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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-230.503760
Energy at 298.15K 
HF Energy-230.320734
Nuclear repulsion energy176.124039
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 B2PLYP=FULLultrafine/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 3170 3170 0.00      
2 Ag 3149 3149 0.00      
3 Ag 2037 2037 0.00      
4 Ag 1548 1548 0.00      
5 Ag 1450 1450 0.00      
6 Ag 1187 1187 0.00      
7 Ag 1038 1038 0.00      
8 Ag 934 934 0.00      
9 Ag 546 546 0.00      
10 Ag 227 227 0.00      
11 Au 3218 3218 8.00      
12 Au 1081 1081 0.94      
13 Au 953 953 46.52      
14 Au 499 499 5.44      
15 Au 331 331 12.76      
16 Au 82 82 0.45      
17 Bg 3218 3218 0.00      
18 Bg 1083 1083 0.00      
19 Bg 928 928 0.00      
20 Bg 697 697 0.00      
21 Bg 303 303 0.00      
22 Bu 3180 3180 7.69      
23 Bu 3150 3150 12.62      
24 Bu 2061 2061 64.94      
25 Bu 1532 1532 0.53      
26 Bu 1337 1337 6.15      
27 Bu 1124 1124 3.05      
28 Bu 935 935 130.71      
29 Bu 546 546 23.98      
30 Bu 122 122 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 20830.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20830.7 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 B2PLYP=FULLultrafine/3-21G
ABC
1.06731 0.04527 0.04421

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.329 0.660 0.000
C2 0.329 -0.660 0.000
C3 0.329 1.799 0.000
C4 -0.329 -1.799 0.000
C5 0.988 2.928 0.000
C6 -0.988 -2.928 0.000
H7 -1.416 0.665 0.000
H8 1.416 -0.665 0.000
H9 1.276 3.423 0.923
H10 1.276 3.423 -0.923
H11 -1.276 -3.423 0.923
H12 -1.276 -3.423 -0.923

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47591.31562.45972.62253.64851.08692.19183.32543.32544.29174.2917
C21.47592.45971.31563.64852.62252.19181.08694.29174.29173.32543.3254
C31.31562.45973.65841.30694.90752.08152.69362.09362.09365.54055.5405
C42.45971.31563.65844.90751.30692.69362.08155.54055.54052.09362.0936
C52.62253.64851.30694.90756.18063.30163.61881.08611.08616.80506.8050
C63.64852.62254.90751.30696.18063.61883.30166.80506.80501.08611.0861
H71.08692.19182.08152.69363.30163.61883.12933.96263.96264.19314.1931
H82.19181.08692.69362.08153.61883.30163.12934.19314.19313.96263.9626
H93.32544.29172.09365.54051.08616.80503.96264.19311.84647.30537.5350
H103.32544.29172.09365.54051.08616.80503.96264.19311.84647.53507.3053
H114.29173.32545.54052.09366.80501.08614.19313.96267.30537.53501.8464
H124.29173.32545.54052.09366.80501.08614.19313.96267.53507.30531.8464

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 123.460 C1 C2 H8 116.758
C1 C3 C5 179.772 C2 C1 C3 123.460
C2 C1 H7 116.758 C2 C4 C6 179.772
C3 C1 H7 119.782 C3 C5 H9 121.787
C3 C5 H10 121.787 C4 C2 H8 119.782
C4 C6 H11 121.787 C4 C6 H12 121.787
H9 C5 H10 116.427 H11 C6 H12 116.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability