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 C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-1150.089597
Energy at 298.15K-1150.081855
HF Energy-1148.501529
Nuclear repulsion energy454.563369
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 HF/6-31G*
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 3419 3222 0.18      
2 A1 3411 3214 5.50      
3 A1 3380 3185 7.15      
4 A1 1777 1674 26.86      
5 A1 1573 1482 16.94      
6 A1 1241 1169 23.83      
7 A1 1187 1118 14.06      
8 A1 1089 1026 4.09      
9 A1 728 686 2.46      
10 A1 432 407 3.54      
11 A1 213 201 0.58      
12 A2 1031 972 0.00      
13 A2 600 565 0.00      
14 A2 227 214 0.00      
15 B1 1114 1050 0.39      
16 B1 1010 952 15.88      
17 B1 888 836 45.54      
18 B1 751 708 17.39      
19 B1 488 459 3.71      
20 B1 186 176 0.00      
21 B2 3406 3209 2.45      
22 B2 1784 1681 75.69      
23 B2 1640 1545 68.15      
24 B2 1440 1357 2.34      
25 B2 1313 1237 0.03      
26 B2 1218 1148 11.36      
27 B2 1194 1125 17.58      
28 B2 856 807 88.43      
29 B2 466 439 4.02      
30 B2 399 376 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 19230.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 18118.5 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/6-31G*
ABC
0.09431 0.02869 0.02200

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.075
C2 0.000 1.213 1.388
C3 0.000 -1.213 1.388
C4 0.000 1.196 -0.005
C5 0.000 -1.196 -0.005
C6 0.000 0.000 -0.719
Cl7 0.000 2.697 -0.880
Cl8 0.000 -2.697 -0.880
H9 0.000 0.000 3.161
H10 0.000 2.159 1.920
H11 0.000 -2.159 1.920
H12 0.000 0.000 -1.804

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39371.39372.39932.39932.79344.00044.00041.08662.16432.16433.8785
C21.39372.42561.39332.78282.43092.71054.51982.14831.08543.41343.4145
C31.39372.42562.78281.39332.43094.51982.71052.14833.41341.08543.4145
C42.39931.39332.78282.39231.39281.73703.98983.38482.15273.86822.1601
C52.39932.78281.39332.39231.39283.98981.73703.38483.86822.15272.1601
C62.79342.43092.43091.39281.39282.70142.70143.88003.40953.40951.0851
Cl74.00042.71054.51981.73703.98982.70145.39304.85862.85185.60512.8503
Cl84.00044.51982.71053.98981.73702.70145.39304.85865.60512.85182.8503
H91.08662.14832.14833.38483.38483.88004.85864.85862.49012.49014.9651
H102.16431.08543.41342.15273.86823.40952.85185.60512.49014.31764.3046
H112.16433.41341.08543.86822.15273.40955.60512.85182.49014.31764.3046
H123.87853.41453.41452.16012.16011.08512.85032.85034.96514.30464.3046

picture of 1,3-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 118.902 C1 C2 H10 120.939
C1 C3 C5 118.902 C1 C3 H11 120.939
C2 C1 C3 120.831 C2 C1 H9 119.584
C2 C4 C6 121.504 C2 C4 Cl7 119.522
C3 C1 H9 119.584 C3 C5 C6 121.504
C3 C5 Cl8 119.522 C4 C2 H10 120.160
C4 C6 C5 118.358 C4 C6 H12 120.821
C5 C3 H11 120.160 C5 C6 H12 120.821
C6 C4 Cl7 118.974 C6 C5 Cl8 118.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability