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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-230.869757
Energy at 298.15K-230.872920
Nuclear repulsion energy185.628301
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 B3LYP/LANL2DZ
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 3244 3119 8.44      
2 A1 3213 3088 6.20      
3 A1 1988 1911 0.02      
4 A1 1476 1419 0.03      
5 A1 1321 1269 1.68      
6 A1 1186 1140 0.44      
7 A1 1072 1031 27.02      
8 A1 996 957 6.67      
9 A1 627 602 0.22      
10 A2 1007 968 0.00      
11 A2 891 856 0.00      
12 A2 629 605 0.00      
13 A2 470 452 0.00      
14 B1 956 919 0.16      
15 B1 771 741 124.71      
16 B1 401 385 8.80      
17 B2 3238 3113 31.14      
18 B2 3193 3069 2.15      
19 B2 1468 1411 14.83      
20 B2 1422 1367 6.71      
21 B2 1273 1224 0.07      
22 B2 1112 1069 3.12      
23 B2 859 826 34.56      
24 B2 475 456 86.83      

Unscaled Zero Point Vibrational Energy (zpe) 16643.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15998.0 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 B3LYP/LANL2DZ
ABC
0.22925 0.18659 0.10287

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.633 -1.251
C2 0.000 -0.633 -1.251
C3 0.000 1.476 -0.134
C4 0.000 -1.476 -0.134
C5 0.000 0.710 1.070
C6 0.000 -0.710 1.070
H7 0.000 2.561 -0.136
H8 0.000 -2.561 -0.136
H9 0.000 1.238 2.022
H10 0.000 -1.238 2.022

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.26621.39962.38692.32182.68132.22733.38333.32813.7697
C21.26622.38691.39962.68132.32183.38332.22733.76973.3281
C31.39962.38692.95251.42662.49591.08504.03762.16883.4659
C42.38691.39962.95252.49591.42664.03761.08503.46592.1688
C52.32182.68131.42662.49591.42062.20903.48671.08852.1682
C62.68132.32182.49591.42661.42063.48672.20902.16821.0885
H72.22733.38331.08504.03762.20903.48675.12262.53154.3690
H83.38332.22734.03761.08503.48672.20905.12264.36902.5315
H93.32813.76972.16883.46591.08852.16822.53154.36902.4753
H103.76973.32813.46592.16882.16821.08854.36902.53152.4753

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.046 C1 C3 C5 110.478
C1 C3 H7 126.930 C2 C1 C3 127.046
C2 C4 C6 110.478 C2 C4 H8 126.930
C3 C5 C6 122.476 C3 C5 H9 118.546
C4 C6 C5 122.476 C4 C6 H10 118.546
C5 C3 H7 122.592 C5 C6 H10 118.978
C6 C4 H8 122.592 C6 C5 H9 118.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.036      
3 C -0.310      
4 C -0.310      
5 C -0.190      
6 C -0.190      
7 H 0.239      
8 H 0.239      
9 H 0.225      
10 H 0.225      


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 2.073 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.107 0.000 0.000
y 0.000 -28.688 0.000
z 0.000 0.000 -34.868
Traceless
 xyz
x -6.329 0.000 0.000
y 0.000 7.799 0.000
z 0.000 0.000 -1.470
Polar
3z2-r2-2.941
x2-y2-9.419
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.439 0.000 0.000
y 0.000 11.237 0.000
z 0.000 0.000 9.233


<r2> (average value of r2) Å2
<r2> 115.301
(<r2>)1/2 10.738