return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CF2Cl (1-Chloro-1,1-Difluoroethane)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-737.939664
Energy at 298.15K-737.943786
HF Energy-737.939664
Nuclear repulsion energy240.933108
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 BLYP/6-311G*
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' 3061 3053 8.08      
2 A' 2990 2982 4.24      
3 A' 1461 1458 1.28      
4 A' 1395 1391 26.37      
5 A' 1173 1170 144.87      
6 A' 1099 1097 148.47      
7 A' 845 843 148.44      
8 A' 628 627 77.25      
9 A' 516 515 15.13      
10 A' 388 387 9.74      
11 A' 288 287 0.65      
12 A" 3080 3073 6.26      
13 A" 1459 1455 2.82      
14 A" 1160 1157 139.83      
15 A" 925 923 90.15      
16 A" 412 411 0.09      
17 A" 316 315 0.47      
18 A" 248 248 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10722.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 10695.5 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 BLYP/6-311G*
ABC
0.16978 0.10272 0.10036

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.369 0.006 0.000
C2 -0.831 1.449 0.000
Cl3 1.472 -0.129 0.000
F4 -0.831 -0.663 1.102
F5 -0.831 -0.663 -1.102
H6 -1.930 1.460 0.000
H7 -0.464 1.964 0.895
H8 -0.464 1.964 -0.895

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.51541.84581.36881.36882.13352.15552.1555
C21.51542.79152.38142.38141.09891.09581.0958
Cl31.84582.79152.60832.60833.75452.98812.9881
F41.36882.38142.60832.20302.63162.66063.3196
F51.36882.38142.60832.20302.63163.31962.6606
H62.13351.09893.75452.63162.63161.78991.7899
H72.15551.09582.98812.66063.31961.78991.7891
H82.15551.09582.98813.31962.66061.78991.7891

picture of 1-Chloro-1,1-Difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 108.335 C1 C2 H7 110.234
C1 C2 H8 110.234 C2 C1 Cl3 111.930
C2 C1 F4 111.216 C2 C1 F5 111.216
Cl3 C1 F4 107.540 Cl3 C1 F5 107.540
F4 C1 F5 107.170 H6 C2 H7 109.287
H6 C2 H8 109.287 H7 C2 H8 109.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.346      
2 C -0.613      
3 Cl -0.086      
4 F -0.174      
5 F -0.174      
6 H 0.229      
7 H 0.236      
8 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.038 2.096 0.000 2.339
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.427 -1.528 0.000
y -1.528 -34.088 0.000
z 0.000 0.000 -36.703
Traceless
 xyz
x -0.031 -1.528 0.000
y -1.528 1.977 0.000
z 0.000 0.000 -1.945
Polar
3z2-r2-3.891
x2-y2-1.339
xy-1.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.882 -0.491 0.000
y -0.491 4.584 0.000
z 0.000 0.000 4.227


<r2> (average value of r2) Å2
<r2> 134.568
(<r2>)1/2 11.600