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All results from a given calculation for C6H5Cl (chlorobenzene)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-690.545131
Energy at 298.15K-690.549893
HF Energy-689.618159
Nuclear repulsion energy315.072621
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 MP2/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3283 3088 4.71      
2 A1 3273 3078 9.15      
3 A1 3253 3060 0.20      
4 A1 1654 1555 26.66      
5 A1 1531 1440 38.11      
6 A1 1219 1147 0.02      
7 A1 1137 1069 38.84      
8 A1 1054 992 15.10      
9 A1 1017 957 5.60      
10 A1 722 679 18.70      
11 A1 424 399 2.40      
12 A2 899 846 0.00      
13 A2 818 769 0.00      
14 A2 382 360 0.00      
15 B1 888 835 0.12      
16 B1 850 800 0.21      
17 B1 719 676 104.32      
18 B1 420 395 6.36      
19 B1 261 245 0.35      
20 B1 173 163 0.41      
21 B2 3279 3084 7.92      
22 B2 3261 3067 6.09      
23 B2 1651 1553 2.02      
24 B2 1495 1407 4.54      
25 B2 1463 1376 0.20      
26 B2 1348 1268 0.19      
27 B2 1203 1131 0.07      
28 B2 1113 1047 4.65      
29 B2 624 587 0.21      
30 B2 299 281 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 19855.6 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 18676.2 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 MP2/6-31+G**
ABC
0.18905 0.05225 0.04094

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 2.254
C2 0.000 0.000 0.513
C3 0.000 1.216 -0.173
C4 0.000 -1.216 -0.173
C5 0.000 1.209 -1.571
C6 0.000 -1.209 -1.571
C7 0.000 0.000 -2.274
H8 0.000 2.148 0.378
H9 0.000 -2.148 0.378
H10 0.000 2.150 -2.107
H11 0.000 -2.150 -2.107
H12 0.000 0.000 -3.356

Atom - Atom Distances (Å)
  Cl1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
Cl11.74062.71472.71474.01104.01104.52742.85172.85174.86144.86145.6101
C21.74061.39661.39662.40912.40912.78692.15192.15193.38893.38893.8695
C32.71471.39662.43241.39762.79882.42721.08223.40872.14693.88183.4075
C42.71471.39662.43242.79881.39762.42723.40871.08223.88182.14693.4075
C54.01102.40911.39762.79882.41721.39812.16313.88091.08313.40102.1560
C64.01102.40912.79881.39762.41721.39813.88092.16313.40101.08312.1560
C74.52742.78692.42722.42721.39811.39813.41213.41212.15652.15651.0826
H82.85172.15191.08223.40872.16313.88093.41214.29542.48414.96394.3076
H92.85172.15193.40871.08223.88092.16313.41214.29544.96392.48414.3076
H104.86143.38892.14693.88181.08313.40102.15652.48414.96394.29992.4869
H114.86143.38893.88182.14693.40101.08312.15654.96392.48414.29992.4869
H125.61013.86953.40753.40752.15602.15601.08264.30764.30762.48692.4869

picture of chlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C2 C3 119.440 Cl1 C2 C4 119.440
C2 C3 C5 119.127 C2 C3 H8 119.955
C2 C4 C6 119.127 C2 C4 H9 119.955
C3 C2 C4 121.120 C3 C5 C7 120.493
C3 C5 H10 119.323 C4 C6 C7 120.493
C4 C6 H11 119.323 C5 C3 H8 120.918
C5 C7 C6 119.641 C5 C7 H12 120.180
C6 C4 H9 120.918 C6 C7 H12 120.180
C7 C5 H10 120.185 C7 C6 H11 120.185
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.154     -0.114
2 C -0.148     0.011
3 C -0.144     -0.028
4 C -0.144     -0.028
5 C -0.218     -0.191
6 C -0.218     -0.191
7 C -0.099     -0.066
8 H 0.171     0.106
9 H 0.171     0.106
10 H 0.159     0.140
11 H 0.159     0.140
12 H 0.157     0.115


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 -1.744 1.744
CHELPG        
AIM        
ESP 0.000 0.000 -1.853 1.853


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000