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All results from a given calculation for C6H6 (1,2,4,5-Hexatetraene)

using model chemistry: CCSD(T)/6-311G**

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)/6-311G**
 hartrees
Energy at 0K-231.532557
Energy at 298.15K-231.536339
HF Energy-230.625458
Nuclear repulsion energy175.142235
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)/6-311G**
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 3151 3040        
2 Ag 3127 3017        
3 Ag 1992 1922        
4 Ag 1497 1444        
5 Ag 1401 1351        
6 Ag 1163 1122        
7 Ag 1027 991        
8 Ag 852 822        
9 Ag 525 507        
10 Ag 220 212        
11 Au 3210 3096        
12 Au 1012 976        
13 Au 896 864        
14 Au 471 455        
15 Au 319 308        
16 Au 72 70        
17 Bg 3210 3096        
18 Bg 1014 978        
19 Bg 868 837        
20 Bg 652 629        
21 Bg 296 285        
22 Bu 3158 3047        
23 Bu 3127 3017        
24 Bu 2006 1935        
25 Bu 1466 1414        
26 Bu 1263 1218        
27 Bu 1079 1041        
28 Bu 853 823        
29 Bu 519 501        
30 Bu 117 113        

Unscaled Zero Point Vibrational Energy (zpe) 20279.7 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 19563.8 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)/6-311G**
ABC
1.04723 0.04485 0.04379

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.333 0.659 0.000
C2 0.333 -0.659 0.000
C3 0.333 1.806 0.000
C4 -0.333 -1.806 0.000
C5 1.004 2.942 0.000
C6 -1.004 -2.942 0.000
H7 -1.424 0.673 0.000
H8 1.424 -0.673 0.000
H9 1.289 3.428 0.933
H10 1.289 3.428 -0.933
H11 -1.289 -3.428 0.933
H12 -1.289 -3.428 -0.933

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47731.32592.46522.64523.66301.09102.20483.34133.34134.29964.2996
C21.47732.46521.32593.66302.64522.20481.09104.29964.29963.34133.3413
C31.32592.46523.67261.31934.93222.09062.70812.10092.10095.55795.5579
C42.46521.32593.67264.93221.31932.70812.09065.55795.55792.10092.1009
C52.64523.66301.31934.93226.21663.32323.63871.08951.08956.83356.8335
C63.66302.64524.93221.31936.21663.63873.32326.83356.83351.08951.0895
H71.09102.20482.09062.70813.32323.63873.14973.97753.97754.20714.2071
H82.20481.09102.70812.09063.63873.32323.14974.20714.20713.97753.9775
H93.34134.29962.10095.55791.08956.83353.97754.20711.86517.32407.5578
H103.34134.29962.10095.55791.08956.83353.97754.20711.86517.55787.3240
H114.29963.34135.55792.10096.83351.08954.20713.97757.32407.55781.8651
H124.29963.34135.55792.10096.83351.08954.20713.97757.55787.32401.8651

picture of 1,2,4,5-Hexatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 123.053 C1 C2 H8 117.500
C1 C3 C5 179.568 C2 C1 C3 123.053
C2 C1 H7 117.500 C2 C4 C6 179.568
C3 C1 H7 119.446 C3 C5 H9 121.138
C3 C5 H10 121.138 C4 C2 H8 119.446
C4 C6 H11 121.138 C4 C6 H12 121.138
H9 C5 H10 117.724 H11 C6 H12 117.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability