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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-230.772190
Energy at 298.15K-230.775099
HF Energy-230.772190
Nuclear repulsion energy186.449103
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 B97D3/6-31+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 3162 3107 8.14      
2 A1 3137 3083 6.14      
3 A1 1959 1926 0.46      
4 A1 1459 1434 3.21      
5 A1 1300 1277 0.86      
6 A1 1143 1123 0.39      
7 A1 1067 1049 25.46      
8 A1 981 964 6.50      
9 A1 608 597 0.32      
10 A2 923 907 0.00      
11 A2 836 821 0.00      
12 A2 567 557 0.00      
13 A2 418 411 0.00      
14 B1 880 865 0.09      
15 B1 722 710 89.09      
16 B1 379 373 6.19      
17 B2 3158 3104 43.19      
18 B2 3122 3068 1.05      
19 B2 1426 1402 11.17      
20 B2 1395 1371 3.77      
21 B2 1251 1229 0.20      
22 B2 1084 1065 1.73      
23 B2 822 808 30.33      
24 B2 409 402 107.55      

Unscaled Zero Point Vibrational Energy (zpe) 16102.6 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 15825.6 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 B97D3/6-31+G**
ABC
0.23149 0.18836 0.10386

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.631 -1.244
C2 0.000 -0.631 -1.244
C3 0.000 1.468 -0.135
C4 0.000 -1.468 -0.135
C5 0.000 0.705 1.065
C6 0.000 -0.705 1.065
H7 0.000 2.557 -0.134
H8 0.000 -2.557 -0.134
H9 0.000 1.236 2.018
H10 0.000 -1.236 2.018

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.26301.38922.37462.30952.66732.22233.37593.31723.7585
C21.26302.37461.38922.66732.30953.37592.22233.75853.3172
C31.38922.37462.93661.42172.48231.08834.02492.16523.4565
C42.37461.38922.93662.48231.42174.02491.08833.45652.1652
C52.30952.66731.42172.48231.41002.20553.47471.09122.1625
C62.66732.30952.48231.42171.41003.47472.20552.16251.0912
H72.22233.37591.08834.02492.20553.47475.11322.52454.3604
H83.37592.22234.02491.08833.47472.20555.11324.36042.5245
H93.31723.75852.16523.45651.09122.16252.52454.36042.4720
H103.75853.31723.45652.16522.16251.09124.36042.52452.4720

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.110 C1 C3 C5 110.459
C1 C3 H7 127.070 C2 C1 C3 127.110
C2 C4 C6 110.459 C2 C4 H8 127.070
C3 C5 C6 122.431 C3 C5 H9 118.707
C4 C6 C5 122.431 C4 C6 H10 118.707
C5 C3 H7 122.471 C5 C6 H10 118.862
C6 C4 H8 122.471 C6 C5 H9 118.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.012      
2 C -0.012      
3 C -0.137      
4 C -0.137      
5 C -0.144      
6 C -0.144      
7 H 0.148      
8 H 0.148      
9 H 0.145      
10 H 0.145      


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 1.810 1.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.155 0.000 0.000
y 0.000 -29.637 0.000
z 0.000 0.000 -35.208
Traceless
 xyz
x -5.733 0.000 0.000
y 0.000 7.045 0.000
z 0.000 0.000 -1.312
Polar
3z2-r2-2.624
x2-y2-8.519
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.773 0.000 0.000
y 0.000 12.618 0.000
z 0.000 0.000 10.999


<r2> (average value of r2) Å2
<r2> 114.754
(<r2>)1/2 10.712