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

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1151.169563
Energy at 298.15K-1151.173794
HF Energy-1150.673666
Nuclear repulsion energy450.042027
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=FULL/aug-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 Ag 3232 3101 0.00      
2 Ag 1620 1554 0.00      
3 Ag 1197 1148 0.00      
4 Ag 1115 1069 0.00      
5 Ag 759 728 0.00      
6 Ag 331 318 0.00      
7 Au 987 947 0.00      
8 Au 411 394 0.00      
9 B1g 844 810 0.00      
10 B1u 3214 3083 0.87      
11 B1u 1510 1449 99.51      
12 B1u 1112 1067 101.96      
13 B1u 1034 992 46.60      
14 B1u 551 529 31.95      
15 B2g 966 927 0.00      
16 B2g 701 673 0.00      
17 B2g 300 288 0.00      
18 B2u 3229 3098 0.69      
19 B2u 1424 1366 6.52      
20 B2u 1337 1282 0.03      
21 B2u 1123 1078 5.76      
22 B2u 221 212 0.81      
23 B3g 3213 3083 0.00      
24 B3g 1616 1551 0.00      
25 B3g 1321 1268 0.00      
26 B3g 640 614 0.00      
27 B3g 355 341 0.00      
28 B3u 852 817 48.67      
29 B3u 500 480 18.53      
30 B3u 103 99 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 17908.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17181.2 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
0.19069 0.02232 0.01998

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.377
C2 0.000 0.000 -1.377
C3 0.000 1.208 0.694
C4 0.000 -1.208 0.694
C5 0.000 -1.208 -0.694
C6 0.000 1.208 -0.694
Cl7 0.000 0.000 3.119
Cl8 0.000 0.000 -3.119
H9 0.000 2.137 1.240
H10 0.000 -2.137 1.240
H11 0.000 -2.137 -1.240
H12 0.000 2.137 -1.240

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.75491.38741.38742.39792.39791.74184.49672.14172.14173.37953.3795
C22.75492.39792.39791.38741.38744.49671.74183.37953.37952.14172.1417
C31.38742.39792.41502.78571.38852.70904.00011.07833.38913.86402.1464
C41.38742.39792.41501.38852.78572.70904.00013.38911.07832.14643.8640
C52.39791.38742.78571.38852.41504.00012.70903.86402.14641.07833.3891
C62.39791.38741.38852.78572.41504.00012.70902.14643.86403.38911.0783
Cl71.74184.49672.70902.70904.00014.00016.23862.84582.84584.85534.8553
Cl84.49671.74184.00014.00012.70902.70906.23864.85534.85532.84582.8458
H92.14173.37951.07833.38913.86402.14642.84584.85534.27464.94232.4806
H102.14173.37953.38911.07832.14643.86402.84584.85534.27462.48064.9423
H113.37952.14173.86402.14641.07833.38914.85532.84584.94232.48064.2746
H123.37952.14172.14643.86403.38911.07834.85532.84582.48064.94234.2746

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 119.500 C1 C3 H9 120.075
C1 C4 C5 119.500 C1 C4 H10 120.075
C2 C5 C4 119.500 C2 C5 H11 120.075
C2 C6 C3 119.500 C2 C6 H12 120.075
C3 C1 C4 121.000 C3 C1 Cl7 119.500
C3 C6 H12 120.425 C4 C1 Cl7 119.500
C4 C5 H11 120.425 C5 C2 C6 121.000
C5 C2 Cl8 119.500 C5 C4 H10 120.425
C6 C2 Cl8 119.500 C6 C3 H9 120.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability