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

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

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(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.895152
Energy at 298.15K-1195.898593
HF Energy-1194.812026
Nuclear repulsion energy375.315982
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(T)=FULL/aug-cc-pVDZ
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' 3145 3051        
2 A' 3129 3035        
3 A' 1400 1359        
4 A' 1234 1197        
5 A' 1140 1106        
6 A' 1057 1025        
7 A' 786 762        
8 A' 554 537        
9 A' 391 379        
10 A' 338 328        
11 A' 248 241        
12 A" 1341 1301        
13 A" 1221 1185        
14 A" 1098 1065        
15 A" 813 789        
16 A" 392 380        
17 A" 178 173        
18 A" 77 75        

Unscaled Zero Point Vibrational Energy (zpe) 9271.2 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 8994.0 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(T)=FULL/aug-cc-pVDZ
ABC
0.08148 0.06936 0.03882

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.417 -0.226 0.000
C2 -0.362 1.094 0.000
H3 1.504 -0.058 0.000
H4 -1.449 0.927 0.000
Cl5 -0.007 -1.147 1.478
Cl6 -0.007 -1.147 -1.478
F7 -0.007 1.829 1.104
F8 -0.007 1.829 -1.104

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53271.10012.19361.79251.79252.37102.3710
C21.53272.19361.10012.70792.70791.37301.3730
H31.10012.19363.11372.37792.37792.65842.6584
H42.19361.10013.11372.92642.92642.02802.0280
Cl51.79252.70792.37792.92642.95582.99963.9401
Cl61.79252.70792.37792.92642.95583.94012.9996
F72.37101.37302.65842.02802.99963.94012.2081
F82.37101.37302.65842.02803.94012.99962.2081

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 111.804 C1 C2 F7 109.251
C1 C2 F8 109.251 C2 C1 H3 111.804
C2 C1 Cl5 108.798 C2 C1 Cl6 108.798
H3 C1 Cl5 108.192 H3 C1 Cl6 108.192
H4 C2 F7 109.683 H4 C2 F8 109.683
Cl5 C1 Cl6 111.074 F7 C2 F8 107.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability