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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-230.996775
Energy at 298.15K-230.999890
HF Energy-230.996775
Nuclear repulsion energy188.251476
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 B3LYPultrafine/aug-cc-pVTZ
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 3202 3098 6.29      
2 A1 3176 3072 3.68      
3 A1 2013 1947 0.22      
4 A1 1484 1436 1.13      
5 A1 1306 1263 1.47      
6 A1 1160 1123 0.00      
7 A1 1075 1040 20.88      
8 A1 999 966 7.44      
9 A1 626 605 0.47      
10 A2 985 953 0.00      
11 A2 877 849 0.00      
12 A2 606 586 0.00      
13 A2 455 441 0.00      
14 B1 935 904 0.00      
15 B1 756 732 80.02      
16 B1 397 384 5.99      
17 B2 3199 3095 23.39      
18 B2 3160 3057 0.97      
19 B2 1465 1418 13.79      
20 B2 1425 1379 1.68      
21 B2 1273 1232 0.07      
22 B2 1108 1072 1.37      
23 B2 851 823 32.13      
24 B2 428 414 113.10      

Unscaled Zero Point Vibrational Energy (zpe) 16479.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 15944.1 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.23619 0.19185 0.10586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.619 -1.233
C2 0.000 -0.619 -1.233
C3 0.000 1.457 -0.131
C4 0.000 -1.457 -0.131
C5 0.000 0.704 1.052
C6 0.000 -0.704 1.052
H7 0.000 2.537 -0.136
H8 0.000 -2.537 -0.136
H9 0.000 1.222 2.003
H10 0.000 -1.222 2.003

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.23831.38432.35052.28652.64042.20913.34103.29173.7231
C21.23832.35051.38432.64042.28653.34102.20913.72313.2917
C31.38432.35052.91401.40232.46361.07963.99372.14693.4251
C42.35051.38432.91402.46361.40233.99371.07963.42512.1469
C52.28652.64041.40232.46361.40792.18403.45151.08302.1480
C62.64042.28652.46361.40231.40793.45152.18402.14801.0830
H72.20913.34101.07963.99372.18403.45155.07332.51064.3247
H83.34102.20913.99371.07963.45152.18405.07334.32472.5106
H93.29173.72312.14693.42511.08302.14802.51064.32472.4441
H103.72313.29173.42512.14692.14801.08304.32472.51062.4441

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.245 C1 C3 C5 110.274
C1 C3 H7 126.982 C2 C1 C3 127.245
C2 C4 C6 110.274 C2 C4 H8 126.982
C3 C5 C6 122.480 C3 C5 H9 118.939
C4 C6 C5 122.480 C4 C6 H10 118.939
C5 C3 H7 122.744 C5 C6 H10 118.581
C6 C4 H8 122.744 C6 C5 H9 118.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.226      
2 C -0.226      
3 C -0.317      
4 C -0.317      
5 C -0.215      
6 C -0.215      
7 H 0.410      
8 H 0.410      
9 H 0.347      
10 H 0.347      


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 1.666 1.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.998 0.000 0.000
y 0.000 -29.809 0.000
z 0.000 0.000 -35.382
Traceless
 xyz
x -5.403 0.000 0.000
y 0.000 6.881 0.000
z 0.000 0.000 -1.478
Polar
3z2-r2-2.957
x2-y2-8.189
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.239 0.000 0.000
y 0.000 12.602 0.000
z 0.000 0.000 11.015


<r2> (average value of r2) Å2
<r2> 113.054
(<r2>)1/2 10.633