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All results from a given calculation for CH2ClCCl3 (1,1,1,2-tetrachloroethane)

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-1906.032095
Energy at 298.15K 
HF Energy-1905.618078
Nuclear repulsion energy511.821576
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 CCD/3-21G
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' 3140 3053 1.46      
2 A' 1530 1488 9.86      
3 A' 1337 1300 5.47      
4 A' 1087 1057 8.68      
5 A' 780 759 43.81      
6 A' 691 672 66.77      
7 A' 503 489 18.37      
8 A' 344 335 0.97      
9 A' 283 276 1.63      
10 A' 222 216 0.24      
11 A' 146 141 0.83      
12 A" 3212 3123 1.33      
13 A" 1276 1241 13.67      
14 A" 964 937 40.21      
15 A" 691 672 67.79      
16 A" 324 315 0.61      
17 A" 227 221 1.53      
18 A" 104 101 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 8431.7 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 8198.2 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 CCD/3-21G
ABC
0.05706 0.03388 0.03171

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.239 0.302 0.000
C2 -1.275 0.394 0.000
Cl3 -2.094 -1.310 0.000
Cl4 0.883 2.076 0.000
Cl5 0.883 -0.559 1.527
Cl6 0.883 -0.559 -1.527
H7 -1.620 0.900 0.903
H8 -1.620 0.900 -0.903

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.51692.83611.88671.86731.86732.15172.1517
C21.51691.89102.73562.81002.81001.09091.0909
Cl32.83611.89104.50853.42933.42932.43382.4338
Cl41.88672.73564.50853.04483.04482.90922.9092
Cl51.86732.81003.42933.04483.05382.96373.7812
Cl61.86732.81003.42933.04483.05383.78122.9637
H72.15171.09092.43382.90922.96373.78121.8056
H82.15171.09092.43382.90923.78122.96371.8056

picture of 1,1,1,2-tetrachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 112.194 C1 C2 H7 110.129
C1 C2 H8 110.129 C2 C1 Cl4 106.471
C2 C1 Cl5 111.849 C2 C1 Cl6 111.849
Cl3 C2 H7 106.297 Cl3 C2 H8 106.297
Cl4 C1 Cl5 108.398 Cl4 C1 Cl6 108.398
Cl5 C1 Cl6 109.710 H7 C2 H8 111.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability