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: HSEh1PBE/cc-pVDZ

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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-638.356544
Energy at 298.15K-638.361421
HF Energy-638.356544
Nuclear repulsion energy157.079316
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 HSEh1PBE/cc-pVDZ
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' 3111 2993 14.64      
2 A' 3071 2954 20.73      
3 A' 1490 1433 1.13      
4 A' 1471 1415 5.24      
5 A' 1405 1351 5.09      
6 A' 1258 1210 8.71      
7 A' 1100 1058 45.09      
8 A' 1085 1043 77.13      
9 A' 792 762 43.99      
10 A' 386 371 2.15      
11 A' 239 230 11.00      
12 A" 3185 3064 7.96      
13 A" 3131 3012 18.78      
14 A" 1286 1237 0.01      
15 A" 1203 1157 1.33      
16 A" 1045 1005 2.31      
17 A" 793 763 1.12      
18 A" 129 124 9.03      

Unscaled Zero Point Vibrational Energy (zpe) 13088.8 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 12590.1 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 HSEh1PBE/cc-pVDZ
ABC
1.00490 0.07981 0.07610

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.611 0.000
C2 0.992 -0.530 0.000
Cl3 -1.665 -0.042 0.000
F4 2.266 0.008 0.000
H5 0.116 1.235 0.895
H6 0.116 1.235 -0.895
H7 0.867 -1.157 0.897
H8 0.867 -1.157 -0.897

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.51181.78872.34411.09791.09792.16352.1635
C21.51182.70231.38222.16442.16441.10171.1017
Cl31.78872.70233.93132.36822.36822.90902.9090
F42.34411.38223.93132.63162.63162.02932.0293
H51.09792.16442.36822.63161.79082.50713.0820
H61.09792.16442.36822.63161.79083.08202.5071
H72.16351.10172.90902.02932.50713.08201.7944
H82.16351.10172.90902.02933.08202.50711.7944

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 108.112 C1 C2 H7 110.777
C1 C2 H8 110.777 C2 C1 Cl3 109.634
C2 C1 H5 111.072 C2 C1 H6 111.072
Cl3 C1 H5 107.837 Cl3 C1 H6 107.837
F4 C2 H7 109.045 F4 C2 H8 109.045
H5 C1 H6 109.278 H7 C2 H8 109.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C 0.213      
3 Cl -0.131      
4 F -0.245      
5 H 0.101      
6 H 0.101      
7 H 0.052      
8 H 0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.190 0.068 0.000 0.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.844 -0.481 0.000
y -0.481 -28.708 0.000
z 0.000 0.000 -29.299
Traceless
 xyz
x -7.841 -0.481 0.000
y -0.481 4.364 0.000
z 0.000 0.000 3.477
Polar
3z2-r26.954
x2-y2-8.136
xy-0.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.012 0.351 0.000
y 0.351 4.330 0.000
z 0.000 0.000 3.873


<r2> (average value of r2) Å2
<r2> 133.426
(<r2>)1/2 11.551

Conformer 2 (C1)

Jump to S1C1
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-638.355919
Energy at 298.15K-638.360903
HF Energy-638.355919
Nuclear repulsion energy160.999741
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 HSEh1PBE/cc-pVDZ
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 3176 3055 4.78      
2 A 3117 2998 28.86      
3 A 3103 2985 7.15      
4 A 3048 2932 28.76      
5 A 1470 1414 3.56      
6 A 1438 1383 14.12      
7 A 1414 1361 12.23      
8 A 1316 1266 28.61      
9 A 1264 1216 0.91      
10 A 1212 1165 6.45      
11 A 1135 1091 68.04      
12 A 1058 1018 19.28      
13 A 977 940 7.75      
14 A 857 824 7.68      
15 A 696 669 30.43      
16 A 465 447 12.00      
17 A 287 276 0.99      
18 A 129 124 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 13080.2 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 12581.8 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 HSEh1PBE/cc-pVDZ
ABC
0.45498 0.10904 0.09541

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.085 0.840 -0.292
C2 1.203 0.410 0.357
Cl3 -1.433 -0.284 0.064
F4 1.665 -0.760 -0.201
H5 -0.380 1.833 0.075
H6 0.026 0.875 -1.385
H7 1.959 1.199 0.196
H8 1.067 0.258 1.440

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.50461.79152.37291.09901.09852.13202.1601
C21.50462.74111.37602.14732.15271.10521.1022
Cl31.79152.74113.14552.36452.36003.70482.9042
F42.37291.37603.14553.31412.60012.02082.0214
H51.09902.14732.36453.31411.79262.42692.5377
H61.09852.15272.36002.60011.79262.51893.0730
H72.13201.10523.70482.02082.42692.51891.7970
H82.16011.10222.90422.02142.53773.07301.7970

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 110.844 C1 C2 H7 108.591
C1 C2 H8 110.974 C2 C1 Cl3 112.240
C2 C1 H5 110.152 C2 C1 H6 110.615
Cl3 C1 H5 107.343 Cl3 C1 H6 107.044
F4 C2 H7 108.573 F4 C2 H8 108.809
H5 C1 H6 109.323 H7 C2 H8 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C 0.214      
3 Cl -0.125      
4 F -0.237      
5 H 0.090      
6 H 0.102      
7 H 0.044      
8 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.877 2.525 0.269 2.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.821 2.209 0.895
y 2.209 -29.158 -0.418
z 0.895 -0.418 -29.187
Traceless
 xyz
x -3.648 2.209 0.895
y 2.209 1.846 -0.418
z 0.895 -0.418 1.802
Polar
3z2-r23.605
x2-y2-3.662
xy2.209
xz0.895
yz-0.418


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.643 0.882 -0.061
y 0.882 4.664 -0.181
z -0.061 -0.181 4.044


<r2> (average value of r2) Å2
<r2> 115.871
(<r2>)1/2 10.764