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

using model chemistry: QCISD(T)=FULL/6-31+G**

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(T)=FULL/6-31+G**
 hartrees
Energy at 0K-231.522053
Energy at 298.15K-231.525526
HF Energy-230.613716
Nuclear repulsion energy174.006753
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(T)=FULL/6-31+G**
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 3308 3308        
2 Ag 3215 3215        
3 Ag 3205 3205        
4 Ag 2269 2269        
5 Ag 1657 1657        
6 Ag 1463 1463        
7 Ag 1337 1337        
8 Ag 1099 1099        
9 Ag 718 718        
10 Ag 512 512        
11 Ag 217 217        
12 Au 984 984        
13 Au 901 901        
14 Au 651 651        
15 Au 161 161        
16 Au 31 31        
17 Bg 981 981        
18 Bg 902 902        
19 Bg 624 624        
20 Bg 210 210        
21 Bu 3308 3308        
22 Bu 3215 3215        
23 Bu 3205 3205        
24 Bu 1680 1680        
25 Bu 1484 1484        
26 Bu 1335 1335        
27 Bu 1220 1220        
28 Bu 1023 1023        
29 Bu 525 525        
30 Bu 109 109        

Unscaled Zero Point Vibrational Energy (zpe) 20774.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20774.2 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(T)=FULL/6-31+G**
ABC
0.85170 0.04498 0.04272

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.613 0.000
C2 0.000 -0.613 0.000
C3 0.000 2.046 0.000
C4 0.000 -2.046 0.000
C5 1.127 2.793 0.000
C6 -1.127 -2.793 0.000
H7 -0.970 2.534 0.000
H8 0.970 -2.534 0.000
H9 2.109 2.338 0.000
H10 1.072 3.874 0.000
H11 -2.109 -2.338 0.000
H12 -1.072 -3.874 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22651.43322.65962.45383.58772.15173.29332.72423.43193.62704.6130
C21.22652.65961.43323.58772.45383.29332.15173.62704.61302.72423.4319
C31.43322.65964.09281.35174.96881.08554.68202.12892.11834.86496.0162
C42.65961.43324.09284.96881.35174.68201.08554.86496.01622.12892.1183
C52.45383.58771.35174.96886.02342.11265.32931.08241.08206.06577.0197
C63.58772.45384.96881.35176.02345.32932.11266.06577.01971.08241.0820
H72.15173.29331.08554.68202.11265.32935.42653.08492.44185.00316.4083
H83.29332.15174.68201.08555.32932.11265.42655.00316.40833.08492.4418
H92.72423.62702.12894.86491.08246.06573.08495.00311.85326.29676.9782
H103.43194.61302.11836.01621.08207.01972.44186.40831.85326.97828.0381
H113.62702.72424.86492.12896.06571.08245.00313.08496.29676.97821.8532
H124.61303.43196.01622.11837.01971.08206.40832.44186.97828.03811.8532

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 123.524
C1 C3 H7 116.694 C2 C1 C3 180.000
C2 C4 C6 123.524 C2 C4 H8 116.694
C3 C5 H9 121.603 C3 C5 H10 120.608
C4 C6 H11 121.603 C4 C6 H12 120.608
C5 C3 H7 119.782 C6 C4 H8 119.782
H9 C5 H10 117.789 H11 C6 H12 117.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability