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All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-231.514432
Energy at 298.15K-231.518160
HF Energy-230.650154
Nuclear repulsion energy174.235455
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3265 3115 0.00      
2 Ag 3186 3040 0.00      
3 Ag 3168 3023 0.00      
4 Ag 2315 2209 0.00      
5 Ag 1670 1594 0.00      
6 Ag 1452 1386 0.00      
7 Ag 1333 1271 0.00      
8 Ag 1094 1043 0.00      
9 Ag 717 684 0.00      
10 Ag 529 505 0.00      
11 Ag 224 214 0.00      
12 Au 1001 955 49.09      
13 Au 926 884 64.52      
14 Au 666 635 8.63      
15 Au 178 170 6.71      
16 Au 33 31 0.06      
17 Bg 999 953 0.00      
18 Bg 927 884 0.00      
19 Bg 657 626 0.00      
20 Bg 317 302 0.00      
21 Bu 3265 3115 20.53      
22 Bu 3186 3039 22.75      
23 Bu 3168 3023 5.55      
24 Bu 1695 1617 24.35      
25 Bu 1470 1403 5.40      
26 Bu 1329 1268 6.22      
27 Bu 1213 1157 18.82      
28 Bu 1019 972 0.04      
29 Bu 528 504 8.14      
30 Bu 110 105 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 20818.7 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 19863.1 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 QCISD/6-311G**
ABC
0.85470 0.04511 0.04285

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.608 0.000
C2 0.000 -0.608 0.000
C3 0.000 2.046 0.000
C4 0.000 -2.046 0.000
C5 1.121 2.789 0.000
C6 -1.121 -2.789 0.000
H7 -0.975 2.531 0.000
H8 0.975 -2.531 0.000
H9 2.106 2.330 0.000
H10 1.068 3.874 0.000
H11 -2.106 -2.330 0.000
H12 -1.068 -3.874 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21641.43782.65422.45213.57742.15553.28682.72043.43593.61514.6075
C21.21642.65421.43783.57742.45213.28682.15553.61514.60752.72043.4359
C31.43782.65424.09201.34504.96331.08864.67942.12512.11704.85656.0154
C42.65421.43784.09204.96331.34504.67941.08864.85656.01542.12512.1170
C52.45213.57741.34504.96336.01182.11185.32171.08651.08626.05157.0133
C63.57742.45214.96331.34506.01185.32172.11186.05157.01331.08651.0862
H72.15553.28681.08864.67942.11185.32175.42393.08732.44484.99086.4053
H83.28682.15554.67941.08865.32172.11185.42394.99086.40533.08732.4448
H92.72043.61512.12514.85651.08656.05153.08734.99081.86026.28176.9688
H103.43594.60752.11706.01541.08627.01332.44486.40531.86026.96888.0368
H113.61512.72044.85652.12516.05151.08654.99083.08736.28176.96881.8602
H124.60753.43596.01542.11707.01331.08626.40532.44486.96888.03681.8602

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 123.530
C1 C3 H7 116.441 C2 C1 C3 180.000
C2 C4 C6 123.530 C2 C4 H8 116.441
C3 C5 H9 121.488 C3 C5 H10 120.729
C4 C6 H11 121.488 C4 C6 H12 120.729
C5 C3 H7 120.030 C6 C4 H8 120.030
H9 C5 H10 117.783 H11 C6 H12 117.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability