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

using model chemistry: CCSD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-231.512573
Energy at 298.15K-231.515830
HF Energy-230.617896
Nuclear repulsion energy172.535771
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 CCSD(T)/aug-cc-pVDZ
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 3250 3128        
2 Ag 3166 3047        
3 Ag 3146 3028        
4 Ag 2236 2152        
5 Ag 1621 1560        
6 Ag 1420 1367        
7 Ag 1301 1252        
8 Ag 1059 1019        
9 Ag 694 668        
10 Ag 427 411        
11 Ag 127 122        
12 Au 971 934        
13 Au 912 878        
14 Au 652 628        
15 Au 159 153        
16 Au 39 37        
17 Bg 968 931        
18 Bg 913 879        
19 Bg 643 619        
20 Bg 211 203        
21 Bu 3250 3128        
22 Bu 3165 3047        
23 Bu 3146 3028        
24 Bu 1647 1585        
25 Bu 1441 1387        
26 Bu 1298 1250        
27 Bu 1194 1149        
28 Bu 998 960        
29 Bu 505 486        
30 Bu 102 98        

Unscaled Zero Point Vibrational Energy (zpe) 20329.2 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19566.9 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 CCSD(T)/aug-cc-pVDZ
ABC
0.83745 0.04425 0.04203

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.619 0.000
C2 0.000 -0.619 0.000
C3 0.000 2.063 0.000
C4 0.000 -2.063 0.000
C5 1.134 2.816 0.000
C6 -1.134 -2.816 0.000
H7 -0.982 2.554 0.000
H8 0.982 -2.554 0.000
H9 2.127 2.352 0.000
H10 1.076 3.910 0.000
H11 -2.127 -2.352 0.000
H12 -1.076 -3.910 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23801.44412.68212.47283.61762.17003.32152.74373.46243.65394.6550
C21.23802.68211.44413.61762.47283.32152.17003.65394.65502.74373.4624
C31.44412.68214.12621.36175.00941.09804.72042.14672.13744.90076.0692
C42.68211.44414.12625.00941.36174.72041.09804.90076.06922.14672.1374
C52.47283.61761.36175.00946.07222.13295.37231.09591.09546.11127.0800
C63.61762.47285.00941.36176.07225.37232.13296.11127.08001.09591.0954
H72.17003.32151.09804.72042.13295.37235.47263.11592.46475.03776.4646
H83.32152.17004.72041.09805.37232.13295.47265.03776.46463.11592.4647
H92.74373.65392.14674.90071.09596.11123.11595.03771.87966.34237.0335
H103.46244.65502.13746.06921.09547.08002.46476.46461.87967.03358.1107
H113.65392.74374.90072.14676.11121.09595.03773.11596.34237.03351.8796
H124.65503.46246.06922.13747.08001.09546.46462.46477.03358.11071.8796

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 123.576
C1 C3 H7 116.553 C2 C1 C3 180.000
C2 C4 C6 123.576 C2 C4 H8 116.553
C3 C5 H9 121.358 C3 C5 H10 120.512
C4 C6 H11 121.358 C4 C6 H12 120.512
C5 C3 H7 119.871 C6 C4 H8 119.871
H9 C5 H10 118.130 H11 C6 H12 118.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability