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

using model chemistry: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-231.683673
Energy at 298.15K-231.687693
HF Energy-230.656557
Nuclear repulsion energy177.306945
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=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3202 3040 0.00      
2 Ag 3182 3021 0.00      
3 Ag 2032 1929 0.00      
4 Ag 1515 1439 0.00      
5 Ag 1412 1340 0.00      
6 Ag 1184 1124 0.00      
7 Ag 1039 986 0.00      
8 Ag 892 847 0.00      
9 Ag 539 511 0.00      
10 Ag 228 216 0.00      
11 Au 3254 3090 0.43      
12 Au 1019 967 1.23      
13 Au 944 896 36.28      
14 Au 503 477 3.40      
15 Au 354 336 11.51      
16 Au 85 81 0.61      
17 Bg 3254 3090 0.00      
18 Bg 1021 969 0.00      
19 Bg 921 875 0.00      
20 Bg 693 658 0.00      
21 Bg 314 298 0.00      
22 Bu 3212 3049 3.57      
23 Bu 3182 3021 6.28      
24 Bu 2048 1945 61.21      
25 Bu 1477 1403 0.42      
26 Bu 1268 1204 9.14      
27 Bu 1105 1049 1.54      
28 Bu 893 848 100.31      
29 Bu 539 511 26.44      
30 Bu 120 114 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 20715.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 19666.8 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 MP2=FULL/cc-pVTZ
ABC
1.08041 0.04592 0.04485

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.327 0.649 0.000
C2 0.327 -0.649 0.000
C3 0.327 1.785 0.000
C4 -0.327 -1.785 0.000
C5 0.984 2.910 0.000
C6 -0.984 -2.910 0.000
H7 -1.406 0.667 0.000
H8 1.406 -0.667 0.000
H9 1.263 3.390 0.924
H10 1.263 3.390 -0.924
H11 -1.263 -3.390 0.924
H12 -1.263 -3.390 -0.924

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45391.31042.43432.61333.61951.07892.17593.30063.30064.24824.2482
C21.45392.43431.31043.61952.61332.17591.07894.24824.24823.30063.3006
C31.31042.43433.62931.30304.87452.06182.67892.07542.07545.49215.4921
C42.43431.31043.62934.87451.30302.67892.06185.49215.49212.07542.0754
C52.61333.61951.30304.87456.14383.27743.60191.07831.07836.75246.7524
C63.61952.61334.87451.30306.14383.60193.27746.75246.75241.07831.0783
H71.07892.17592.06182.67893.27743.60193.11183.92303.92304.16364.1636
H82.17591.07892.67892.06183.60193.27743.11184.16364.16363.92303.9230
H93.30064.24822.07545.49211.07836.75243.92304.16361.84887.23537.4678
H103.30064.24822.07545.49211.07836.75243.92304.16361.84887.46787.2353
H114.24823.30065.49212.07546.75241.07834.16363.92307.23537.46781.8488
H124.24823.30065.49212.07546.75241.07834.16363.92307.46787.23531.8488

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 123.353 C1 C2 H8 117.669
C1 C3 C5 179.630 C2 C1 C3 123.353
C2 C1 H7 117.669 C2 C4 C6 179.630
C3 C1 H7 118.978 C3 C5 H9 120.988
C3 C5 H10 120.988 C4 C2 H8 118.978
C4 C6 H11 120.988 C4 C6 H12 120.988
H9 C5 H10 118.025 H11 C6 H12 118.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability