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 CH2FCH2Cl (Ethane, 1-chloro-2-fluoro-)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
1 2 no C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-638.596837
Energy at 298.15K-638.601711
HF Energy-638.596837
Nuclear repulsion energy157.394423
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 wB97X-D/6-31G(2df,p)
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' 3119 3119 14.06      
2 A' 3060 3060 21.99      
3 A' 1515 1515 1.77      
4 A' 1487 1487 5.66      
5 A' 1429 1429 5.21      
6 A' 1281 1281 8.90      
7 A' 1110 1110 110.97      
8 A' 1077 1077 3.25      
9 A' 799 799 42.57      
10 A' 389 389 2.05      
11 A' 244 244 9.94      
12 A" 3191 3191 6.49      
13 A" 3117 3117 22.08      
14 A" 1301 1301 0.02      
15 A" 1225 1225 1.37      
16 A" 1062 1062 1.93      
17 A" 778 778 0.62      
18 A" 122 122 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 13152.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13152.7 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 wB97X-D/6-31G(2df,p)
ABC
1.00566 0.08006 0.07630

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.616 0.000
C2 0.996 -0.531 0.000
Cl3 -1.663 -0.039 0.000
F4 2.260 -0.001 0.000
H5 0.114 1.233 0.891
H6 0.114 1.233 -0.891
H7 0.865 -1.153 0.892
H8 0.865 -1.153 -0.892

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.51911.78782.34261.08981.08982.16172.1617
C21.51912.70441.37052.16412.16411.09491.0949
Cl31.78782.70443.92342.36092.36092.90322.9032
F42.34261.37053.92342.63052.63052.01682.0168
H51.08982.16412.36092.63051.78152.50163.0716
H61.08982.16412.36092.63051.78153.07162.5016
H72.16171.09492.90322.01682.50163.07161.7831
H82.16171.09492.90322.01683.07162.50161.7831

picture of Ethane, 1-chloro-2-fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 108.215 C1 C2 H7 110.521
C1 C2 H8 110.521 C2 C1 Cl3 109.465
C2 C1 H5 111.027 C2 C1 H6 111.027
Cl3 C1 H5 107.783 Cl3 C1 H6 107.783
F4 C2 H7 109.267 F4 C2 H8 109.267
H5 C1 H6 109.644 H7 C2 H8 109.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.256      
2 C -0.058      
3 Cl -0.165      
4 F -0.170      
5 H 0.183      
6 H 0.183      
7 H 0.141      
8 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.355 0.137 0.000 0.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.571 -0.505 0.000
y -0.505 -28.512 0.000
z 0.000 0.000 -29.094
Traceless
 xyz
x -7.768 -0.505 0.000
y -0.505 4.320 0.000
z 0.000 0.000 3.448
Polar
3z2-r26.896
x2-y2-8.058
xy-0.505
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.349 0.266 0.000
y 0.266 4.701 0.000
z 0.000 0.000 4.409


<r2> (average value of r2) Å2
<r2> 132.953
(<r2>)1/2 11.531

Conformer 2 (C1)

Jump to S1C1
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-638.596455
Energy at 298.15K-638.601462
HF Energy-638.596455
Nuclear repulsion energy161.394727
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 wB97X-D/6-31G(2df,p)
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 3180 3180 4.60      
2 A 3113 3113 26.36      
3 A 3099 3099 10.94      
4 A 3038 3038 32.66      
5 A 1517 1517 4.19      
6 A 1466 1466 12.89      
7 A 1454 1454 8.68      
8 A 1344 1344 25.81      
9 A 1293 1293 2.90      
10 A 1231 1231 7.35      
11 A 1141 1141 66.83      
12 A 1073 1073 11.71      
13 A 984 984 5.24      
14 A 863 863 5.86      
15 A 707 707 28.48      
16 A 471 471 11.41      
17 A 287 287 0.83      
18 A 131 131 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 13196.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13196.7 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 wB97X-D/6-31G(2df,p)
ABC
0.45604 0.10967 0.09588

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.086 0.845 -0.290
C2 1.208 0.404 0.356
Cl3 -1.430 -0.283 0.064
F4 1.654 -0.759 -0.203
H5 -0.376 1.826 0.087
H6 0.021 0.888 -1.375
H7 1.963 1.186 0.195
H8 1.072 0.254 1.432

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.51221.78992.36871.09101.09052.13292.1581
C21.51222.74131.36562.14622.15351.09831.0953
Cl31.78992.74133.13182.35802.35533.69902.9014
F42.36871.36563.13183.30082.59902.00922.0098
H51.09102.14622.35803.30081.78232.42782.5257
H61.09052.15352.35532.59901.78232.51453.0635
H72.13291.09833.69902.00922.42782.51451.7864
H82.15811.09532.90142.00982.52573.06351.7864

picture of Ethane, 1-chloro-2-fluoro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 110.689 C1 C2 H7 108.541
C1 C2 H8 110.704 C2 C1 Cl3 111.956
C2 C1 H5 110.013 C2 C1 H6 110.624
Cl3 C1 H5 107.370 Cl3 C1 H6 107.200
F4 C2 H7 108.788 F4 C2 H8 109.022
H5 C1 H6 109.573 H7 C2 H8 109.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 C -0.055      
3 Cl -0.160      
4 F -0.162      
5 H 0.174      
6 H 0.185      
7 H 0.132      
8 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.991 2.493 0.224 2.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.603 2.109 0.895
y 2.109 -28.971 -0.493
z 0.895 -0.493 -29.013
Traceless
 xyz
x -3.611 2.109 0.895
y 2.109 1.837 -0.493
z 0.895 -0.493 1.774
Polar
3z2-r23.548
x2-y2-3.632
xy2.109
xz0.895
yz-0.493


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.002 0.751 -0.069
y 0.751 5.027 -0.118
z -0.069 -0.118 4.501


<r2> (average value of r2) Å2
<r2> 115.283
(<r2>)1/2 10.737