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

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-229.824202
Energy at 298.15K-229.828083
HF Energy-229.288739
Nuclear repulsion energy175.272307
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/3-21G*
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 3163 2998 0.00      
2 Ag 3158 2994 0.00      
3 Ag 2007 1902 0.00      
4 Ag 1560 1479 0.00      
5 Ag 1452 1377 0.00      
6 Ag 1179 1118 0.00      
7 Ag 1031 977 0.00      
8 Ag 948 899 0.00      
9 Ag 539 511 0.00      
10 Ag 216 205 0.00      
11 Au 3230 3062 8.04      
12 Au 1101 1043 0.79      
13 Au 948 899 44.55      
14 Au 497 471 7.01      
15 Au 296 281 12.69      
16 Au 75 71 0.31      
17 Bg 3230 3062 0.00      
18 Bg 1102 1045 0.00      
19 Bg 927 878 0.00      
20 Bg 696 660 0.00      
21 Bg 278 263 0.00      
22 Bu 3171 3006 6.70      
23 Bu 3158 2994 8.84      
24 Bu 2026 1920 27.69      
25 Bu 1549 1469 0.78      
26 Bu 1344 1274 3.75      
27 Bu 1107 1050 2.02      
28 Bu 949 899 124.60      
29 Bu 534 506 21.39      
30 Bu 116 110 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 20790.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 19709.8 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/3-21G*
ABC
1.05481 0.04485 0.04379

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.333 0.663 0.000
C2 0.333 -0.663 0.000
C3 0.333 1.806 0.000
C4 -0.333 -1.806 0.000
C5 0.998 2.941 0.000
C6 -0.998 -2.941 0.000
H7 -1.423 0.669 0.000
H8 1.423 -0.669 0.000
H9 1.288 3.437 0.924
H10 1.288 3.437 -0.924
H11 -1.288 -3.437 0.924
H12 -1.288 -3.437 -0.924

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.48331.32272.46912.63823.66501.09012.20333.34263.34264.30964.3096
C21.48332.46911.32273.66502.63822.20331.09014.30964.30963.34263.3426
C31.32272.46913.67311.31554.93032.09162.70442.10342.10345.56485.5648
C42.46911.32273.67314.93031.31552.70442.09165.56485.56482.10342.1034
C52.63823.66501.31554.93036.21163.31993.63501.08761.08766.83786.8378
C63.66502.63824.93031.31556.21163.63503.31996.83786.83781.08761.0876
H71.09012.20332.09162.70443.31993.63503.14413.98273.98274.21034.2103
H82.20331.09012.70442.09163.63503.31993.14414.21034.21033.98273.9827
H93.34264.30962.10345.56481.08766.83783.98274.21031.84737.34027.5691
H103.34264.30962.10345.56481.08766.83783.98274.21031.84737.56917.3402
H114.30963.34265.56482.10346.83781.08764.21033.98277.34027.56911.8473
H124.30963.34265.56482.10346.83781.08764.21033.98277.56917.34021.8473

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 123.160 C1 C2 H8 116.954
C1 C3 C5 179.834 C2 C1 C3 123.160
C2 C1 H7 116.954 C2 C4 C6 179.834
C3 C1 H7 119.886 C3 C5 H9 121.869
C3 C5 H10 121.869 C4 C2 H8 119.886
C4 C6 H11 121.869 C4 C6 H12 121.869
H9 C5 H10 116.263 H11 C6 H12 116.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability