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

using model chemistry: CISD/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 CISD/cc-pVTZ
 hartrees
Energy at 0K-231.439359
Energy at 298.15K-231.443627
HF Energy-230.657527
Nuclear repulsion energy178.001679
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 CISD/cc-pVTZ
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 3286 3056 0.00      
2 Ag 3254 3025 0.00      
3 Ag 2142 1992 0.00      
4 Ag 1588 1476 0.00      
5 Ag 1471 1367 0.00      
6 Ag 1223 1137 0.00      
7 Ag 1091 1015 0.00      
8 Ag 963 895 0.00      
9 Ag 565 525 0.00      
10 Ag 246 229 0.00      
11 Au 3336 3102 1.86      
12 Au 1070 995 2.00      
13 Au 978 910 37.64      
14 Au 520 483 3.08      
15 Au 377 351 13.56      
16 Au 81 76 0.40      
17 Bg 3336 3102 0.00      
18 Bg 1072 997 0.00      
19 Bg 960 893 0.00      
20 Bg 718 668 0.00      
21 Bg 345 321 0.00      
22 Bu 3294 3063 4.65      
23 Bu 3254 3026 5.98      
24 Bu 2150 1999 136.31      
25 Bu 1539 1431 0.18      
26 Bu 1328 1234 19.79      
27 Bu 1158 1077 0.90      
28 Bu 963 896 103.71      
29 Bu 575 535 32.74      
30 Bu 128 119 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 21504.9 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 19995.3 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 CISD/cc-pVTZ
ABC
1.08317 0.04627 0.04518

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.326 0.655 0.000
C2 0.326 -0.655 0.000
C3 0.326 1.779 0.000
C4 -0.326 -1.779 0.000
C5 0.979 2.897 0.000
C6 -0.979 -2.897 0.000
H7 -1.401 0.676 0.000
H8 1.401 -0.676 0.000
H9 1.257 3.377 0.920
H10 1.257 3.377 -0.920
H11 -1.257 -3.377 0.920
H12 -1.257 -3.377 -0.920

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46371.30032.43452.59463.61181.07492.18113.28043.28044.23884.2388
C21.46372.43451.30033.61182.59462.18111.07494.23884.23883.28043.2804
C31.30032.43453.61841.29434.85562.04972.68072.06492.06495.47175.4717
C42.43451.30033.61844.85561.29432.68072.04975.47175.47172.06492.0649
C52.59463.61181.29434.85566.11653.25533.59861.07431.07436.72386.7238
C63.61182.59464.85561.29436.11653.59863.25536.72386.72381.07431.0743
H71.07492.18112.04972.68073.25533.59863.11173.89923.89924.15874.1587
H82.18111.07492.68072.04973.59863.25533.11174.15874.15873.89923.8992
H93.28044.23882.06495.47171.07436.72383.89924.15871.84087.20607.4374
H103.28044.23882.06495.47171.07436.72383.89924.15871.84087.43747.2060
H114.23883.28045.47172.06496.72381.07434.15873.89927.20607.43741.8408
H124.23883.28045.47172.06496.72381.07434.15873.89927.43747.20601.8408

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 123.369 C1 C2 H8 117.626
C1 C3 C5 179.877 C2 C1 C3 123.369
C2 C1 H7 117.626 C2 C4 C6 179.877
C3 C1 H7 119.004 C3 C5 H9 121.048
C3 C5 H10 121.048 C4 C2 H8 119.004
C4 C6 H11 121.048 C4 C6 H12 121.048
H9 C5 H10 117.904 H11 C6 H12 117.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability