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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-305.601212
Energy at 298.15K-305.604415
HF Energy-305.121149
Nuclear repulsion energy202.895766
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/LANL2DZ
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' 3216 3097 13.29      
2 A' 3204 3086 1.97      
3 A' 1414 1361 18.01      
4 A' 1264 1218 4.05      
5 A' 1127 1085 52.29      
6 A' 984 948 71.00      
7 A' 739 712 31.12      
8 A' 499 480 8.50      
9 A' 366 352 31.17      
10 A' 328 316 10.03      
11 A' 238 229 0.16      
12 A" 1345 1296 4.78      
13 A" 1250 1204 8.72      
14 A" 997 961 129.99      
15 A" 761 732 79.90      
16 A" 368 354 0.74      
17 A" 173 167 2.61      
18 A" 71 69 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 9171.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 8832.7 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/LANL2DZ
ABC
0.07566 0.06551 0.03634

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.426 -0.213 0.000
C2 -0.376 1.104 0.000
H3 1.511 -0.065 0.000
H4 -1.461 0.956 0.000
Cl5 -0.007 -1.182 1.534
Cl6 -0.007 -1.182 -1.534
F7 -0.007 1.886 1.149
F8 -0.007 1.886 -1.149

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.54221.09532.22001.86541.86542.43162.4316
C21.54222.22001.09532.77782.77781.43781.4378
H31.09532.22003.14282.43042.43042.72562.7256
H42.22001.09533.14283.00643.00642.07382.0738
Cl51.86542.77782.43043.00643.06813.09234.0755
Cl61.86542.77782.43043.00643.06814.07553.0923
F72.43161.43782.72562.07383.09234.07552.2972
F82.43161.43782.72562.07384.07553.09232.2972

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 113.562 C1 C2 F7 109.321
C1 C2 F8 109.321 C2 C1 H3 113.562
C2 C1 Cl5 108.838 C2 C1 Cl6 108.838
H3 C1 Cl5 107.477 H3 C1 Cl6 107.477
H4 C2 F7 109.163 H4 C2 F8 109.163
Cl5 C1 Cl6 110.644 F7 C2 F8 106.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability