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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-231.621816
Energy at 298.15K-231.625582
HF Energy-230.683556
Nuclear repulsion energy174.971139
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 MP2/Def2TZVPP
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 3296 3136 0.00      
2 Ag 3201 3046 0.00      
3 Ag 3190 3035 0.00      
4 Ag 2219 2112 0.00      
5 Ag 1640 1561 0.00      
6 Ag 1445 1375 0.00      
7 Ag 1324 1260 0.00      
8 Ag 1087 1034 0.00      
9 Ag 722 687 0.00      
10 Ag 510 485 0.00      
11 Ag 218 208 0.00      
12 Au 1012 963 44.88      
13 Au 931 886 71.30      
14 Au 681 648 10.25      
15 Au 175 166 7.15      
16 Au 43 41 0.10      
17 Bg 1009 960 0.00      
18 Bg 931 886 0.00      
19 Bg 687 654 0.00      
20 Bg 349 332 0.00      
21 Bu 3296 3136 7.64      
22 Bu 3201 3046 16.34      
23 Bu 3190 3035 2.94      
24 Bu 1668 1587 39.12      
25 Bu 1468 1396 5.91      
26 Bu 1322 1258 4.11      
27 Bu 1224 1165 11.49      
28 Bu 1019 970 0.09      
29 Bu 523 498 8.18      
30 Bu 106 101 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 20843.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19832.7 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 MP2/Def2TZVPP
ABC
0.87749 0.04536 0.04313

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.016 0.611 0.000
C2 -0.016 -0.611 0.000
C3 -0.016 2.031 0.000
C4 0.016 -2.031 0.000
C5 1.085 2.802 0.000
C6 -1.085 -2.802 0.000
H7 -0.990 2.507 0.000
H8 0.990 -2.507 0.000
H9 2.076 2.368 0.000
H10 0.996 3.877 0.000
H11 -2.076 -2.368 0.000
H12 -0.996 -3.877 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22251.42052.64222.43803.58622.14583.26622.70743.41043.64004.6012
C21.22252.64221.42053.58622.43803.26622.14583.64004.60122.70743.4104
C31.42052.64224.06241.34414.95001.08384.64792.11842.10554.85765.9894
C42.64221.42054.06244.95001.34414.64791.08384.85765.98942.11842.1055
C52.43803.58621.34414.95006.00952.09605.30941.08111.07926.05986.9962
C63.58622.43804.95001.34416.00955.30942.09606.05986.99621.08111.0792
H72.14583.26621.08384.64792.09605.30945.38993.06852.41314.99436.3841
H83.26622.14584.64791.08385.30942.09605.38994.99436.38413.06852.4131
H92.70743.64002.11844.85761.08116.05983.06854.99431.85566.29806.9602
H103.41044.60122.10555.98941.07926.99622.41316.38411.85566.96028.0068
H113.64002.70744.85762.11846.05981.08114.99433.06856.29806.96021.8556
H124.60123.41045.98942.10556.99621.07926.38412.41316.96028.00681.8556

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 177.234 C1 C3 C5 123.713
C1 C3 H7 117.300 C2 C1 C3 177.234
C2 C4 C6 123.713 C2 C4 H8 117.300
C3 C5 H9 121.354 C3 C5 H10 120.256
C4 C6 H11 121.354 C4 C6 H12 120.256
C5 C3 H7 118.987 C6 C4 H8 118.987
H9 C5 H10 118.390 H11 C6 H12 118.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability