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All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: B2PLYP=FULLultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B2PLYP=FULLultrafine/TZVP
 hartrees
Energy at 0K-1151.048768
Energy at 298.15K 
HF Energy-1150.638794
Nuclear repulsion energy448.478617
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 B2PLYP=FULLultrafine/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3240 3240 0.00      
2 Ag 1624 1624 0.00      
3 Ag 1208 1208 0.00      
4 Ag 1112 1112 0.00      
5 Ag 762 762 0.00      
6 Ag 331 331 0.00      
7 Au 859 859 0.00      
8 Au 376 376 0.00      
9 B1g 801 801 0.00      
10 B1u 3225 3225 0.80      
11 B1u 1519 1519 104.97      
12 B1u 1113 1113 101.57      
13 B1u 1029 1029 56.94      
14 B1u 547 547 32.86      
15 B2g 832 832 0.00      
16 B2g 291 291 0.00      
17 B2g 733i 733i 0.00      
18 B2u 3238 3238 1.03      
19 B2u 1429 1429 5.55      
20 B2u 1331 1331 0.08      
21 B2u 1133 1133 5.96      
22 B2u 220 220 0.93      
23 B3g 3226 3226 0.00      
24 B3g 1619 1619 0.00      
25 B3g 1330 1330 0.00      
26 B3g 643 643 0.00      
27 B3g 356 356 0.00      
28 B3u 770 770 59.60      
29 B3u 439 439 13.75      
30 B3u 98 98 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 16983.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16983.5 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 B2PLYP=FULLultrafine/TZVP
ABC
0.19023 0.02212 0.01982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.379
C2 0.000 0.000 -1.379
C3 0.000 1.209 0.695
C4 0.000 -1.209 0.695
C5 0.000 -1.209 -0.695
C6 0.000 1.209 -0.695
Cl7 0.000 0.000 3.134
Cl8 0.000 0.000 -3.134
H9 0.000 2.141 1.240
H10 0.000 -2.141 1.240
H11 0.000 -2.141 -1.240
H12 0.000 2.141 -1.240

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75791.38871.38872.40072.40071.75524.51312.14592.14593.38313.3831
C22.75792.40072.40071.38871.38874.51311.75523.38313.38312.14592.1459
C31.38872.40072.41752.78891.39042.72204.01561.08023.39423.86902.1484
C41.38872.40072.41751.39042.78892.72204.01563.39421.08022.14843.8690
C52.40071.38872.78891.39042.41754.01562.72203.86902.14841.08023.3942
C62.40071.38871.39042.78892.41754.01562.72202.14843.86903.39421.0802
Cl71.75524.51312.72202.72204.01564.01566.26832.85882.85884.87044.8704
Cl84.51311.75524.01564.01562.72202.72206.26834.87044.87042.85882.8588
H92.14593.38311.08023.39423.86902.14842.85884.87044.28284.94922.4804
H102.14593.38313.39421.08022.14843.86902.85884.87044.28282.48044.9492
H113.38312.14593.86902.14841.08023.39424.87042.85884.94922.48044.2828
H123.38312.14592.14843.86903.39421.08024.87042.85882.48044.94924.2828

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.495 C1 C3 H9 120.204
C1 C4 C5 119.495 C1 C4 H10 120.204
C2 C5 C4 119.495 C2 C5 H11 120.204
C2 C6 C3 119.495 C2 C6 H12 120.204
C3 C1 C4 121.010 C3 C1 Cl7 119.495
C3 C6 H12 120.300 C4 C1 Cl7 119.495
C4 C5 H11 120.300 C5 C2 C6 121.010
C5 C2 Cl8 119.495 C5 C4 H10 120.300
C6 C2 Cl8 119.495 C6 C3 H9 120.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability