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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-231.039151
Energy at 298.15K-231.042664
HF Energy-230.524395
Nuclear repulsion energy171.185121
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/LANL2DZ
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 3267 3147 0.00      
2 Ag 3164 3047 0.00      
3 Ag 3146 3030 0.00      
4 Ag 2192 2111 0.00      
5 Ag 1611 1552 0.00      
6 Ag 1459 1405 0.00      
7 Ag 1333 1284 0.00      
8 Ag 1094 1054 0.00      
9 Ag 695 670 0.00      
10 Ag 491 473 0.00      
11 Ag 196 189 0.00      
12 Au 989 952 85.49      
13 Au 873 841 93.40      
14 Au 675 650 13.77      
15 Au 164 158 9.20      
16 Au 13 13 0.00      
17 Bg 989 952 0.00      
18 Bg 870 838 0.00      
19 Bg 674 649 0.00      
20 Bg 318 306 0.00      
21 Bu 3267 3147 48.01      
22 Bu 3163 3047 36.63      
23 Bu 3147 3030 17.63      
24 Bu 1635 1575 45.21      
25 Bu 1483 1428 6.44      
26 Bu 1336 1287 0.70      
27 Bu 1204 1159 21.92      
28 Bu 1014 977 0.60      
29 Bu 526 507 4.51      
30 Bu 103 100 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 20545.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 19787.7 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 MP2/LANL2DZ
ABC
0.84099 0.04330 0.04118

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.626 0.000
C2 0.000 -0.626 0.000
C3 0.000 2.079 0.000
C4 0.000 -2.079 0.000
C5 1.135 2.855 0.000
C6 -1.135 -2.855 0.000
H7 -0.981 2.570 0.000
H8 0.981 -2.570 0.000
H9 2.134 2.410 0.000
H10 1.064 3.946 0.000
H11 -2.134 -2.410 0.000
H12 -1.064 -3.946 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.25181.45292.70472.50103.66092.17743.34292.78143.48633.71074.6939
C21.25182.70471.45293.66092.50103.34292.17743.71074.69392.78143.4863
C31.45292.70474.15761.37465.06231.09714.75102.15942.14914.97016.1178
C42.70471.45294.15765.06231.37464.75101.09714.97016.11782.15942.1491
C52.50103.66091.37465.06236.14392.13505.42671.09361.09336.19687.1472
C63.66092.50105.06231.37466.14395.42672.13506.19687.14721.09361.0933
H72.17743.34291.09714.75102.13505.42675.50143.11912.46535.11146.5160
H83.34292.17744.75101.09715.42672.13505.50145.11146.51603.11912.4653
H92.78143.71072.15944.97011.09366.19683.11915.11141.87146.43777.1150
H103.48634.69392.14916.11781.09337.14722.46536.51601.87147.11508.1736
H113.71072.78144.97012.15946.19681.09365.11143.11916.43777.11501.8714
H124.69393.48636.11782.14917.14721.09336.51602.46537.11508.17361.8714

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 124.364
C1 C3 H7 116.585 C2 C1 C3 180.000
C2 C4 C6 124.364 C2 C4 H8 116.585
C3 C5 H9 121.639 C3 C5 H10 120.679
C4 C6 H11 121.639 C4 C6 H12 120.679
C5 C3 H7 119.051 C6 C4 H8 119.051
H9 C5 H10 117.682 H11 C6 H12 117.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability