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All results from a given calculation for C6H4Cl2 (1,2-dichlorobenzene)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1150.124467
Energy at 298.15K-1150.128818
HF Energy-1148.644576
Nuclear repulsion energy472.364253
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/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 A1 3265 3100 3.09      
2 A1 3245 3080 2.90      
3 A1 1626 1544 3.72      
4 A1 1505 1429 49.48      
5 A1 1468 1393 13.39      
6 A1 1200 1140 3.30      
7 A1 1177 1117 36.34      
8 A1 1067 1013 6.36      
9 A1 675 641 12.87      
10 A1 491 466 4.38      
11 A1 202 192 0.01      
12 A2 1002 951 0.00      
13 A2 896 850 0.00      
14 A2 734 696 0.00      
15 A2 535 508 0.00      
16 A2 140 133 0.00      
17 B1 980 931 2.00      
18 B1 787 748 62.79      
19 B1 458 435 4.96      
20 B1 241 229 1.12      
21 B2 3258 3093 0.88      
22 B2 3227 3064 0.77      
23 B2 1636 1553 6.58      
24 B2 1468 1394 17.55      
25 B2 1280 1215 3.31      
26 B2 1165 1106 1.94      
27 B2 1065 1012 32.34      
28 B2 763 724 14.02      
29 B2 436 414 0.28      
30 B2 340 323 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 18165.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 17246.4 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/cc-pVTZ
ABC
0.06478 0.04818 0.02763

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.696 -0.031
C2 0.000 -0.696 -0.031
C3 0.000 1.385 1.173
C4 0.000 -1.385 1.173
C5 0.000 0.694 2.373
C6 0.000 -0.694 2.373
Cl7 0.000 1.585 -1.503
Cl8 0.000 -1.585 -1.503
H9 0.000 2.460 1.154
H10 0.000 -2.460 1.154
H11 0.000 1.239 3.301
H12 0.000 -1.239 3.301

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.39191.38752.40412.40422.77701.71952.71472.12483.37083.37553.8527
C21.39192.40411.38752.77702.40422.71471.71953.37082.12483.85273.3755
C31.38752.40412.76931.38442.39982.68383.99781.07513.84432.13213.3775
C42.40411.38752.76932.39981.38443.99782.68383.84431.07513.37752.1321
C52.40422.77701.38442.39981.38763.97724.49632.14573.38081.07582.1437
C62.77702.40422.39981.38441.38764.49633.97723.38082.14572.14371.0758
Cl71.71952.71472.68383.99783.97724.49633.17042.79714.83944.81585.5721
Cl82.71471.71953.99782.68384.49633.97723.17044.83942.79715.57214.8158
H92.12483.37081.07513.84432.14573.38082.79714.83944.91922.46934.2763
H103.37082.12483.84431.07513.38082.14574.83942.79714.91924.27632.4693
H113.37553.85272.13213.37751.07582.14374.81585.57212.46934.27632.4779
H123.85273.37553.37752.13212.14371.07585.57214.81584.27632.46932.4779

picture of 1,2-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.759 C1 C2 Cl8 121.139
C1 C3 C5 120.306 C1 C3 H9 118.728
C2 C1 C3 119.759 C2 C1 Cl7 121.139
C2 C4 C6 120.306 C2 C4 H10 118.728
C3 C1 Cl7 119.102 C3 C5 C6 119.935
C3 C5 H11 119.616 C4 C2 Cl8 119.102
C4 C6 C5 119.935 C4 C6 H12 119.616
C5 C3 H9 120.966 C5 C6 H12 120.449
C6 C4 H10 120.966 C6 C5 H11 120.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability