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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-231.443667
Energy at 298.15K-231.450367
HF Energy-230.643893
Nuclear repulsion energy216.266318
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 CISD/6-311+G(3df,2p)
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 3369 3106 4.13      
2 A1 3359 3096 4.49      
3 A1 3312 3053 1.82      
4 A1 1712 1579 8.87      
5 A1 1499 1382 0.41      
6 A1 1260 1162 3.71      
7 A1 1176 1084 1.99      
8 A1 1038 957 0.08      
9 A1 973 897 0.49      
10 A1 817 753 3.66      
11 A1 741 683 5.15      
12 A2 1200 1106 0.00      
13 A2 1000 922 0.00      
14 A2 962 887 0.00      
15 A2 858 791 0.00      
16 A2 570 526 0.00      
17 B1 3341 3080 5.44      
18 B1 1202 1108 23.09      
19 B1 1077 992 0.42      
20 B1 823 758 103.40      
21 B1 699 644 2.65      
22 B1 538 496 12.72      
23 B2 3342 3081 4.31      
24 B2 3312 3053 21.21      
25 B2 1420 1309 6.59      
26 B2 1356 1250 3.54      
27 B2 1295 1194 1.53      
28 B2 1045 963 0.12      
29 B2 904 834 6.90      
30 B2 863 795 8.63      

Unscaled Zero Point Vibrational Energy (zpe) 22530.9 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 20769.0 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 CISD/6-311+G(3df,2p)
ABC
0.25303 0.17881 0.13221

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.717 0.000 -1.000
C2 -0.717 0.000 -1.000
C3 0.000 1.063 -0.205
C4 0.000 -1.063 -0.205
C5 0.000 0.661 1.242
C6 0.000 -0.661 1.242
H7 1.471 0.000 -1.760
H8 -1.471 0.000 -1.760
H9 0.000 2.083 -0.537
H10 0.000 -2.083 -0.537
H11 0.000 1.333 2.076
H12 0.000 -1.333 2.076

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.43391.50861.50862.44572.44571.06992.31582.25152.25153.42863.4286
C21.43391.50861.50862.44572.44572.31581.06992.25152.25153.42863.4286
C31.50861.50862.12521.50192.25082.38952.38951.07343.16342.29683.3080
C41.50861.50862.12522.25081.50192.38952.38953.16341.07343.30802.2968
C52.44572.44571.50192.25081.32253.40773.40772.27783.27091.07072.1618
C62.44572.44572.25081.50191.32253.40773.40773.27092.27782.16181.0707
H71.06992.31582.38952.38953.40773.40772.94162.82822.82824.31894.3189
H82.31581.06992.38952.38953.40773.40772.94162.82822.82824.31894.3189
H92.25152.25151.07343.16342.27783.27092.82822.82824.16672.71844.3013
H102.25152.25153.16341.07343.27092.27782.82822.82824.16674.30132.7184
H113.42863.42862.29683.30801.07072.16184.31894.31892.71844.30132.6667
H123.42863.42863.30802.29682.16181.07074.31894.31894.30132.71842.6667

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.625 C1 C2 C4 61.625
C1 C2 H8 134.797 C1 C3 C2 56.750
C1 C3 C5 108.658 C1 C3 H9 120.444
C1 C4 C2 56.750 C1 C4 C6 108.658
C1 C4 H10 120.444 C2 C1 C3 61.625
C2 C1 C4 61.625 C2 C1 H7 134.797
C2 C3 C5 108.658 C2 C3 H9 120.444
C2 C4 C6 108.658 C2 C4 H10 120.444
C3 C1 C4 89.553 C3 C1 H7 135.156
C3 C2 C4 89.553 C3 C2 H8 135.156
C3 C5 C6 105.499 C3 C5 H11 125.621
C4 C1 H7 135.156 C4 C2 H8 135.156
C4 C6 C5 105.499 C4 C6 H12 125.621
C5 C3 H9 123.517 C5 C6 H12 128.880
C6 C4 H10 123.517 C6 C5 H11 128.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability