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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-231.464013
Energy at 298.15K-231.470336
HF Energy-230.585046
Nuclear repulsion energy211.955327
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 QCISD(T)/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 3254 3102        
2 A1 3239 3087        
3 A1 3201 3051        
4 A1 1592 1518        
5 A1 1404 1338        
6 A1 1177 1122        
7 A1 1098 1046        
8 A1 978 932        
9 A1 912 869        
10 A1 757 722        
11 A1 663 632        
12 A2 1110 1057        
13 A2 906 863        
14 A2 852 812        
15 A2 787 750        
16 A2 529 504        
17 B1 3221 3070        
18 B1 1121 1068        
19 B1 983 937        
20 B1 751 716        
21 B1 623 594        
22 B1 507 483        
23 B2 3228 3077        
24 B2 3201 3051        
25 B2 1338 1275        
26 B2 1269 1210        
27 B2 1213 1156        
28 B2 978 932        
29 B2 851 811        
30 B2 813 775        

Unscaled Zero Point Vibrational Energy (zpe) 21277.5 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 20279.6 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 QCISD(T)/cc-pVDZ
ABC
0.24180 0.17259 0.12750

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.738 0.000 -1.015
C2 -0.738 0.000 -1.015
C3 0.000 1.083 -0.207
C4 0.000 -1.083 -0.207
C5 0.000 0.680 1.261
C6 0.000 -0.680 1.261
H7 1.496 0.000 -1.803
H8 -1.496 0.000 -1.803
H9 0.000 2.125 -0.550
H10 0.000 -2.125 -0.550
H11 0.000 1.366 2.114
H12 0.000 -1.366 2.114

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47621.53981.53982.48742.48741.09402.36962.29702.29703.49263.4926
C21.47621.53981.53982.48742.48742.36961.09402.29702.29703.49263.4926
C31.53981.53982.16691.52282.29462.44152.44151.09683.22692.33803.3743
C41.53981.53982.16692.29461.52282.44152.44153.22691.09683.37432.3380
C52.48742.48741.52282.29461.35983.47753.47752.31763.33931.09432.2164
C62.48742.48742.29461.52281.35983.47753.47753.33932.31762.21641.0943
H71.09402.36962.44152.44153.47753.47752.99292.88522.88524.41004.4100
H82.36961.09402.44152.44153.47753.47752.99292.88522.88524.41004.4100
H92.29702.29701.09683.22692.31763.33932.88522.88524.25022.77044.3916
H102.29702.29703.22691.09683.33932.31762.88522.88524.25024.39162.7704
H113.49263.49262.33803.37431.09432.21644.41004.41002.77044.39162.7320
H123.49263.49263.37432.33802.21641.09434.41004.41004.39162.77042.7320

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.357 C1 C2 C4 61.357
C1 C2 H8 133.883 C1 C3 C2 57.286
C1 C3 C5 108.621 C1 C3 H9 120.263
C1 C4 C2 57.286 C1 C4 C6 108.621
C1 C4 H10 120.263 C2 C1 C3 61.357
C2 C1 C4 61.357 C2 C1 H7 133.883
C2 C3 C5 108.621 C2 C3 H9 120.263
C2 C4 C6 108.621 C2 C4 H10 120.263
C3 C1 C4 89.437 C3 C1 H7 135.263
C3 C2 C4 89.437 C3 C2 H8 135.263
C3 C5 C6 105.368 C3 C5 H11 125.807
C4 C1 H7 135.263 C4 C2 H8 135.263
C4 C6 C5 105.368 C4 C6 H12 125.807
C5 C3 H9 123.617 C5 C6 H12 128.826
C6 C4 H10 123.617 C6 C5 H11 128.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability