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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-231.553073
Energy at 298.15K-231.556918
HF Energy-230.623439
Nuclear repulsion energy175.162727
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 CCD/6-31G(2df,p)
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 3307 3133 0.00      
2 Ag 3223 3052 0.00      
3 Ag 3209 3040 0.00      
4 Ag 2368 2243 0.00      
5 Ag 1695 1605 0.00      
6 Ag 1463 1386 0.00      
7 Ag 1346 1275 0.00      
8 Ag 1102 1044 0.00      
9 Ag 723 684 0.00      
10 Ag 529 501 0.00      
11 Ag 218 206 0.00      
12 Au 1034 980 31.80      
13 Au 971 920 62.17      
14 Au 697 661 7.14      
15 Au 181 171 5.31      
16 Au 39 37 0.07      
17 Bg 1032 977 0.00      
18 Bg 972 920 0.00      
19 Bg 711 674 0.00      
20 Bg 358 339 0.00      
21 Bu 3307 3133 10.20      
22 Bu 3222 3052 14.46      
23 Bu 3209 3040 3.76      
24 Bu 1719 1629 21.01      
25 Bu 1480 1402 5.62      
26 Bu 1342 1271 7.21      
27 Bu 1222 1157 15.63      
28 Bu 1026 972 0.09      
29 Bu 528 500 7.80      
30 Bu 109 103 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 21170.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 20052.4 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 CCD/6-31G(2df,p)
ABC
0.86653 0.04557 0.04329

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.604 0.000
C2 0.000 -0.604 0.000
C3 0.000 2.034 0.000
C4 0.000 -2.034 0.000
C5 1.112 2.776 0.000
C6 -1.112 -2.776 0.000
H7 -0.972 2.517 0.000
H8 0.972 -2.517 0.000
H9 2.095 2.322 0.000
H10 1.059 3.857 0.000
H11 -2.095 -2.322 0.000
H12 -1.059 -3.857 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20871.43002.63872.43993.55872.14513.26882.70933.42083.59934.5854
C21.20872.63871.43003.55872.43993.26882.14513.59934.58542.70933.4208
C31.43002.63874.06871.33684.93731.08524.65362.11462.10814.83435.9859
C42.63871.43004.06874.93731.33684.65361.08524.83435.98592.11462.1081
C52.43993.55871.33684.93735.98112.10045.29451.08241.08236.02336.9795
C63.55872.43994.93731.33685.98115.29452.10046.02336.97951.08241.0823
H72.14513.26881.08524.65362.10045.29455.39563.07322.43374.96756.3742
H83.26882.14514.65361.08525.29452.10045.39564.96756.37423.07322.4337
H92.70933.59932.11464.83431.08246.02333.07324.96751.85146.25546.9379
H103.42084.58542.10815.98591.08236.97952.43376.37421.85146.93797.9997
H113.59932.70934.83432.11466.02331.08244.96753.07326.25546.93791.8514
H124.58543.42085.98592.10816.97951.08236.37422.43376.93797.99971.8514

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 123.702
C1 C3 H7 116.381 C2 C1 C3 180.000
C2 C4 C6 123.702 C2 C4 H8 116.381
C3 C5 H9 121.522 C3 C5 H10 120.896
C4 C6 H11 121.522 C4 C6 H12 120.896
C5 C3 H7 119.917 C6 C4 H8 119.917
H9 C5 H10 117.582 H11 C6 H12 117.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability