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All results from a given calculation for CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-1195.895896
Energy at 298.15K-1195.899472
HF Energy-1194.883394
Nuclear repulsion energy377.927252
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 QCISD/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' 3186 3043 14.01      
2 A' 3173 3031 3.58      
3 A' 1468 1402 39.30      
4 A' 1294 1236 1.04      
5 A' 1168 1115 118.93      
6 A' 1097 1048 35.02      
7 A' 814 778 28.75      
8 A' 588 562 7.81      
9 A' 410 392 18.81      
10 A' 351 335 10.04      
11 A' 255 243 0.23      
12 A" 1419 1355 11.34      
13 A" 1291 1233 20.58      
14 A" 1159 1108 161.36      
15 A" 854 816 110.14      
16 A" 405 387 0.98      
17 A" 183 175 1.46      
18 A" 80 76 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 9596.7 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9167.7 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 QCISD/TZVP
ABC
0.08230 0.07034 0.03927

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.411 -0.230 0.000
C2 -0.353 1.092 0.000
H3 1.485 -0.061 0.000
H4 -1.427 0.923 0.000
Cl5 -0.008 -1.139 1.475
Cl6 -0.008 -1.139 -1.475
F7 -0.008 1.816 1.090
F8 -0.008 1.816 -1.090

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52681.08722.17021.78251.78252.35572.3557
C21.52682.17021.08722.69642.69641.35361.3536
H31.08722.17023.07452.35942.35942.63462.6346
H42.17021.08723.07452.90552.90552.00032.0003
Cl51.78252.69642.35942.90552.94942.98013.9129
Cl61.78252.69642.35942.90552.94943.91292.9801
F72.35571.35362.63462.00032.98013.91292.1800
F82.35571.35362.63462.00033.91292.98012.1800

picture of 1,1-dichloro-2,2-difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.126 C1 C2 F7 109.593
C1 C2 F8 109.593 C2 C1 H3 111.126
C2 C1 Cl5 108.890 C2 C1 Cl6 108.890
H3 C1 Cl5 108.149 H3 C1 Cl6 108.149
H4 C2 F7 109.591 H4 C2 F8 109.591
Cl5 C1 Cl6 111.651 F7 C2 F8 107.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability