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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-231.551037
Energy at 298.15K-231.557396
HF Energy-230.636693
Nuclear repulsion energy213.788110
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 CCSD(T)/TZVP
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 3261 3139        
2 A1 3254 3132        
3 A1 3209 3089        
4 A1 1591 1531        
5 A1 1406 1353        
6 A1 1195 1150        
7 A1 1115 1073        
8 A1 991 954        
9 A1 906 872        
10 A1 773 744        
11 A1 684 658        
12 A2 1128 1086        
13 A2 897 863        
14 A2 859 827        
15 A2 778 749        
16 A2 536 516        
17 B1 3236 3114        
18 B1 1128 1086        
19 B1 998 960        
20 B1 749 721        
21 B1 614 591        
22 B1 507 488        
23 B2 3236 3115        
24 B2 3209 3089        
25 B2 1347 1297        
26 B2 1279 1231        
27 B2 1224 1178        
28 B2 993 955        
29 B2 862 830        
30 B2 823 792        

Unscaled Zero Point Vibrational Energy (zpe) 21392.8 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 20590.5 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 CCSD(T)/TZVP
ABC
0.24641 0.17532 0.12938

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.728 0.000 -1.009
C2 -0.728 0.000 -1.009
C3 0.000 1.076 -0.205
C4 0.000 -1.076 -0.205
C5 0.000 0.673 1.254
C6 0.000 -0.673 1.254
H7 1.479 0.000 -1.785
H8 -1.479 0.000 -1.785
H9 0.000 2.105 -0.547
H10 0.000 -2.105 -0.547
H11 0.000 1.353 2.095
H12 0.000 -1.353 2.095

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45641.52781.52782.47022.47021.07992.33972.27432.27433.46303.4630
C21.45641.52781.52782.47022.47022.33971.07992.27432.27433.46303.4630
C31.52781.52782.15221.51342.27752.41692.41691.08383.19902.31653.3449
C41.52781.52782.15222.27751.51342.41692.41693.19901.08383.34492.3165
C52.47022.47021.51342.27751.34593.44573.44572.30043.31011.08142.1933
C62.47022.47022.27751.51341.34593.44573.44573.31012.30042.19331.0814
H71.07992.33972.41692.41693.44573.44572.95802.85462.85464.36684.3668
H82.33971.07992.41692.41693.44573.44572.95802.85462.85464.36684.3668
H92.27432.27431.08383.19902.30043.31012.85462.85464.20912.74684.3510
H102.27432.27433.19901.08383.31012.30042.85462.85464.20914.35102.7468
H113.46303.46302.31653.34491.08142.19334.36684.36682.74684.35102.7051
H123.46303.46303.34492.31652.19331.08144.36684.36684.35102.74682.7051

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.535 C1 C2 C4 61.535
C1 C2 H8 134.051 C1 C3 C2 56.931
C1 C3 C5 108.628 C1 C3 H9 120.158
C1 C4 C2 56.931 C1 C4 C6 108.628
C1 C4 H10 120.158 C2 C1 C3 61.535
C2 C1 C4 61.535 C2 C1 H7 134.051
C2 C3 C5 108.628 C2 C3 H9 120.158
C2 C4 C6 108.628 C2 C4 H10 120.158
C3 C1 C4 89.554 C3 C1 H7 135.192
C3 C2 C4 89.554 C3 C2 H8 135.192
C3 C5 C6 105.448 C3 C5 H11 125.619
C4 C1 H7 135.192 C4 C2 H8 135.192
C4 C6 C5 105.448 C4 C6 H12 125.619
C5 C3 H9 123.840 C5 C6 H12 128.933
C6 C4 H10 123.840 C6 C5 H11 128.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability