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

using model chemistry: MP3=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP3=FULL/6-311G*
 hartrees
Energy at 0K-1149.910443
Energy at 298.15K-1149.914495
HF Energy-1148.588112
Nuclear repulsion energy448.999219
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 MP3=FULL/6-311G*
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 3261 3261 0.00      
2 Ag 1679 1679 0.00      
3 Ag 1222 1222 0.00      
4 Ag 1152 1152 0.00      
5 Ag 777 777 0.00      
6 Ag 339 339 0.00      
7 Au 913 913 0.00      
8 Au 414 414 0.00      
9 B1g 823 823 0.00      
10 B1u 3245 3245 1.63      
11 B1u 1551 1551 113.39      
12 B1u 1148 1148 91.83      
13 B1u 1037 1037 55.09      
14 B1u 571 571 23.98      
15 B2g 873 873 0.00      
16 B2g 504 504 0.00      
17 B2g 297 297 0.00      
18 B2u 3259 3259 2.94      
19 B2u 1457 1457 7.84      
20 B2u 1259 1259 0.11      
21 B2u 1143 1143 3.63      
22 B2u 223 223 0.52      
23 B3g 3246 3246 0.00      
24 B3g 1658 1658 0.00      
25 B3g 1339 1339 0.00      
26 B3g 648 648 0.00      
27 B3g 360 360 0.00      
28 B3u 800 800 67.71      
29 B3u 477 477 23.14      
30 B3u 103 103 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 17887.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17887.6 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 MP3=FULL/6-311G*
ABC
0.18931 0.02224 0.01990

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.386
C2 0.000 0.000 -1.386
C3 0.000 1.212 0.697
C4 0.000 -1.212 0.697
C5 0.000 -1.212 -0.697
C6 0.000 1.212 -0.697
Cl7 0.000 0.000 3.124
Cl8 0.000 0.000 -3.124
H9 0.000 2.147 1.245
H10 0.000 -2.147 1.245
H11 0.000 -2.147 -1.245
H12 0.000 2.147 -1.245

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.77121.39351.39352.40962.40961.73814.50932.15122.15123.39563.3956
C22.77122.40962.40961.39351.39354.50931.73813.39563.39562.15122.1512
C31.39352.40962.42342.79601.39452.71224.00851.08383.40273.87972.1560
C41.39352.40962.42341.39452.79602.71224.00853.40271.08382.15603.8797
C52.40961.39352.79601.39452.42344.00852.71223.87972.15601.08383.4027
C62.40961.39351.39452.79602.42344.00852.71222.15603.87973.40271.0838
Cl71.73814.50932.71222.71224.00854.00856.24742.85232.85234.86804.8680
Cl84.50931.73814.00854.00852.71222.71226.24744.86804.86802.85232.8523
H92.15123.39561.08383.40273.87972.15602.85234.86804.29324.96352.4909
H102.15123.39563.40271.08382.15603.87972.85234.86804.29322.49094.9635
H113.39562.15123.87972.15601.08383.40274.86802.85234.96352.49094.2932
H123.39562.15122.15603.87973.40271.08384.86802.85232.49094.96354.2932

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 119.600 C1 C3 H9 120.015
C1 C4 C5 119.600 C1 C4 H10 120.015
C2 C5 C4 119.600 C2 C5 H11 120.015
C2 C6 C3 119.600 C2 C6 H12 120.015
C3 C1 C4 120.800 C3 C1 Cl7 119.600
C3 C6 H12 120.385 C4 C1 Cl7 119.600
C4 C5 H11 120.385 C5 C2 C6 120.800
C5 C2 Cl8 119.600 C5 C4 H10 120.385
C6 C2 Cl8 119.600 C6 C3 H9 120.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability