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

using model chemistry: CCSD=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-1149.681834
Energy at 298.15K-1149.686018
HF Energy-1148.559087
Nuclear repulsion energy446.249142
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 CCSD=FULL/cc-pVDZ
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 3255 3255 0.00      
2 Ag 1670 1670 0.00      
3 Ag 1197 1197 0.00      
4 Ag 1143 1143 0.00      
5 Ag 764 764 0.00      
6 Ag 333 333 0.00      
7 Au 972 972 0.00      
8 Au 415 415 0.00      
9 B1g 844 844 0.00      
10 B1u 3238 3238 1.58      
11 B1u 1530 1530 96.13      
12 B1u 1134 1134 83.16      
13 B1u 1026 1026 40.71      
14 B1u 561 561 23.38      
15 B2g 938 938 0.00      
16 B2g 644 644 0.00      
17 B2g 301 301 0.00      
18 B2u 3254 3254 2.29      
19 B2u 1438 1438 5.87      
20 B2u 1281 1281 0.00      
21 B2u 1123 1123 5.35      
22 B2u 221 221 0.93      
23 B3g 3240 3240 0.00      
24 B3g 1652 1652 0.00      
25 B3g 1313 1313 0.00      
26 B3g 638 638 0.00      
27 B3g 354 354 0.00      
28 B3u 835 835 47.18      
29 B3u 491 491 15.46      
30 B3u 104 104 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 17953.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17953.4 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 CCSD=FULL/cc-pVDZ
ABC
0.18703 0.02197 0.01966

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.394
C2 0.000 0.000 -1.394
C3 0.000 1.219 0.701
C4 0.000 -1.219 0.701
C5 0.000 -1.219 -0.701
C6 0.000 1.219 -0.701
Cl7 0.000 0.000 3.143
Cl8 0.000 0.000 -3.143
H9 0.000 2.162 1.253
H10 0.000 -2.162 1.253
H11 0.000 -2.162 -1.253
H12 0.000 2.162 -1.253

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78861.40191.40192.42422.42421.74864.53712.16662.16663.41813.4181
C22.78862.42422.42421.40191.40194.53711.74863.41813.41812.16662.1666
C31.40192.42422.43742.81221.40262.72884.03271.09293.42553.90512.1703
C41.40192.42422.43741.40262.81222.72884.03273.42551.09292.17033.9051
C52.42421.40192.81221.40262.43744.03272.72883.90512.17031.09293.4255
C62.42421.40191.40262.81222.43744.03272.72882.17033.90513.42551.0929
Cl71.74864.53712.72882.72884.03274.03276.28572.87142.87144.89904.8990
Cl84.53711.74864.03274.03272.72882.72886.28574.89904.89902.87142.8714
H92.16663.41811.09293.42553.90512.17032.87144.89904.32404.99802.5065
H102.16663.41813.42551.09292.17033.90512.87144.89904.32402.50654.9980
H113.41812.16663.90512.17031.09293.42554.89902.87144.99802.50654.3240
H123.41812.16662.17033.90513.42551.09294.89902.87142.50654.99804.3240

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 119.623 C1 C3 H9 120.046
C1 C4 C5 119.623 C1 C4 H10 120.046
C2 C5 C4 119.623 C2 C5 H11 120.046
C2 C6 C3 119.623 C2 C6 H12 120.046
C3 C1 C4 120.754 C3 C1 Cl7 119.623
C3 C6 H12 120.331 C4 C1 Cl7 119.623
C4 C5 H11 120.331 C5 C2 C6 120.754
C5 C2 Cl8 119.623 C5 C4 H10 120.331
C6 C2 Cl8 119.623 C6 C3 H9 120.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability