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 CH3CHCl2 (Ethane, 1,1-dichloro-)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-998.961053
Energy at 298.15K-998.965632
Nuclear repulsion energy201.937369
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 B3LYP/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' 3211 3089 3.91      
2 A' 3165 3044 3.33      
3 A' 3066 2950 4.53      
4 A' 1522 1464 10.24      
5 A' 1468 1412 13.79      
6 A' 1325 1274 19.73      
7 A' 1124 1082 6.32      
8 A' 1015 976 20.55      
9 A' 600 577 18.20      
10 A' 390 375 7.80      
11 A' 255 245 1.52      
12 A" 3145 3026 6.13      
13 A" 1529 1471 4.87      
14 A" 1257 1209 52.65      
15 A" 1104 1062 42.65      
16 A" 617 594 139.20      
17 A" 314 302 1.55      
18 A" 259 249 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 12682.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 12200.6 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 B3LYP/6-31G
ABC
0.20511 0.09738 0.06986

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.584 0.000
C2 -1.444 1.021 0.000
H3 0.722 1.395 0.000
Cl4 0.393 -0.424 1.534
Cl5 0.393 -0.424 -1.534
H6 -2.115 0.158 0.000
H7 -1.646 1.625 0.890
H8 -1.646 1.625 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.50851.08581.87731.87732.15732.14132.1413
C21.50852.19832.79542.79541.09251.09471.0947
H31.08582.19832.40252.40253.09482.54062.5406
Cl41.87732.79542.40253.06752.99652.96143.7726
Cl51.87732.79542.40253.06752.99653.77262.9614
H62.15731.09253.09482.99652.99651.77831.7783
H72.14131.09472.54062.96143.77261.77831.7808
H82.14131.09472.54063.77262.96141.77831.7808

picture of Ethane, 1,1-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.066 C1 C2 H7 109.656
C1 C2 H8 109.656 C2 C1 H3 114.875
C2 C1 Cl4 110.832 C2 C1 Cl5 110.832
H3 C1 Cl4 105.202 H3 C1 Cl5 105.202
Cl4 C1 Cl5 109.571 H6 C2 H7 108.789
H6 C2 H8 108.789 H7 C2 H8 108.845
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.439      
2 C -0.379      
3 H 0.247      
4 Cl 0.013      
5 Cl 0.013      
6 H 0.191      
7 H 0.178      
8 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.327 2.453 0.000 2.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.145 -0.224 0.000
y -0.224 -36.694 0.000
z 0.000 0.000 -42.128
Traceless
 xyz
x 2.266 -0.224 0.000
y -0.224 2.942 0.000
z 0.000 0.000 -5.208
Polar
3z2-r2-10.416
x2-y2-0.451
xy-0.224
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.638 -0.922 0.000
y -0.922 5.134 0.000
z 0.000 0.000 7.980


<r2> (average value of r2) Å2
<r2> 155.552
(<r2>)1/2 12.472