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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-231.408282
Energy at 298.15K-231.411970
HF Energy-230.611669
Nuclear repulsion energy173.384708
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=FULL/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 3315 3151 0.00      
2 Ag 3214 3055 0.00      
3 Ag 3202 3043 0.00      
4 Ag 2223 2112 0.00      
5 Ag 1649 1567 0.00      
6 Ag 1433 1362 0.00      
7 Ag 1315 1249 0.00      
8 Ag 1078 1024 0.00      
9 Ag 720 684 0.00      
10 Ag 504 479 0.00      
11 Ag 202 192 0.00      
12 Au 1007 957 44.19      
13 Au 924 878 56.98      
14 Au 674 640 9.31      
15 Au 177 168 5.46      
16 Au 43 40 0.08      
17 Bg 1003 953 0.00      
18 Bg 924 878 0.00      
19 Bg 663 630 0.00      
20 Bg 321 305 0.00      
21 Bu 3315 3151 10.74      
22 Bu 3214 3055 20.16      
23 Bu 3202 3043 3.45      
24 Bu 1680 1597 30.59      
25 Bu 1457 1385 5.61      
26 Bu 1312 1247 5.95      
27 Bu 1225 1165 13.04      
28 Bu 1016 966 0.38      
29 Bu 521 495 7.43      
30 Bu 105 100 1.97      

Unscaled Zero Point Vibrational Energy (zpe) 20817.5 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 19784.9 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=FULL/cc-pVDZ
ABC
0.84448 0.04474 0.04249

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.620 0.000
C2 0.000 -0.620 0.000
C3 0.000 2.051 0.000
C4 0.000 -2.051 0.000
C5 1.129 2.800 0.000
C6 -1.129 -2.800 0.000
H7 -0.978 2.546 0.000
H8 0.978 -2.546 0.000
H9 2.117 2.333 0.000
H10 1.071 3.891 0.000
H11 -2.117 -2.333 0.000
H12 -1.071 -3.891 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.24001.43092.67092.45503.60152.16043.31402.72383.44233.63394.6368
C21.24002.67091.43093.60152.45503.31402.16043.63394.63682.72383.4423
C31.43092.67094.10181.35484.98061.09624.70022.13622.12944.86886.0381
C42.67091.43094.10184.98061.35484.70021.09624.86886.03812.13622.1294
C52.45503.60151.35484.98066.03812.12195.34861.09321.09306.07377.0438
C63.60152.45504.98061.35486.03815.34862.12196.07377.04381.09321.0930
H72.16043.31401.09624.70022.12195.34865.45553.10262.45065.01116.4386
H83.31402.16044.70021.09625.34862.12195.45555.01116.43863.10262.4506
H92.72383.63392.13624.86881.09326.07373.10265.01111.87716.30176.9937
H103.44234.63682.12946.03811.09307.04382.45066.43861.87716.99378.0722
H113.63392.72384.86882.13626.07371.09325.01113.10266.30176.99371.8771
H124.63683.44236.03812.12947.04381.09306.43862.45066.99378.07221.8771

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 123.570
C1 C3 H7 116.876 C2 C1 C3 180.000
C2 C4 C6 123.570 C2 C4 H8 116.876
C3 C5 H9 121.157 C3 C5 H10 120.520
C4 C6 H11 121.157 C4 C6 H12 120.520
C5 C3 H7 119.555 C6 C4 H8 119.555
H9 C5 H10 118.323 H11 C6 H12 118.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability