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 CH3CHFCl (Ethane, 1-chloro-1-fluoro-)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-638.635322
Energy at 298.15K-638.640237
Nuclear repulsion energy166.092611
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 B1B95/6-31G**
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 3192 3048 7.68      
2 A 3174 3031 8.88      
3 A 3129 2988 19.27      
4 A 3084 2945 4.84      
5 A 1494 1426 2.13      
6 A 1487 1420 4.27      
7 A 1427 1363 31.71      
8 A 1385 1322 9.72      
9 A 1316 1256 50.28      
10 A 1174 1121 132.13      
11 A 1141 1089 18.90      
12 A 1042 995 24.14      
13 A 930 888 42.31      
14 A 683 652 71.89      
15 A 473 451 9.73      
16 A 375 358 2.10      
17 A 319 305 1.74      
18 A 263 251 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 13043.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 12454.2 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 B1B95/6-31G**
ABC
0.30339 0.15409 0.11066

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.412 0.107 0.387
C2 1.252 -1.034 -0.111
H3 0.423 0.212 1.474
F4 0.841 1.274 -0.166
Cl5 -1.316 -0.128 -0.055
H6 1.175 -1.105 -1.196
H7 2.294 -0.851 0.161
H8 0.928 -1.975 0.332

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.50211.09121.36061.79992.13502.12372.1457
C21.50212.17982.34522.72451.09021.09211.0896
H31.09122.17981.99732.34053.07042.52062.5179
F41.36062.34521.99732.57492.61362.59523.2882
Cl51.79992.72452.34052.57492.90943.68852.9327
H62.13501.09023.07042.61362.90941.77721.7768
H72.12371.09212.52062.59523.68851.77721.7772
H82.14571.08962.51793.28822.93271.77681.7772

picture of Ethane, 1-chloro-1-fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.868 C1 C2 H7 108.865
C1 C2 H8 110.762 C2 C1 H3 113.451
C2 C1 F4 109.913 C2 C1 Cl5 110.877
H3 C1 F4 108.604 H3 C1 Cl5 105.469
F4 C1 Cl5 108.319 H6 C2 H7 109.042
H6 C2 H8 109.190 H7 C2 H8 109.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 C -0.382      
3 H 0.163      
4 F -0.272      
5 Cl -0.066      
6 H 0.163      
7 H 0.150      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.602 -1.314 0.922 2.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.385 -1.500 0.561
y -1.500 -31.060 0.463
z 0.561 0.463 -28.960
Traceless
 xyz
x -0.375 -1.500 0.561
y -1.500 -1.387 0.463
z 0.561 0.463 1.762
Polar
3z2-r23.525
x2-y20.675
xy-1.500
xz0.561
yz0.463


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.142 0.007 0.285
y 0.007 4.162 0.062
z 0.285 0.062 4.026


<r2> (average value of r2) Å2
<r2> 105.029
(<r2>)1/2 10.248