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

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-231.054573
Energy at 298.15K 
HF Energy-230.510758
Nuclear repulsion energy172.560003
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/6-31G
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 3273 3110 0.00      
2 Ag 3180 3022 0.00      
3 Ag 3167 3009 0.00      
4 Ag 2222 2111 0.00      
5 Ag 1650 1567 0.00      
6 Ag 1491 1416 0.00      
7 Ag 1368 1299 0.00      
8 Ag 1127 1071 0.00      
9 Ag 715 679 0.00      
10 Ag 519 493 0.00      
11 Ag 225 214 0.00      
12 Au 1017 967 52.92      
13 Au 921 875 90.33      
14 Au 679 645 5.58      
15 Au 151 144 5.39      
16 Au 26 25 0.02      
17 Bg 1015 964 0.00      
18 Bg 922 876 0.00      
19 Bg 626 595 0.00      
20 Bg 371i 353i 0.00      
21 Bu 3273 3110 35.57      
22 Bu 3180 3021 20.05      
23 Bu 3168 3009 20.33      
24 Bu 1671 1588 27.57      
25 Bu 1508 1433 4.09      
26 Bu 1369 1301 2.12      
27 Bu 1226 1165 19.78      
28 Bu 1035 984 0.25      
29 Bu 539 512 4.43      
30 Bu 107 101 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 20499.5 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 19476.6 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/6-31G
ABC
0.85739 0.04398 0.04184

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

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 2.063 0.000
C4 0.000 -2.063 0.000
C5 1.120 2.833 0.000
C6 -1.120 -2.833 0.000
H7 -0.977 2.552 0.000
H8 0.977 -2.552 0.000
H9 2.119 2.397 0.000
H10 1.052 3.919 0.000
H11 -2.119 -2.397 0.000
H12 -1.052 -3.919 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.24061.44292.68352.47963.63002.16473.31932.76543.46253.68724.6597
C21.24062.68351.44293.63002.47963.31932.16473.68724.65972.76543.4625
C31.44292.68354.12651.35875.02231.09264.71752.14502.13334.93826.0741
C42.68351.44294.12655.02231.35874.71751.09264.93826.07412.14502.1333
C52.47963.63001.35875.02236.09192.11585.38641.08971.08856.15157.0924
C63.63002.47965.02231.35876.09195.38642.11586.15157.09241.08971.0885
H72.16473.31931.09264.71752.11585.38645.46523.09992.44705.07926.4713
H83.31932.16474.71751.09265.38642.11585.46525.07926.47133.09992.4470
H92.76543.68722.14504.93821.08976.15153.09995.07921.85836.39897.0676
H103.46254.65972.13336.07411.08857.09242.44706.47131.85837.06768.1156
H113.68722.76544.93822.14506.15151.08975.07923.09996.39897.06761.8583
H124.65973.46256.07412.13337.09241.08856.47132.44707.06768.11561.8583

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 124.489
C1 C3 H7 116.569 C2 C1 C3 180.000
C2 C4 C6 124.489 C2 C4 H8 116.569
C3 C5 H9 121.964 C3 C5 H10 120.930
C4 C6 H11 121.964 C4 C6 H12 120.930
C5 C3 H7 118.942 C6 C4 H8 118.942
H9 C5 H10 117.107 H11 C6 H12 117.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability