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All results from a given calculation for C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1149.673801
Energy at 298.15K-1149.677865
HF Energy-1148.568595
Nuclear repulsion energy449.243300
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/aug-cc-pVDZ
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 3244 3111 1.51      
2 A1 3242 3109 1.02      
3 A1 3217 3085 3.36      
4 A1 1604 1538 20.46      
5 A1 1416 1358 14.26      
6 A1 1143 1096 20.88      
7 A1 1088 1043 12.77      
8 A1 998 957 4.50      
9 A1 663 636 1.50      
10 A1 401 384 2.23      
11 A1 196 188 0.33      
12 A2 870 834 0.00      
13 A2 525 503 0.00      
14 A2 199 191 0.00      
15 B1 937 898 0.21      
16 B1 824 791 4.29      
17 B1 756 725 62.07      
18 B1 583 559 0.81      
19 B1 428 411 4.88      
20 B1 166 159 0.17      
21 B2 3239 3106 0.14      
22 B2 1604 1538 70.35      
23 B2 1478 1418 9.64      
24 B2 1456 1396 56.72      
25 B2 1272 1220 4.29      
26 B2 1172 1124 0.20      
27 B2 1098 1053 19.53      
28 B2 793 761 71.05      
29 B2 427 410 2.78      
30 B2 364 349 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 17701.0 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 16975.2 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 MP2/aug-cc-pVDZ
ABC
0.09282 0.02827 0.02167

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.091
C2 0.000 1.224 1.400
C3 0.000 -1.224 1.400
C4 0.000 1.204 -0.005
C5 0.000 -1.204 -0.005
C6 0.000 0.000 -0.730
Cl7 0.000 2.716 -0.886
Cl8 0.000 -2.716 -0.886
H9 0.000 0.000 3.185
H10 0.000 2.177 1.933
H11 0.000 -2.177 1.933
H12 0.000 0.000 -1.822

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C11.40641.40642.41782.41782.82124.03064.03061.09382.18312.18313.9130
C21.40642.44901.40522.80552.45642.72984.55592.16511.09223.44353.4462
C31.40642.44902.80551.40522.45644.55592.72982.16513.44351.09223.4462
C42.41781.40522.80552.40761.40491.75054.01803.41012.16943.89752.1790
C52.41782.80551.40522.40761.40494.01801.75053.41013.89752.16942.1790
C62.82122.45642.45641.40491.40492.72102.72103.91503.43993.43991.0919
Cl74.03062.72984.55591.75054.01802.72105.43294.89452.87075.64802.8730
Cl84.03064.55592.72984.01801.75052.72105.43294.89455.64802.87072.8730
H91.09382.16512.16513.41013.41013.91504.89454.89452.51172.51175.0068
H102.18311.09223.44352.16943.89753.43992.87075.64802.51174.35484.3405
H112.18313.44351.09223.89752.16943.43995.64802.87072.51174.35484.3405
H123.91303.44623.44622.17902.17901.09192.87302.87305.00684.34054.3405

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 118.621 C1 C2 H10 121.288
C1 C3 C5 118.621 C1 C3 H11 121.288
C2 C1 C3 121.072 C2 C1 H9 119.464
C2 C4 C6 121.881 C2 C4 Cl7 119.373
C3 C1 H9 119.464 C3 C5 C6 121.881
C3 C5 Cl8 119.373 C4 C2 H10 120.092
C4 C6 C5 117.924 C4 C6 H12 121.038
C5 C3 H11 120.092 C5 C6 H12 121.038
C6 C4 Cl7 118.746 C6 C5 Cl8 118.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability