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All results from a given calculation for CHClCHCl (Ethene, 1,2-dichloro-, (Z)-)

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-991.306471
Energy at 298.15K-991.308470
HF Energy-991.017744
Nuclear repulsion energy178.626623
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=FULL/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 A1 3303 3154 0.07      
2 A1 1658 1583 15.94      
3 A1 1237 1181 0.12      
4 A1 623 595 19.10      
5 A1 166 158 0.30      
6 A2 963 920 0.00      
7 A2 403 385 0.00      
8 B1 753 719 81.37      
9 B2 3276 3128 13.14      
10 B2 1345 1285 30.65      
11 B2 781 745 49.69      
12 B2 525 501 8.95      

Unscaled Zero Point Vibrational Energy (zpe) 7516.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7176.5 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 MP2=FULL/3-21G
ABC
0.34158 0.07965 0.06459

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 1.037
C2 0.000 -0.663 1.037
H3 0.000 1.251 1.943
H4 0.000 -1.251 1.943
Cl5 0.000 1.682 -0.480
Cl6 0.000 -1.682 -0.480

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6
C11.32591.08022.11781.82852.7937
C21.32592.11781.08022.79371.8285
H31.08022.11782.50252.46193.8054
H42.11781.08022.50253.80542.4619
Cl51.82852.79372.46193.80543.3647
Cl62.79371.82853.80542.46193.3647

picture of Ethene, 1,2-dichloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 123.000 C1 C2 Cl6 123.883
C2 C1 H3 123.000 C2 C1 Cl5 123.883
H3 C1 Cl5 113.117 H4 C2 Cl6 113.117
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability