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: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-737.925597
Energy at 298.15K-737.929863
HF Energy-737.925597
Nuclear repulsion energy243.688455
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 B3LYP/6-31+G**
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' 3159 3046 3.48      
2 A' 3074 2964 2.12      
3 A' 1487 1433 1.05      
4 A' 1427 1376 31.95      
5 A' 1224 1180 131.14      
6 A' 1135 1094 177.71      
7 A' 895 863 136.61      
8 A' 668 644 60.72      
9 A' 531 512 14.33      
10 A' 422 407 2.30      
11 A' 301 290 1.43      
12 A" 3175 3061 2.13      
13 A" 1484 1431 3.46      
14 A" 1192 1149 168.74      
15 A" 965 930 77.70      
16 A" 428 412 0.10      
17 A" 329 317 0.46      
18 A" 246 237 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11069.4 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 10673.1 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 B3LYP/6-31+G**
ABC
0.17258 0.10566 0.10310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.350 0.011 0.000
C2 -0.820 1.444 0.000
Cl3 1.446 -0.137 0.000
F4 -0.820 -0.654 1.091
F5 -0.820 -0.654 -1.091
H6 -1.913 1.447 0.000
H7 -0.452 1.955 0.892
H8 -0.452 1.955 -0.892

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.50781.80281.36131.36132.12222.14052.1405
C21.50782.76302.36472.36471.09341.09111.0911
Cl31.80282.76302.56762.56763.71412.96192.9619
F41.36132.36472.56762.18262.60762.64153.2969
F51.36132.36472.56762.18262.60763.29692.6415
H62.12221.09343.71412.60762.60761.78511.7851
H72.14051.09112.96192.64153.29691.78511.7830
H82.14051.09112.96193.29692.64151.78511.7830

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 108.290 C1 C2 H7 109.862
C1 C2 H8 109.862 C2 C1 Cl3 112.849
C2 C1 F4 110.908 C2 C1 F5 110.908
Cl3 C1 F4 107.662 Cl3 C1 F5 107.662
F4 C1 F5 106.574 H6 C2 H7 109.607
H6 C2 H8 109.607 H7 C2 H8 109.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.348      
2 C -0.457      
3 Cl 0.027      
4 F -0.238      
5 F -0.238      
6 H 0.184      
7 H 0.187      
8 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.651 2.310 0.000 2.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.198 -2.018 0.000
y -2.018 -33.890 0.000
z 0.000 0.000 -37.027
Traceless
 xyz
x 0.260 -2.018 0.000
y -2.018 2.223 0.000
z 0.000 0.000 -2.483
Polar
3z2-r2-4.966
x2-y2-1.309
xy-2.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.903 -0.316 0.000
y -0.316 5.250 0.000
z 0.000 0.000 5.044


<r2> (average value of r2) Å2
<r2> 131.865
(<r2>)1/2 11.483