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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-1195.586771
Energy at 298.15K-1195.590350
HF Energy-1194.725685
Nuclear repulsion energy378.982472
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 MP2/6-31G*
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' 3206 3024 8.95      
2 A' 3195 3013 12.76      
3 A' 1470 1386 39.10      
4 A' 1296 1222 0.41      
5 A' 1177 1110 95.20      
6 A' 1115 1051 41.99      
7 A' 832 784 32.34      
8 A' 572 539 7.21      
9 A' 407 384 17.05      
10 A' 357 336 11.47      
11 A' 262 247 0.28      
12 A" 1429 1348 16.44      
13 A" 1320 1244 21.98      
14 A" 1178 1111 134.76      
15 A" 873 823 118.53      
16 A" 409 385 0.88      
17 A" 188 177 1.42      
18 A" 86 81 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 9684.3 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 9132.3 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 MP2/6-31G*
ABC
0.08284 0.07094 0.03957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.401 -0.229 0.000
C2 -0.362 1.089 0.000
H3 1.478 -0.054 0.000
H4 -1.439 0.915 0.000
Cl5 -0.005 -1.134 1.464
Cl6 -0.005 -1.134 -1.464
F7 -0.005 1.808 1.101
F8 -0.005 1.808 -1.101

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52361.09102.16701.76861.76862.35052.3505
C21.52362.16701.09102.68602.68601.36201.3620
H31.09102.16703.07422.34742.34742.62292.6229
H42.16701.09103.07422.89772.89772.01622.0162
Cl51.76862.68602.34742.89772.92782.96403.9028
Cl61.76862.68602.34742.89772.92783.90282.9640
F72.35051.36202.62292.01622.96403.90282.2019
F82.35051.36202.62292.01623.90282.96402.2019

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 110.866 C1 C2 F7 108.959
C1 C2 F8 108.959 C2 C1 H3 110.866
C2 C1 Cl5 109.123 C2 C1 Cl6 109.123
H3 C1 Cl5 107.999 H3 C1 Cl6 107.999
H4 C2 F7 110.064 H4 C2 F8 110.064
Cl5 C1 Cl6 111.734 F7 C2 F8 107.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability