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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: B3LYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-230.925510
Energy at 298.15K-230.928552
Nuclear repulsion energy186.968294
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/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 A1 3207 3111 5.52      
2 A1 3182 3087 4.58      
3 A1 2021 1961 0.03      
4 A1 1484 1439 0.75      
5 A1 1316 1277 0.65      
6 A1 1153 1118 0.05      
7 A1 1081 1049 22.61      
8 A1 1001 971 7.34      
9 A1 620 601 0.43      
10 A2 973 944 0.00      
11 A2 870 844 0.00      
12 A2 598 580 0.00      
13 A2 437 424 0.00      
14 B1 921 894 0.01      
15 B1 751 729 58.25      
16 B1 393 381 4.19      
17 B2 3203 3107 29.48      
18 B2 3166 3071 0.97      
19 B2 1473 1429 11.66      
20 B2 1423 1380 4.69      
21 B2 1260 1223 0.11      
22 B2 1103 1070 1.52      
23 B2 839 814 30.28      
24 B2 404 392 112.89      

Unscaled Zero Point Vibrational Energy (zpe) 16439.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 15946.4 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 B3LYP/cc-pVDZ
ABC
0.23328 0.18920 0.10447

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.627 -1.240
C2 0.000 -0.627 -1.240
C3 0.000 1.465 -0.133
C4 0.000 -1.465 -0.133
C5 0.000 0.704 1.059
C6 0.000 -0.704 1.059
H7 0.000 2.556 -0.133
H8 0.000 -2.556 -0.133
H9 0.000 1.232 2.017
H10 0.000 -1.232 2.017

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.25451.38782.36692.29972.65632.22373.37023.31233.7500
C21.25452.36691.38782.65632.29973.37022.22373.75003.3123
C31.38782.36692.93041.41432.47541.09104.02142.16283.4495
C42.36691.38782.93042.47541.41434.02141.09103.44952.1628
C52.29972.65631.41432.47541.40862.20243.47161.09392.1604
C62.65632.29972.47541.41431.40863.47162.20242.16041.0939
H72.22373.37021.09104.02142.20243.47165.11242.52524.3560
H83.37022.22374.02141.09103.47162.20245.11244.35602.5252
H93.31233.75002.16283.44951.09392.16042.52524.35602.4641
H103.75003.31233.44952.16282.16041.09394.35602.52522.4641

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.141 C1 C3 C5 110.309
C1 C3 H7 127.145 C2 C1 C3 127.141
C2 C4 C6 110.309 C2 C4 H8 127.145
C3 C5 C6 122.550 C3 C5 H9 118.602
C4 C6 C5 122.550 C4 C6 H10 118.602
C5 C3 H7 122.546 C5 C6 H10 118.849
C6 C4 H8 122.546 C6 C5 H9 118.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 C -0.049      
3 C 0.041      
4 C 0.041      
5 C 0.024      
6 C 0.024      
7 H -0.004      
8 H -0.004      
9 H -0.013      
10 H -0.013      


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 1.523 1.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.278 0.000 0.000
y 0.000 -29.410 0.000
z 0.000 0.000 -34.318
Traceless
 xyz
x -5.414 0.000 0.000
y 0.000 6.387 0.000
z 0.000 0.000 -0.973
Polar
3z2-r2-1.947
x2-y2-7.868
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.455 0.000 0.000
y 0.000 11.616 0.000
z 0.000 0.000 9.468


<r2> (average value of r2) Å2
<r2> 113.847
(<r2>)1/2 10.670