H3 C1 Cl7 108.343
H4 C2 F6 109.165 H4 C2 Cl8 108.343
F5 C1 Cl7 109.073 F6 C2 Cl8 109.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability