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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: HF/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 HF/LANL2DZ
 hartrees
Energy at 0K-229.318059
Energy at 298.15K-229.321487
Nuclear repulsion energy187.586102
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 HF/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 3447 3102 7.71      
2 A1 3408 3067 14.81      
3 A1 2167 1950 1.51      
4 A1 1592 1432 0.25      
5 A1 1401 1261 0.87      
6 A1 1267 1140 0.02      
7 A1 1104 993 37.12      
8 A1 1064 958 3.55      
9 A1 683 614 0.78      
10 A2 1127 1014 0.00      
11 A2 987 888 0.00      
12 A2 682 614 0.00      
13 A2 506 455 0.00      
14 B1 1076 968 0.11      
15 B1 855 769 142.82      
16 B1 442 398 13.11      
17 B2 3442 3097 33.15      
18 B2 3388 3049 5.65      
19 B2 1622 1460 24.61      
20 B2 1536 1383 3.74      
21 B2 1368 1231 0.03      
22 B2 1208 1087 2.34      
23 B2 931 838 46.05      
24 B2 452 407 155.91      

Unscaled Zero Point Vibrational Energy (zpe) 17876.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 16086.7 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 HF/LANL2DZ
ABC
0.23475 0.18980 0.10495

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.619 -1.237
C2 0.000 -0.619 -1.237
C3 0.000 1.466 -0.129
C4 0.000 -1.466 -0.129
C5 0.000 0.710 1.056
C6 0.000 -0.710 1.056
H7 0.000 2.535 -0.136
H8 0.000 -2.535 -0.136
H9 0.000 1.223 1.998
H10 0.000 -1.223 1.998

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.23771.39432.36062.29512.65052.20983.34043.29153.7232
C21.23772.36061.39432.65052.29513.34042.20983.72323.2915
C31.39432.36062.93131.40582.47781.06934.00072.14163.4289
C42.36061.39432.93132.47781.40584.00071.06933.42892.1416
C52.29512.65051.40582.47781.42032.18003.45731.07292.1507
C62.65052.29512.47781.40581.42033.45732.18002.15071.0729
H72.20983.34041.06934.00072.18003.45735.07002.50574.3222
H83.34042.20984.00071.06933.45732.18005.07004.32222.5057
H93.29153.72322.14163.42891.07292.15072.50574.32222.4463
H103.72323.29153.42892.14162.15071.07294.32222.50572.4463

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.397 C1 C3 C5 110.094
C1 C3 H7 127.021 C2 C1 C3 127.397
C2 C4 C6 110.094 C2 C4 H8 127.021
C3 C5 C6 122.510 C3 C5 H9 118.926
C4 C6 C5 122.510 C4 C6 H10 118.926
C5 C3 H7 122.885 C5 C6 H10 118.564
C6 C4 H8 122.885 C6 C5 H9 118.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.017      
2 C 0.017      
3 C -0.279      
4 C -0.279      
5 C -0.185      
6 C -0.185      
7 H 0.231      
8 H 0.231      
9 H 0.217      
10 H 0.217      


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 2.210 2.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.462 0.000 0.000
y 0.000 -29.287 0.000
z 0.000 0.000 -36.568
Traceless
 xyz
x -6.534 0.000 0.000
y 0.000 8.728 0.000
z 0.000 0.000 -2.194
Polar
3z2-r2-4.387
x2-y2-10.175
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.413 0.000 0.000
y 0.000 11.295 0.000
z 0.000 0.000 8.833


<r2> (average value of r2) Å2
<r2> 114.172
(<r2>)1/2 10.685