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: BLYP/6-311G*

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 BLYP/6-311G*
 hartrees
Energy at 0K-638.657062
Energy at 298.15K-638.661814
HF Energy-638.657062
Nuclear repulsion energy154.403915
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' 3024 3017 21.24      
2 A' 2981 2973 25.01      
3 A' 1489 1486 1.35      
4 A' 1466 1462 3.00      
5 A' 1385 1382 2.79      
6 A' 1262 1258 18.22      
7 A' 1030 1028 4.56      
8 A' 974 971 109.92      
9 A' 704 702 52.55      
10 A' 360 359 2.35      
11 A' 231 231 12.10      
12 A" 3086 3079 16.84      
13 A" 3031 3023 22.54      
14 A" 1273 1270 0.11      
15 A" 1186 1183 0.48      
16 A" 1040 1038 4.84      
17 A" 784 782 1.19      
18 A" 126 125 9.69      

Unscaled Zero Point Vibrational Energy (zpe) 12715.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 12683.8 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
0.98843 0.07668 0.07317

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 0.000 0.614 0.000
C2 1.020 -0.521 0.000
Cl3 -1.702 -0.079 0.000
F4 2.307 0.068 0.000
H5 0.094 1.235 0.896
H6 0.094 1.235 -0.896
H7 0.929 -1.146 0.900
H8 0.929 -1.146 -0.900

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.52621.83732.37051.09471.09472.18332.1833
C21.52622.75791.41482.17872.17871.09911.0991
Cl31.83732.75794.01122.39922.39922.97762.9776
F42.37051.41484.01122.65742.65742.04492.0449
H51.09472.17872.39922.65741.79192.52303.0969
H61.09472.17872.39922.65741.79193.09692.5230
H72.18331.09912.97762.04492.52303.09691.7998
H82.18331.09912.97762.04493.09692.52301.7998

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 107.358 C1 C2 H7 111.500
C1 C2 H8 111.500 C2 C1 Cl3 109.812
C2 C1 H5 111.398 C2 C1 H6 111.398
Cl3 C1 H5 107.092 Cl3 C1 H6 107.092
F4 C2 H7 108.210 F4 C2 H8 108.210
H5 C1 H6 109.864 H7 C2 H8 109.918
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 -0.497      
2 C -0.074      
3 Cl -0.095      
4 F -0.254      
5 H 0.256      
6 H 0.256      
7 H 0.203      
8 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.335 0.039 0.000 0.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.360 -0.773 0.000
y -0.773 -29.626 0.000
z 0.000 0.000 -30.155
Traceless
 xyz
x -8.470 -0.773 0.000
y -0.773 4.632 0.000
z 0.000 0.000 3.838
Polar
3z2-r27.675
x2-y2-8.734
xy-0.773
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.832 0.443 0.000
y 0.443 4.554 0.000
z 0.000 0.000 3.982


<r2> (average value of r2) Å2
<r2> 138.486
(<r2>)1/2 11.768

Conformer 2 (C1)

Jump to S1C1
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-638.656345
Energy at 298.15K-638.661211
HF Energy-638.656345
Nuclear repulsion energy158.155568
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 3070 3062 11.63      
2 A 3014 3006 36.71      
3 A 3005 2997 10.22      
4 A 2943 2936 34.89      
5 A 1468 1464 2.62      
6 A 1437 1434 8.74      
7 A 1391 1388 12.44      
8 A 1306 1303 36.52      
9 A 1240 1237 0.83      
10 A 1189 1186 0.66      
11 A 1053 1051 17.57      
12 A 1016 1014 71.81      
13 A 936 933 7.72      
14 A 825 823 12.58      
15 A 618 617 34.96      
16 A 448 447 13.63      
17 A 277 277 1.25      
18 A 128 128 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 12682.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 12650.9 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
0.44630 0.10380 0.09126

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.072 0.848 -0.302
C2 1.219 0.417 0.370
Cl3 -1.472 -0.285 0.065
F4 1.713 -0.766 -0.204
H5 -0.375 1.842 0.051
H6 0.038 0.861 -1.391
H7 1.976 1.207 0.218
H8 1.079 0.245 1.447

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.51811.83812.40881.09701.09542.14342.1793
C21.51812.79801.40532.16172.16671.10431.0999
Cl31.83812.79803.23192.39302.39023.76022.9496
F42.40881.40533.23193.35072.61942.03502.0374
H51.09702.16172.39303.35071.79312.44142.5720
H61.09542.16672.39022.61941.79312.54293.0858
H72.14341.10433.76022.03502.44142.54291.8005
H82.17931.09992.94962.03742.57203.08581.8005

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 110.913 C1 C2 H7 108.615
C1 C2 H8 111.701 C2 C1 Cl3 112.612
C2 C1 H5 110.469 C2 C1 H6 110.971
Cl3 C1 H5 106.492 Cl3 C1 H6 106.370
F4 C2 H7 107.768 F4 C2 H8 108.215
H5 C1 H6 109.744 H7 C2 H8 109.546
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 -0.490      
2 C -0.073      
3 Cl -0.090      
4 F -0.244      
5 H 0.242      
6 H 0.256      
7 H 0.191      
8 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.031 2.685 0.298 2.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.144 2.359 0.961
y 2.359 -30.035 -0.454
z 0.961 -0.454 -30.066
Traceless
 xyz
x -4.094 2.359 0.961
y 2.359 2.070 -0.454
z 0.961 -0.454 2.024
Polar
3z2-r24.047
x2-y2-4.109
xy2.359
xz0.961
yz-0.454


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.278 1.069 -0.072
y 1.069 4.964 -0.207
z -0.072 -0.207 4.208


<r2> (average value of r2) Å2
<r2> 120.589
(<r2>)1/2 10.981