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: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-638.300236
Energy at 298.15K-638.305180
HF Energy-638.300236
Nuclear repulsion energy166.091899
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 PBE1PBE/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 3199 3040 7.93      
2 A 3180 3022 9.25      
3 A 3145 2988 18.80      
4 A 3094 2940 4.84      
5 A 1513 1438 2.89      
6 A 1508 1433 4.55      
7 A 1446 1374 32.76      
8 A 1400 1331 11.98      
9 A 1338 1272 52.66      
10 A 1184 1125 131.35      
11 A 1153 1096 17.82      
12 A 1057 1004 24.98      
13 A 940 893 44.04      
14 A 696 661 70.20      
15 A 480 456 9.47      
16 A 381 363 2.09      
17 A 325 309 1.66      
18 A 267 254 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 13152.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 12498.7 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 PBE1PBE/6-31G*
ABC
0.30325 0.15417 0.11067

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.410 0.108 0.386
C2 1.255 -1.033 -0.111
H3 0.424 0.214 1.474
F4 0.838 1.275 -0.165
Cl5 -1.316 -0.130 -0.055
H6 1.181 -1.105 -1.199
H7 2.298 -0.846 0.164
H8 0.932 -1.978 0.333

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.50421.09281.36001.79672.13952.12752.1506
C21.50422.18052.34582.72521.09311.09501.0924
H31.09282.18051.99592.34173.07472.52012.5221
F41.36002.34581.99592.57362.61682.59613.2918
Cl51.79672.72522.34172.57362.91413.69082.9360
H62.13951.09313.07472.61682.91411.78101.7808
H72.12751.09502.52012.59613.69081.78101.7816
H82.15061.09242.52213.29182.93601.78081.7816

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 109.916 C1 C2 H7 108.859
C1 C2 H8 110.840 C2 C1 H3 113.249
C2 C1 F4 109.870 C2 C1 Cl5 110.986
H3 C1 F4 108.433 H3 C1 Cl5 105.676
F4 C1 Cl5 108.435 H6 C2 H7 108.976
H6 C2 H8 109.146 H7 C2 H8 109.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 C -0.548      
3 H 0.209      
4 F -0.269      
5 Cl -0.060      
6 H 0.214      
7 H 0.202      
8 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.602 -1.295 0.926 2.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.505 -1.452 0.573
y -1.452 -31.188 0.448
z 0.573 0.448 -29.062
Traceless
 xyz
x -0.380 -1.452 0.573
y -1.452 -1.405 0.448
z 0.573 0.448 1.785
Polar
3z2-r23.570
x2-y20.684
xy-1.452
xz0.573
yz0.448


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.070 0.020 0.287
y 0.020 4.108 0.058
z 0.287 0.058 3.980


<r2> (average value of r2) Å2
<r2> 105.115
(<r2>)1/2 10.253