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

using model chemistry: MP2=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-231.742733
Energy at 298.15K-231.746694
HF Energy-230.679153
Nuclear repulsion energy175.740742
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/aug-cc-pVTZ
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 3282 3122 0.00      
2 Ag 3206 3050 0.00      
3 Ag 3190 3035 0.00      
4 Ag 2235 2127 0.00      
5 Ag 1652 1572 0.00      
6 Ag 1448 1377 0.00      
7 Ag 1325 1261 0.00      
8 Ag 1079 1027 0.00      
9 Ag 727 691 0.00      
10 Ag 526 501 0.00      
11 Ag 223 212 0.00      
12 Au 1081 1028 28.69      
13 Au 971 923 81.77      
14 Au 702 668 12.05      
15 Au 182 173 6.82      
16 Au 55 53 0.12      
17 Bg 1032 982 0.00      
18 Bg 965 918 0.00      
19 Bg 722 687 0.00      
20 Bg 412 392 0.00      
21 Bu 3282 3122 7.54      
22 Bu 3200 3044 14.38      
23 Bu 3188 3033 5.49      
24 Bu 1681 1599 41.10      
25 Bu 1471 1399 6.15      
26 Bu 1321 1257 3.20      
27 Bu 1230 1170 11.79      
28 Bu 1015 966 0.27      
29 Bu 523 498 9.83      
30 Bu 108 103 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 21014.3 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 19993.0 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/aug-cc-pVTZ
ABC
0.87371 0.04589 0.04360

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.610 0.000
C2 0.000 -0.610 0.000
C3 0.000 2.022 0.000
C4 0.000 -2.022 0.000
C5 1.110 2.768 0.000
C6 -1.110 -2.768 0.000
H7 -0.963 2.513 0.000
H8 0.963 -2.513 0.000
H9 2.086 2.310 0.000
H10 1.048 3.844 0.000
H11 -2.086 -2.310 0.000
H12 -1.048 -3.844 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22021.41162.63182.42703.55602.13213.26772.69123.39933.58884.5754
C21.22022.63181.41163.55602.42703.26772.13213.58884.57542.69123.3993
C31.41162.63184.04341.33804.91681.08054.63532.10612.10214.80805.9583
C42.63181.41164.04344.91681.33804.63531.08054.80805.95832.10612.1021
C52.42703.55601.33804.91685.96512.08875.28281.07801.07736.00056.9553
C63.55602.42704.91681.33805.96515.28282.08876.00056.95531.07801.0773
H72.13213.26771.08054.63532.08875.28285.38133.05552.41164.95186.3568
H83.26772.13214.63531.08055.28282.08875.38134.95186.35683.05552.4116
H92.69123.58882.10614.80801.07806.00053.05554.95181.85176.22546.9061
H103.39934.57542.10215.95831.07736.95532.41166.35681.85176.90617.9681
H113.58882.69124.80802.10616.00051.07804.95183.05556.22546.90611.8517
H124.57543.39935.95832.10216.95531.07736.35682.41166.90617.96811.8517

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 123.911
C1 C3 H7 117.020 C2 C1 C3 180.000
C2 C4 C6 123.911 C2 C4 H8 117.020
C3 C5 H9 120.944 C3 C5 H10 120.616
C4 C6 H11 120.944 C4 C6 H12 120.616
C5 C3 H7 119.069 C6 C4 H8 119.069
H9 C5 H10 118.440 H11 C6 H12 118.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability