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: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-999.157572
Energy at 298.15K-999.162261
HF Energy-999.157572
Nuclear repulsion energy209.790266
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 B1B95/aug-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' 3177 3045 5.28      
2 A' 3158 3027 0.57      
3 A' 3074 2947 5.95      
4 A' 1478 1416 9.07      
5 A' 1408 1349 10.62      
6 A' 1308 1253 10.45      
7 A' 1111 1065 4.58      
8 A' 996 954 13.20      
9 A' 659 631 11.40      
10 A' 400 384 3.92      
11 A' 271 260 1.08      
12 A" 3155 3024 6.84      
13 A" 1483 1421 1.49      
14 A" 1251 1199 34.23      
15 A" 1071 1026 40.93      
16 A" 706 677 109.07      
17 A" 311 298 0.89      
18 A" 259 248 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 12637.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 12112.8 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 B1B95/aug-cc-pVTZ
ABC
0.21686 0.10711 0.07600

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.211 0.500 0.000
C2 -0.969 1.430 0.000
H3 1.156 1.025 0.000
Cl4 0.211 -0.517 1.459
Cl5 0.211 -0.517 -1.459
H6 -1.895 0.863 0.000
H7 -0.936 2.058 0.887
H8 -0.936 2.058 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.50261.08191.77871.77872.13722.12802.1280
C21.50262.16392.70442.70441.08571.08701.0870
H31.08192.16392.32442.32443.05612.49612.4961
Cl41.77872.70442.32442.91872.91062.87643.6674
Cl51.77872.70442.32442.91872.91063.66742.8764
H62.13721.08573.05612.91062.91061.77031.7703
H72.12801.08702.49612.87643.66741.77031.7734
H82.12801.08702.49613.66742.87641.77031.7734

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 110.287 C1 C2 H7 109.479
C1 C2 H8 109.479 C2 C1 H3 112.696
C2 C1 Cl4 110.731 C2 C1 Cl5 110.731
H3 C1 Cl4 106.117 H3 C1 Cl5 106.117
Cl4 C1 Cl5 110.261 H6 C2 H7 109.131
H6 C2 H8 109.131 H7 C2 H8 109.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 C -1.014      
3 H 0.274      
4 Cl -0.249      
5 Cl -0.249      
6 H 0.385      
7 H 0.351      
8 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.297 2.083 0.000 2.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.391 0.054 0.000
y 0.054 -36.470 0.000
z 0.000 0.000 -40.491
Traceless
 xyz
x 1.090 0.054 0.000
y 0.054 2.471 0.000
z 0.000 0.000 -3.560
Polar
3z2-r2-7.121
x2-y2-0.921
xy0.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.032 -0.585 0.000
y -0.585 7.990 0.000
z 0.000 0.000 9.514


<r2> (average value of r2) Å2
<r2> 145.159
(<r2>)1/2 12.048