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

using model chemistry: MP4=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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-231.456067
Energy at 298.15K-231.459707
HF Energy-230.592496
Nuclear repulsion energy173.973083
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 MP4=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 3268 3143        
2 Ag 3179 3057        
3 Ag 3164 3043        
4 Ag 2237 2152        
5 Ag 1655 1591        
6 Ag 1459 1403        
7 Ag 1339 1288        
8 Ag 1103 1060        
9 Ag 721 693        
10 Ag 517 497        
11 Ag 220 212        
12 Au 995 957        
13 Au 903 868        
14 Au 670 644        
15 Au 180 173        
16 Au 39 38        
17 Bg 992 954        
18 Bg 904 869        
19 Bg 653 627        
20 Bg 289 278        
21 Bu 3268 3143        
22 Bu 3179 3056        
23 Bu 3164 3043        
24 Bu 1680 1616        
25 Bu 1479 1422        
26 Bu 1337 1286        
27 Bu 1231 1184        
28 Bu 1025 985        
29 Bu 527 507        
30 Bu 110 106        

Unscaled Zero Point Vibrational Energy (zpe) 20743.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 19947.0 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 MP4=FULL/6-31G*
ABC
0.85197 0.04501 0.04275

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.615 0.000
C2 0.000 -0.615 0.000
C3 0.000 2.044 0.000
C4 0.000 -2.044 0.000
C5 1.124 2.792 0.000
C6 -1.124 -2.792 0.000
H7 -0.975 2.537 0.000
H8 0.975 -2.537 0.000
H9 2.113 2.338 0.000
H10 1.071 3.879 0.000
H11 -2.113 -2.338 0.000
H12 -1.071 -3.879 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22941.42952.65892.45043.58752.15523.29892.72693.43553.63124.6196
C21.22942.65891.42953.58752.45043.29892.15523.63124.61962.72693.4355
C31.42952.65894.08841.34984.96531.09244.68362.13332.12444.86546.0193
C42.65891.42954.08844.96531.34984.68361.09244.86546.01932.13332.1244
C52.45043.58751.34984.96536.01972.11415.33111.08851.08816.06637.0230
C63.58752.45044.96531.34986.01975.33112.11416.06637.02301.08851.0881
H72.15523.29891.09244.68362.11415.33115.43543.09442.44685.00636.4166
H83.29892.15524.68361.09245.33112.11415.43545.00636.41663.09442.4468
H92.72693.63122.13334.86541.08856.06633.09445.00631.86006.30336.9852
H103.43554.61962.12446.01931.08817.02302.44686.41661.86006.98528.0483
H113.63122.72694.86542.13336.06631.08855.00633.09446.30336.98521.8600
H124.61963.43556.01932.12447.02301.08816.41662.44686.98528.04831.8600

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 123.657
C1 C3 H7 116.800 C2 C1 C3 180.000
C2 C4 C6 123.657 C2 C4 H8 116.800
C3 C5 H9 121.702 C3 C5 H10 120.873
C4 C6 H11 121.702 C4 C6 H12 120.873
C5 C3 H7 119.542 C6 C4 H8 119.542
H9 C5 H10 117.425 H11 C6 H12 117.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability