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All results from a given calculation for CH3CHCl2 (Ethane, 1,1-dichloro-)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-42.873235
Energy at 298.15K-42.877870
HF Energy-42.604833
Nuclear repulsion energy63.116118
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 MP2/CEP-121G
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' 3136 3061 17.89      
2 A' 3110 3036 3.79      
3 A' 2991 2919 11.32      
4 A' 1500 1464 8.61      
5 A' 1466 1431 9.95      
6 A' 1314 1283 22.96      
7 A' 1115 1088 5.16      
8 A' 1000 976 10.64      
9 A' 605 590 12.61      
10 A' 380 371 6.17      
11 A' 257 251 1.58      
12 A" 3100 3026 12.96      
13 A" 1505 1469 4.08      
14 A" 1275 1245 48.47      
15 A" 1098 1071 28.47      
16 A" 661 645 93.95      
17 A" 311 303 0.43      
18 A" 271 265 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 12547.9 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 12246.7 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 MP2/CEP-121G
ABC
0.20175 0.09603 0.06887

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.583 0.000
C2 -1.483 0.999 0.000
H3 0.701 1.424 0.000
Cl4 0.404 -0.419 1.544
Cl5 0.404 -0.419 -1.544
H6 -2.133 0.112 0.000
H7 -1.695 1.599 0.898
H8 -1.695 1.599 -0.898

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.54021.09461.88441.88442.18432.17112.1711
C21.54022.22482.82012.82011.09931.10121.1012
H31.09462.22482.42252.42253.12262.56502.5650
Cl41.88442.82012.42253.08823.01662.98243.8005
Cl51.88442.82012.42253.08823.01663.80052.9824
H62.18431.09933.12263.01663.01661.79161.7916
H72.17111.10122.56502.98243.80051.79161.7967
H82.17111.10122.56503.80052.98241.79161.7967

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 110.584 C1 C2 H7 109.436
C1 C2 H8 109.436 C2 C1 H3 114.152
C2 C1 Cl4 110.468 C2 C1 Cl5 110.468
H3 C1 Cl4 105.745 H3 C1 Cl5 105.745
Cl4 C1 Cl5 110.051 H6 C2 H7 109.016
H6 C2 H8 109.016 H7 C2 H8 109.333
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability