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

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

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(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-231.529056
Energy at 298.15K-231.532239
HF Energy-230.618308
Nuclear repulsion energy172.682097
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(T)=FULL/aug-cc-pVDZ
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 3254 3157        
2 Ag 3170 3075        
3 Ag 3150 3056        
4 Ag 2239 2172        
5 Ag 1623 1574        
6 Ag 1420 1378        
7 Ag 1301 1262        
8 Ag 1057 1025        
9 Ag 695 674        
10 Ag 421 408        
11 Ag 115 111        
12 Au 971 942        
13 Au 912 885        
14 Au 653 633        
15 Au 158 154        
16 Au 39 37        
17 Bg 968 939        
18 Bg 913 886        
19 Bg 641 622        
20 Bg 181 175        
21 Bu 3254 3157        
22 Bu 3170 3075        
23 Bu 3150 3056        
24 Bu 1649 1600        
25 Bu 1442 1399        
26 Bu 1298 1259        
27 Bu 1195 1159        
28 Bu 998 968        
29 Bu 504 489        
30 Bu 102 99        

Unscaled Zero Point Vibrational Energy (zpe) 20320.1 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 19712.5 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(T)=FULL/aug-cc-pVDZ
ABC
0.83922 0.04432 0.04210

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.619 0.000
C2 0.000 -0.619 0.000
C3 0.000 2.061 0.000
C4 0.000 -2.061 0.000
C5 1.133 2.814 0.000
C6 -1.133 -2.814 0.000
H7 -0.981 2.552 0.000
H8 0.981 -2.552 0.000
H9 2.126 2.351 0.000
H10 1.074 3.907 0.000
H11 -2.126 -2.351 0.000
H12 -1.074 -3.907 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23721.44232.67962.47083.61502.16773.31852.74193.45953.65174.6514
C21.23722.67961.44233.61502.47083.31852.16773.65174.65142.74193.4595
C31.44232.67964.12191.36085.00511.09714.71572.14522.13604.89706.0639
C42.67961.44234.12195.00511.36084.71571.09714.89706.06392.14522.1360
C52.47083.61501.36085.00516.06752.13095.36781.09511.09456.10707.0744
C63.61502.47085.00511.36086.06755.36782.13096.10707.07441.09511.0945
H72.16773.31851.09714.71572.13095.36785.46743.11332.46245.03406.4592
H83.31852.16774.71571.09715.36782.13095.46745.03406.45923.11332.4624
H92.74193.65172.14524.89701.09516.10703.11335.03401.87806.33837.0284
H103.45954.65142.13606.06391.09457.07442.46246.45921.87807.02848.1041
H113.65172.74194.89702.14526.10701.09515.03403.11336.33837.02841.8780
H124.65143.45956.06392.13607.07441.09456.45922.46247.02848.10411.8780

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 123.606
C1 C3 H7 116.561 C2 C1 C3 180.000
C2 C4 C6 123.606 C2 C4 H8 116.561
C3 C5 H9 121.359 C3 C5 H10 120.520
C4 C6 H11 121.359 C4 C6 H12 120.520
C5 C3 H7 119.834 C6 C4 H8 119.834
H9 C5 H10 118.120 H11 C6 H12 118.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability