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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-1151.540422
Energy at 298.15K-1151.544543
HF Energy-1151.540422
Nuclear repulsion energy450.943196
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 B1B95/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 3245 3105 0.00      
2 Ag 1647 1576 0.00      
3 Ag 1203 1151 0.00      
4 Ag 1130 1081 0.00      
5 Ag 763 731 0.00      
6 Ag 332 318 0.00      
7 Au 964 923 0.00      
8 Au 414 396 0.00      
9 B1g 832 797 0.00      
10 B1u 3230 3091 0.92      
11 B1u 1520 1455 117.67      
12 B1u 1117 1068 102.74      
13 B1u 1029 985 56.18      
14 B1u 556 532 35.47      
15 B2g 913 873 0.00      
16 B2g 588 563 0.00      
17 B2g 293 280 0.00      
18 B2u 3243 3104 0.58      
19 B2u 1438 1376 5.41      
20 B2u 1336 1279 0.27      
21 B2u 1131 1083 7.10      
22 B2u 222 212 0.98      
23 B3g 3232 3092 0.00      
24 B3g 1644 1573 0.00      
25 B3g 1320 1263 0.00      
26 B3g 635 608 0.00      
27 B3g 351 336 0.00      
28 B3u 828 792 51.01      
29 B3u 486 465 20.60      
30 B3u 102 98 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17871.6 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 17101.4 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 B1B95/TZVP
ABC
0.19180 0.02240 0.02005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.373
C2 0.000 0.000 -1.373
C3 0.000 1.203 0.692
C4 0.000 -1.203 0.692
C5 0.000 -1.203 -0.692
C6 0.000 1.203 -0.692
Cl7 0.000 0.000 3.114
Cl8 0.000 0.000 -3.114
H9 0.000 2.135 1.238
H10 0.000 -2.135 1.238
H11 0.000 -2.135 -1.238
H12 0.000 2.135 -1.238

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.74551.38271.38272.38982.38981.74154.48702.13912.13913.37233.3723
C22.74552.38982.38981.38271.38274.48701.74153.37233.37232.13912.1391
C31.38272.38982.40692.77631.38382.70493.99191.07963.38273.85592.1427
C41.38272.38982.40691.38382.77632.70493.99193.38271.07962.14273.8559
C52.38981.38272.77631.38382.40693.99192.70493.85592.14271.07963.3827
C62.38981.38271.38382.77632.40693.99192.70492.14273.85593.38271.0796
Cl71.74154.48702.70492.70493.99193.99196.22862.84242.84244.84754.8475
Cl84.48701.74153.99193.99192.70492.70496.22864.84754.84752.84242.8424
H92.13913.37231.07963.38273.85592.14272.84244.84754.26984.93552.4756
H102.13913.37233.38271.07962.14273.85592.84244.84754.26982.47564.9355
H113.37232.13913.85592.14271.07963.38274.84752.84244.93552.47564.2698
H123.37232.13912.14273.85593.38271.07964.84752.84242.47564.93554.2698

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 119.499 C1 C3 H9 120.126
C1 C4 C5 119.499 C1 C4 H10 120.126
C2 C5 C4 119.499 C2 C5 H11 120.126
C2 C6 C3 119.499 C2 C6 H12 120.126
C3 C1 C4 121.001 C3 C1 Cl7 119.499
C3 C6 H12 120.374 C4 C1 Cl7 119.499
C4 C5 H11 120.374 C5 C2 C6 121.001
C5 C2 Cl8 119.499 C5 C4 H10 120.374
C6 C2 Cl8 119.499 C6 C3 H9 120.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.105      
2 C -0.105      
3 C -0.059      
4 C -0.059      
5 C -0.059      
6 C -0.059      
7 Cl -0.078      
8 Cl -0.078      
9 H 0.151      
10 H 0.151      
11 H 0.151      
12 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.365 0.000 0.000
y 0.000 -52.339 0.000
z 0.000 0.000 -65.348
Traceless
 xyz
x -3.522 0.000 0.000
y 0.000 11.518 0.000
z 0.000 0.000 -7.996
Polar
3z2-r2-15.991
x2-y2-10.026
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.833 0.000 0.000
y 0.000 12.336 0.000
z 0.000 0.000 19.418


<r2> (average value of r2) Å2
<r2> 460.464
(<r2>)1/2 21.458