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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-230.220310
Energy at 298.15K-230.223283
Nuclear repulsion energy187.145835
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 CCD/6-31+G**
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 3293 3103 6.30      
2 A1 3264 3076 6.84      
3 A1 2000 1885 1.18      
4 A1 1522 1435 0.14      
5 A1 1353 1275 0.13      
6 A1 1190 1121 0.02      
7 A1 1079 1017 24.69      
8 A1 1026 967 3.61      
9 A1 622 586 0.09      
10 A2 904 852 0.00      
11 A2 863 813 0.00      
12 A2 473 446 0.00      
13 A2 349 329 0.00      
14 B1 904 852 0.27      
15 B1 747 704 93.17      
16 B1 377 355 6.11      
17 B2 3291 3101 21.79      
18 B2 3249 3061 1.44      
19 B2 1559 1469 1.82      
20 B2 1464 1380 8.23      
21 B2 1297 1223 0.03      
22 B2 1144 1078 0.92      
23 B2 886 835 16.90      
24 B2 559 526 24.94      

Unscaled Zero Point Vibrational Energy (zpe) 16707.4 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 15743.4 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 CCD/6-31+G**
ABC
0.23283 0.18991 0.10460

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 -1.244
C2 0.000 -0.628 -1.244
C3 0.000 1.461 -0.128
C4 0.000 -1.461 -0.128
C5 0.000 0.707 1.059
C6 0.000 -0.707 1.059
H7 0.000 2.541 -0.132
H8 0.000 -2.541 -0.132
H9 0.000 1.227 2.009
H10 0.000 -1.227 2.009

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.25661.39232.36872.30372.66152.21273.35903.30733.7445
C21.25662.36871.39232.66152.30373.35902.21273.74453.3073
C31.39232.36872.92251.40612.47171.08024.00262.14993.4341
C42.36871.39232.92252.47171.40614.00261.08023.43412.1499
C52.30372.66151.40612.47171.41402.18693.45971.08322.1547
C62.66152.30372.47171.40611.41403.45972.18692.15471.0832
H72.21273.35901.08024.00262.18693.45975.08282.51234.3340
H83.35902.21274.00261.08023.45972.18695.08284.33402.5123
H93.30733.74452.14993.43411.08322.15472.51234.33402.4537
H103.74453.30733.43412.14992.15471.08324.33402.51232.4537

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.746 C1 C3 C5 110.816
C1 C3 H7 126.537 C2 C1 C3 126.746
C2 C4 C6 110.816 C2 C4 H8 126.537
C3 C5 C6 122.439 C3 C5 H9 118.882
C4 C6 C5 122.439 C4 C6 H10 118.882
C5 C3 H7 122.648 C5 C6 H10 118.680
C6 C4 H8 122.648 C6 C5 H9 118.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability