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All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-231.469937
Energy at 298.15K-231.473638
HF Energy-230.638987
Nuclear repulsion energy174.164576
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 QCISD/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 3249 3111 0.00      
2 Ag 3169 3034 0.00      
3 Ag 3154 3020 0.00      
4 Ag 2313 2215 0.00      
5 Ag 1672 1601 0.00      
6 Ag 1452 1390 0.00      
7 Ag 1334 1278 0.00      
8 Ag 1101 1054 0.00      
9 Ag 718 687 0.00      
10 Ag 532 509 0.00      
11 Ag 225 215 0.00      
12 Au 994 952 53.93      
13 Au 919 880 79.18      
14 Au 670 641 10.74      
15 Au 178 171 7.45      
16 Au 32 30 0.07      
17 Bg 992 950 0.00      
18 Bg 919 880 0.00      
19 Bg 660 632 0.00      
20 Bg 309 296 0.00      
21 Bu 3249 3111 22.77      
22 Bu 3169 3034 23.73      
23 Bu 3154 3020 7.36      
24 Bu 1696 1624 24.09      
25 Bu 1469 1407 6.26      
26 Bu 1331 1275 5.76      
27 Bu 1216 1164 21.48      
28 Bu 1022 979 0.17      
29 Bu 531 509 7.17      
30 Bu 110 105 2.53      

Unscaled Zero Point Vibrational Energy (zpe) 20768.8 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 19884.1 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 QCISD/6-311G*
ABC
0.85476 0.04507 0.04281

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.608 0.000
C2 0.000 -0.608 0.000
C3 0.000 2.046 0.000
C4 0.000 -2.046 0.000
C5 1.121 2.790 0.000
C6 -1.121 -2.790 0.000
H7 -0.975 2.534 0.000
H8 0.975 -2.534 0.000
H9 2.108 2.335 0.000
H10 1.068 3.876 0.000
H11 -2.108 -2.335 0.000
H12 -1.068 -3.876 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21661.43802.65462.45303.57872.15843.29012.72513.43803.62054.6100
C21.21662.65461.43803.57872.45303.29012.15843.62054.61002.72513.4380
C31.43802.65464.09271.34514.96481.09034.68292.12792.11884.86226.0181
C42.65461.43804.09274.96481.34514.68291.09034.86226.01812.12792.1188
C52.45303.57871.34514.96486.01402.11145.32631.08741.08716.05777.0167
C63.57872.45304.96481.34516.01405.32632.11146.05777.01671.08741.0871
H72.15843.29011.09034.68292.11145.32635.43013.08972.44484.99916.4108
H83.29012.15844.68291.09035.32632.11145.43014.99916.41083.08972.4448
H92.72513.62052.12794.86221.08746.05773.08974.99911.85926.29196.9763
H103.43804.61002.11886.01811.08717.01672.44486.41081.85926.97638.0414
H113.62052.72514.86222.12796.05771.08744.99913.08976.29196.97631.8592
H124.61003.43806.01812.11887.01671.08716.41082.44486.97638.04141.8592

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 123.582
C1 C3 H7 116.564 C2 C1 C3 180.000
C2 C4 C6 123.582 C2 C4 H8 116.564
C3 C5 H9 121.667 C3 C5 H10 120.818
C4 C6 H11 121.667 C4 C6 H12 120.818
C5 C3 H7 119.854 C6 C4 H8 119.854
H9 C5 H10 117.516 H11 C6 H12 117.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability