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

using model chemistry: CCD/TZVP

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/TZVP
 hartrees
Energy at 0K-231.519551
Energy at 298.15K 
HF Energy-230.671964
Nuclear repulsion energy175.161584
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/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 Ag 3291 3120 0.00      
2 Ag 3208 3041 0.00      
3 Ag 3195 3029 0.00      
4 Ag 2351 2229 0.00      
5 Ag 1693 1605 0.00      
6 Ag 1473 1397 0.00      
7 Ag 1351 1280 0.00      
8 Ag 1107 1050 0.00      
9 Ag 723 686 0.00      
10 Ag 520 493 0.00      
11 Ag 213 202 0.00      
12 Au 993 941 55.22      
13 Au 888 842 67.21      
14 Au 627 595 10.45      
15 Au 147 140 7.22      
16 Au 9i 9i 0.00      
17 Bg 992 940 0.00      
18 Bg 888 842 0.00      
19 Bg 585 555 0.00      
20 Bg 327i 310i 0.00      
21 Bu 3291 3120 18.91      
22 Bu 3208 3041 19.41      
23 Bu 3195 3029 6.17      
24 Bu 1715 1626 32.44      
25 Bu 1490 1412 4.84      
26 Bu 1348 1278 4.99      
27 Bu 1223 1160 15.26      
28 Bu 1028 975 0.12      
29 Bu 536 508 7.54      
30 Bu 109 103 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 20526.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 19459.0 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 CCD/TZVP
ABC
0.86206 0.04561 0.04332

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

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 2.036 0.000
C4 0.000 -2.036 0.000
C5 1.116 2.772 0.000
C6 -1.116 -2.772 0.000
H7 -0.970 2.521 0.000
H8 0.970 -2.521 0.000
H9 2.096 2.315 0.000
H10 1.067 3.853 0.000
H11 -2.096 -2.315 0.000
H12 -1.067 -3.853 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20861.43192.64052.43813.55602.14843.27252.70563.41893.59394.5827
C21.20862.64051.43193.55602.43813.27252.14843.59394.58272.70563.4189
C31.43192.64054.07241.33654.93611.08464.65942.11462.10644.82975.9845
C42.64051.43194.07244.93611.33654.65941.08464.82975.98452.11462.1064
C52.43813.55601.33654.93615.97642.10075.29531.08201.08156.01616.9749
C63.55602.43814.93611.33655.97645.29532.10076.01616.97491.08201.0815
H72.14843.27251.08464.65942.10075.29535.40273.07322.43324.96556.3744
H83.27252.14844.65941.08465.29532.10075.40274.96556.37443.07322.4332
H92.70563.59392.11464.82971.08206.01613.07324.96551.85056.24596.9312
H103.41894.58272.10645.98451.08156.97492.43326.37441.85056.93127.9949
H113.59392.70564.82972.11466.01611.08204.96553.07326.24596.93121.8505
H124.58273.41895.98452.10646.97491.08156.37442.43326.93127.99491.8505

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 123.415
C1 C3 H7 116.562 C2 C1 C3 180.000
C2 C4 C6 123.415 C2 C4 H8 116.562
C3 C5 H9 121.587 C3 C5 H10 120.821
C4 C6 H11 121.587 C4 C6 H12 120.821
C5 C3 H7 120.023 C6 C4 H8 120.023
H9 C5 H10 117.592 H11 C6 H12 117.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability