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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-1189.748268
Energy at 298.15K-1189.751723
HF Energy-1189.065450
Nuclear repulsion energy374.506786
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 MP2/3-21G*
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' 3212 3055 2.35      
2 A' 3191 3036 20.27      
3 A' 1479 1407 24.80      
4 A' 1312 1248 0.63      
5 A' 1127 1073 96.08      
6 A' 1064 1012 23.22      
7 A' 789 751 27.93      
8 A' 544 518 10.07      
9 A' 382 364 21.00      
10 A' 350 333 11.46      
11 A' 255 243 0.05      
12 A" 1466 1394 14.29      
13 A" 1305 1242 14.23      
14 A" 1185 1127 81.24      
15 A" 808 769 108.28      
16 A" 398 378 2.42      
17 A" 177 168 1.98      
18 A" 80 76 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 9561.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 9096.2 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 MP2/3-21G*
ABC
0.08049 0.06985 0.03872

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.406 -0.224 0.000
C2 -0.372 1.098 0.000
H3 1.477 -0.036 0.000
H4 -1.443 0.909 0.000
Cl5 -0.005 -1.144 1.479
Cl6 -0.005 -1.144 -1.479
F7 -0.005 1.821 1.134
F8 -0.005 1.821 -1.134

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53401.08752.16911.78921.78922.37392.3739
C21.53402.16911.08752.71032.71031.39391.3939
H31.08752.16913.06962.36872.36872.63202.6320
H42.16911.08753.06962.91052.91052.04592.0459
Cl51.78922.71032.36872.91052.95722.98483.9513
Cl61.78922.71032.36872.91052.95723.95132.9848
F72.37391.39392.63202.04592.98483.95132.2670
F82.37391.39392.63202.04593.95132.98482.2670

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 110.517 C1 C2 F7 108.253
C1 C2 F8 108.253 C2 C1 H3 110.517
C2 C1 Cl5 109.053 C2 C1 Cl6 109.053
H3 C1 Cl5 108.376 H3 C1 Cl6 108.376
H4 C2 F7 110.466 H4 C2 F8 110.466
Cl5 C1 Cl6 111.465 F7 C2 F8 108.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability