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

using model chemistry: CCSD(T)/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 CCSD(T)/TZVP
 hartrees
Energy at 0K-231.569154
Energy at 298.15K 
HF Energy-230.669739
Nuclear repulsion energy174.530539
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)/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 3264 3141        
2 Ag 3177 3057        
3 Ag 3166 3047        
4 Ag 2270 2185        
5 Ag 1641 1579        
6 Ag 1451 1397        
7 Ag 1329 1279        
8 Ag 1090 1049        
9 Ag 711 684        
10 Ag 496 478        
11 Ag 199 191        
12 Au 960 924        
13 Au 837 806        
14 Au 597 575        
15 Au 136 131        
16 Au 13 13        
17 Bg 959 923        
18 Bg 838 807        
19 Bg 553 532        
20 Bg 392i 377i        
21 Bu 3264 3141        
22 Bu 3176 3057        
23 Bu 3166 3047        
24 Bu 1663 1600        
25 Bu 1470 1415        
26 Bu 1326 1277        
27 Bu 1209 1164        
28 Bu 1015 977        
29 Bu 526 506        
30 Bu 106 102        

Unscaled Zero Point Vibrational Energy (zpe) 20107.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19353.4 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 CCSD(T)/TZVP
ABC
0.85284 0.04533 0.04304

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.609 0.000
C2 0.000 -0.609 0.000
C3 0.000 2.040 0.000
C4 0.000 -2.040 0.000
C5 1.124 2.780 0.000
C6 -1.124 -2.780 0.000
H7 -0.971 2.529 0.000
H8 0.971 -2.529 0.000
H9 2.106 2.319 0.000
H10 1.075 3.863 0.000
H11 -2.106 -2.319 0.000
H12 -1.075 -3.863 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21861.43102.64972.44483.57122.15133.28512.71263.42653.60714.5995
C21.21862.64971.43103.57122.44483.28512.15133.60714.59952.71263.4265
C31.43102.64974.08071.34594.95001.08694.67152.12402.11594.84166.0002
C42.64971.43104.08074.95001.34594.67151.08694.84166.00022.12402.1159
C52.44483.57121.34594.95005.99802.11015.31161.08411.08366.03656.9977
C63.57122.44484.95001.34595.99805.31162.11016.03656.99771.08411.0836
H72.15133.28511.08694.67152.11015.31165.41813.08352.44224.97966.3927
H83.28512.15134.67151.08695.31162.11015.41814.97966.39273.08352.4422
H92.71263.60712.12404.84161.08416.03653.08354.97961.85576.26536.9525
H103.42654.59952.11596.00021.08366.99772.44226.39271.85576.95258.0191
H113.60712.71264.84162.12406.03651.08414.97963.08356.26536.95251.8557
H124.59953.42656.00022.11596.99771.08366.39272.44226.95258.01911.8557

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 123.351
C1 C3 H7 116.722 C2 C1 C3 180.000
C2 C4 C6 123.351 C2 C4 H8 116.722
C3 C5 H9 121.494 C3 C5 H10 120.752
C4 C6 H11 121.494 C4 C6 H12 120.752
C5 C3 H7 119.926 C6 C4 H8 119.926
H9 C5 H10 117.754 H11 C6 H12 117.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability