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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-230.246390
Energy at 298.15K-230.249579
Nuclear repulsion energy185.533494
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 MP2=FULL/aug-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 3245 3145 6.36      
2 A1 3219 3120 2.21      
3 A1 1928 1868 1.24      
4 A1 1490 1444 2.12      
5 A1 1367 1325 0.21      
6 A1 1151 1115 0.75      
7 A1 1061 1029 19.89      
8 A1 996 965 4.45      
9 A1 600 582 0.11      
10 A2 903 875 0.00      
11 A2 851 825 0.00      
12 A2 610 591 0.00      
13 A2 474 459 0.00      
14 B1 883 856 0.47      
15 B1 737 715 83.86      
16 B1 387 375 5.82      
17 B2 3243 3143 12.42      
18 B2 3204 3105 0.25      
19 B2 1471 1426 0.01      
20 B2 1388 1346 9.58      
21 B2 1247 1209 0.08      
22 B2 1103 1069 0.95      
23 B2 867 841 10.12      
24 B2 593 575 7.11      

Unscaled Zero Point Vibrational Energy (zpe) 16509.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 16001.1 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 MP2=FULL/aug-cc-pVDZ
ABC
0.23009 0.18594 0.10283

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.640 -1.252
C2 0.000 -0.640 -1.252
C3 0.000 1.477 -0.129
C4 0.000 -1.477 -0.129
C5 0.000 0.710 1.064
C6 0.000 -0.710 1.064
H7 0.000 2.568 -0.125
H8 0.000 -2.568 -0.125
H9 0.000 1.236 2.024
H10 0.000 -1.236 2.024

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.28011.40052.39652.31672.68032.23333.40053.32923.7746
C21.28012.39651.40052.68032.31673.40052.23333.77463.3292
C31.40052.39652.95421.41832.49101.09134.04552.16613.4633
C42.39651.40052.95422.49101.41834.04551.09133.46332.1661
C52.31672.68031.41832.49101.41962.20653.48721.09462.1695
C62.68032.31672.49101.41831.41963.48722.20652.16951.0946
H72.23333.40051.09134.04552.20653.48725.13682.52864.3693
H83.40052.23334.04551.09133.48722.20655.13684.36932.5286
H93.32923.77462.16613.46331.09462.16952.52864.36932.4718
H103.77463.32923.46332.16612.16951.09464.36932.52862.4718

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.704 C1 C3 C5 110.542
C1 C3 H7 126.893 C2 C1 C3 126.704
C2 C4 C6 110.542 C2 C4 H8 126.893
C3 C5 C6 122.754 C3 C5 H9 118.517
C4 C6 C5 122.754 C4 C6 H10 118.517
C5 C3 H7 122.565 C5 C6 H10 118.729
C6 C4 H8 122.565 C6 C5 H9 118.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability