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 CH2FCl (fluorochloromethane)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-592.438024
Energy at 298.15K-592.440585
Nuclear repulsion energy97.795894
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 B1B95/STO-3G
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' 3263 2881 3.71      
2 A' 1618 1429 0.75      
3 A' 1412 1247 43.83      
4 A' 1252 1105 60.62      
5 A' 785 693 58.50      
6 A' 376 332 3.58      
7 A" 3381 2985 2.49      
8 A" 1278 1128 3.02      
9 A" 1010 892 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 7187.2 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6346.3 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 B1B95/STO-3G
ABC
1.36662 0.17362 0.15898

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.841 0.000
F2 1.372 0.848 0.000
Cl3 -0.677 -0.901 0.000
H4 -0.420 1.319 0.917
H5 -0.420 1.319 -0.917

Atom - Atom Distances (Å)
  C1 F2 Cl3 H4 H5
C11.37251.86831.11651.1165
F21.37252.69392.06802.0680
Cl31.86832.69392.41542.4154
H41.11652.06802.41541.8346
H51.11652.06802.41541.8346

picture of fluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 111.542 F2 C1 H4 111.963
F2 C1 H5 111.963 Cl3 C1 H4 105.244
Cl3 C1 H5 105.244 H4 C1 H5 110.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.012      
2 F -0.053      
3 Cl -0.186      
4 H 0.113      
5 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.180 2.298 0.000 2.305
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.094 -1.354 0.000
y -1.354 -21.430 0.000
z 0.000 0.000 -21.336
Traceless
 xyz
x -1.711 -1.354 0.000
y -1.354 0.785 0.000
z 0.000 0.000 0.926
Polar
3z2-r21.852
x2-y2-1.664
xy-1.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.512 0.705 0.000
y 0.705 2.320 0.000
z 0.000 0.000 0.891


<r2> (average value of r2) Å2
<r2> 68.470
(<r2>)1/2 8.275