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

using model chemistry: B2PLYP=FULL/6-31G*

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/6-31G*
 hartrees
Energy at 0K-1150.875460
Energy at 298.15K-1150.879589
HF Energy-1150.520390
Nuclear repulsion energy448.163481
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/6-31G*
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 3257 3089 0.00      
2 Ag 1648 1563 0.00      
3 Ag 1219 1156 0.00      
4 Ag 1125 1067 0.00      
5 Ag 765 725 0.00      
6 Ag 333 315 0.00      
7 Au 945 896 0.00      
8 Au 419 398 0.00      
9 B1g 828 786 0.00      
10 B1u 3243 3075 1.57      
11 B1u 1534 1455 100.95      
12 B1u 1126 1068 100.47      
13 B1u 1032 979 59.58      
14 B1u 553 525 32.71      
15 B2g 925 877 0.00      
16 B2g 657 623 0.00      
17 B2g 298 283 0.00      
18 B2u 3256 3088 2.46      
19 B2u 1446 1371 6.16      
20 B2u 1356 1286 0.00      
21 B2u 1143 1084 4.33      
22 B2u 223 211 1.15      
23 B3g 3244 3077 0.00      
24 B3g 1638 1554 0.00      
25 B3g 1336 1267 0.00      
26 B3g 643 610 0.00      
27 B3g 359 341 0.00      
28 B3u 821 779 55.71      
29 B3u 491 466 12.39      
30 B3u 103 98 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 17982.7 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 17054.8 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/6-31G*
ABC
0.18897 0.02214 0.01982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.384
C2 0.000 0.000 -1.384
C3 0.000 1.213 0.697
C4 0.000 -1.213 0.697
C5 0.000 -1.213 -0.697
C6 0.000 1.213 -0.697
Cl7 0.000 0.000 3.132
Cl8 0.000 0.000 -3.132
H9 0.000 2.148 1.244
H10 0.000 -2.148 1.244
H11 0.000 -2.148 -1.244
H12 0.000 2.148 -1.244

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.76711.39371.39372.40822.40821.74834.51552.15252.15253.39413.3941
C22.76712.40822.40821.39371.39374.51551.74833.39413.39412.15252.1525
C31.39372.40822.42572.79761.39382.72034.01631.08363.40513.88122.1547
C41.39372.40822.42571.39382.79762.72034.01633.40511.08362.15473.8812
C52.40821.39372.79761.39382.42574.01632.72033.88122.15471.08363.4051
C62.40821.39371.39382.79762.42574.01632.72032.15473.88123.40511.0836
Cl71.74834.51552.72032.72034.01634.01636.26382.85952.85954.87504.8750
Cl84.51551.74834.01634.01632.72032.72036.26384.87504.87502.85952.8595
H92.15253.39411.08363.40513.88122.15472.85954.87504.29604.96482.4887
H102.15253.39413.40511.08362.15473.88122.85954.87504.29602.48874.9648
H113.39412.15253.88122.15471.08363.40514.87502.85954.96482.48874.2960
H123.39412.15252.15473.88123.40511.08364.87502.85952.48874.96484.2960

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 119.517 C1 C3 H9 120.140
C1 C4 C5 119.517 C1 C4 H10 120.140
C2 C5 C4 119.517 C2 C5 H11 120.140
C2 C6 C3 119.517 C2 C6 H12 120.140
C3 C1 C4 120.967 C3 C1 Cl7 119.517
C3 C6 H12 120.344 C4 C1 Cl7 119.517
C4 C5 H11 120.344 C5 C2 C6 120.967
C5 C2 Cl8 119.517 C5 C4 H10 120.344
C6 C2 Cl8 119.517 C6 C3 H9 120.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability