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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-230.031304
Energy at 298.15K-230.034473
Nuclear repulsion energy188.559547
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 CID/6-31G*
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 3346 3091 4.98      
2 A1 3315 3062 7.83      
3 A1 2134 1971 0.70      
4 A1 1571 1451 0.13      
5 A1 1383 1278 0.39      
6 A1 1227 1133 0.02      
7 A1 1107 1023 26.24      
8 A1 1061 980 4.76      
9 A1 648 599 0.40      
10 A2 989 914 0.00      
11 A2 917 847 0.00      
12 A2 587 542 0.00      
13 A2 445 411 0.00      
14 B1 970 896 0.09      
15 B1 797 736 75.74      
16 B1 408 377 5.34      
17 B2 3342 3087 28.30      
18 B2 3298 3047 2.28      
19 B2 1605 1482 12.45      
20 B2 1510 1394 7.65      
21 B2 1339 1236 0.01      
22 B2 1183 1093 1.08      
23 B2 883 816 26.96      
24 B2 442 408 97.94      

Unscaled Zero Point Vibrational Energy (zpe) 17252.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 15936.3 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 CID/6-31G*
ABC
0.23755 0.19205 0.10620

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.619 -1.230
C2 0.000 -0.619 -1.230
C3 0.000 1.455 -0.129
C4 0.000 -1.455 -0.129
C5 0.000 0.703 1.048
C6 0.000 -0.703 1.048
H7 0.000 2.533 -0.133
H8 0.000 -2.533 -0.133
H9 0.000 1.220 1.998
H10 0.000 -1.220 1.998

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.23711.38242.34742.27952.63372.20643.33703.28333.7148
C21.23712.34741.38242.63372.27953.33702.20643.71483.2833
C31.38242.34742.90931.39632.45811.07843.98782.13953.4175
C42.34741.38242.90932.45811.39633.98781.07843.41752.1395
C52.27952.63371.39632.45811.40672.17793.44531.08132.1454
C62.63372.27952.45811.39631.40673.44532.17792.14541.0813
H72.20643.33701.07843.98782.17793.44535.06622.50274.3162
H83.33702.20643.98781.07843.44532.17795.06624.31622.5027
H93.28333.71482.13953.41751.08132.14542.50274.31622.4409
H103.71483.28333.41752.13952.14541.08134.31622.50272.4409

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.214 C1 C3 C5 110.234
C1 C3 H7 126.992 C2 C1 C3 127.214
C2 C4 C6 110.234 C2 C4 H8 126.992
C3 C5 C6 122.551 C3 C5 H9 118.881
C4 C6 C5 122.551 C4 C6 H10 118.881
C5 C3 H7 122.773 C5 C6 H10 118.568
C6 C4 H8 122.773 C6 C5 H9 118.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability