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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-231.046457
Energy at 298.15K 
HF Energy-230.510653
Nuclear repulsion energy172.528363
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 MP2/6-31G
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 3131 0.00      
2 Ag 3180 3043 0.00      
3 Ag 3167 3030 0.00      
4 Ag 2221 2125 0.00      
5 Ag 1649 1578 0.00      
6 Ag 1490 1426 0.00      
7 Ag 1367 1308 0.00      
8 Ag 1127 1078 0.00      
9 Ag 714 683 0.00      
10 Ag 516 494 0.00      
11 Ag 223 214 0.00      
12 Au 1017 973 53.12      
13 Au 921 881 90.14      
14 Au 679 649 5.62      
15 Au 149 143 5.38      
16 Au 26 25 0.02      
17 Bg 1014 970 0.00      
18 Bg 921 881 0.00      
19 Bg 625 598 0.00      
20 Bg 388i 371i 0.00      
21 Bu 3273 3131 35.73      
22 Bu 3180 3042 20.18      
23 Bu 3167 3030 20.38      
24 Bu 1671 1599 27.61      
25 Bu 1508 1443 4.13      
26 Bu 1369 1310 2.13      
27 Bu 1226 1173 19.82      
28 Bu 1035 990 0.25      
29 Bu 538 515 4.43      
30 Bu 106 102 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 20481.3 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 19596.5 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 MP2/6-31G
ABC
0.85706 0.04397 0.04182

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

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 2.064 0.000
C4 0.000 -2.064 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 2.398 0.000
H10 1.053 3.920 0.000
H11 -2.119 -2.398 0.000
H12 -1.053 -3.920 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.24081.44332.68412.48013.63072.16513.32002.76573.46303.68774.6605
C21.24082.68411.44333.63072.48013.32002.16513.68774.66052.76573.4630
C31.44332.68414.12741.35895.02331.09274.71852.14532.13364.93906.0752
C42.68411.44334.12745.02331.35894.71851.09274.93906.07522.14532.1336
C52.48013.63071.35895.02336.09302.11615.38751.08981.08866.15257.0937
C63.63072.48015.02331.35896.09305.38752.11616.15257.09371.08981.0886
H72.16513.32001.09274.71852.11615.38755.46633.10032.44735.08016.4725
H83.32002.16514.71851.09275.38752.11615.46635.08016.47253.10032.4473
H92.76573.68772.14534.93901.08986.15253.10035.08011.85856.39987.0688
H103.46304.66052.13366.07521.08867.09372.44736.47251.85857.06888.1170
H113.68772.76574.93902.14536.15251.08985.08013.10036.39987.06881.8585
H124.66053.46306.07522.13367.09371.08866.47252.44737.06888.11701.8585

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 124.486
C1 C3 H7 116.571 C2 C1 C3 180.000
C2 C4 C6 124.486 C2 C4 H8 116.571
C3 C5 H9 121.960 C3 C5 H10 120.928
C4 C6 H11 121.960 C4 C6 H12 120.928
C5 C3 H7 118.943 C6 C4 H8 118.943
H9 C5 H10 117.112 H11 C6 H12 117.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability