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: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-999.038662
Energy at 298.15K-999.043180
Nuclear repulsion energy205.188771
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/cc-pVTZ
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' 3076 3067 6.50      
2 A' 3050 3041 2.59      
3 A' 2974 2965 7.36      
4 A' 1446 1441 7.58      
5 A' 1377 1373 7.26      
6 A' 1268 1264 13.51      
7 A' 1059 1056 4.20      
8 A' 950 947 19.18      
9 A' 604 602 13.21      
10 A' 386 385 5.16      
11 A' 255 254 0.72      
12 A" 3035 3026 10.07      
13 A" 1451 1447 1.26      
14 A" 1203 1199 33.41      
15 A" 1040 1037 33.73      
16 A" 602 600 130.56      
17 A" 305 304 2.04      
18 A" 249 248 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 12164.0 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 12127.5 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/cc-pVTZ
ABC
0.20896 0.10166 0.07237

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.556 0.000
C2 -1.454 0.991 0.000
H3 0.701 1.388 0.000
Cl4 0.396 -0.411 1.500
Cl5 0.396 -0.411 -1.500
H6 -2.120 0.122 0.000
H7 -1.656 1.595 0.893
H8 -1.656 1.595 -0.893

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.51821.08851.82821.82822.16352.14922.1492
C21.51822.19202.76412.76411.09401.09631.0963
H31.08852.19202.36242.36243.09192.52922.5292
Cl41.82822.76412.36243.00072.97722.93293.7362
Cl51.82822.76412.36243.00072.97723.73622.9329
H62.16351.09403.09192.97722.97721.78291.7829
H72.14921.09632.52922.93293.73621.78291.7853
H82.14921.09632.52923.73622.93291.78291.7853

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 110.785 C1 C2 H7 109.516
C1 C2 H8 109.516 C2 C1 H3 113.448
C2 C1 Cl4 111.042 C2 C1 Cl5 111.042
H3 C1 Cl4 105.360 H3 C1 Cl5 105.360
Cl4 C1 Cl5 110.308 H6 C2 H7 108.983
H6 C2 H8 108.983 H7 C2 H8 109.030
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 C -0.229      
3 H 0.145      
4 Cl -0.122      
5 Cl -0.122      
6 H 0.113      
7 H 0.106      
8 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.073 1.842 0.000 2.132
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.668 -0.300 0.000
y -0.300 -36.978 0.000
z 0.000 0.000 -40.909
Traceless
 xyz
x 1.276 -0.300 0.000
y -0.300 2.310 0.000
z 0.000 0.000 -3.586
Polar
3z2-r2-7.172
x2-y2-0.690
xy-0.300
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 151.194
(<r2>)1/2 12.296