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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-231.393358
Energy at 298.15K-231.397018
HF Energy-230.611282
Nuclear repulsion energy173.234555
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/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 3309 3152 0.00      
2 Ag 3209 3056 0.00      
3 Ag 3196 3044 0.00      
4 Ag 2218 2113 0.00      
5 Ag 1646 1568 0.00      
6 Ag 1431 1363 0.00      
7 Ag 1313 1251 0.00      
8 Ag 1077 1026 0.00      
9 Ag 718 684 0.00      
10 Ag 501 477 0.00      
11 Ag 201 192 0.00      
12 Au 1004 957 44.46      
13 Au 921 877 56.66      
14 Au 671 640 9.26      
15 Au 176 167 5.46      
16 Au 42 40 0.08      
17 Bg 1001 953 0.00      
18 Bg 922 878 0.00      
19 Bg 658 627 0.00      
20 Bg 310 296 0.00      
21 Bu 3309 3152 11.00      
22 Bu 3209 3056 20.53      
23 Bu 3196 3044 3.40      
24 Bu 1677 1597 30.72      
25 Bu 1455 1386 5.66      
26 Bu 1311 1249 6.00      
27 Bu 1224 1165 13.24      
28 Bu 1015 967 0.34      
29 Bu 520 496 7.44      
30 Bu 105 100 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 20772.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 19785.3 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/cc-pVDZ
ABC
0.84276 0.04466 0.04241

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 0.000
C2 0.000 -0.621 0.000
C3 0.000 2.053 0.000
C4 0.000 -2.053 0.000
C5 1.130 2.802 0.000
C6 -1.130 -2.802 0.000
H7 -0.979 2.549 0.000
H8 0.979 -2.549 0.000
H9 2.119 2.335 0.000
H10 1.072 3.895 0.000
H11 -2.119 -2.335 0.000
H12 -1.072 -3.895 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.24101.43252.67352.45693.60442.16263.31722.72563.44513.63644.6406
C21.24102.67351.43253.60442.45693.31722.16263.63644.64062.72563.4451
C31.43252.67354.10601.35584.98491.09724.70502.13782.13094.87256.0434
C42.67351.43254.10604.98491.35584.70501.09724.87256.04342.13782.1309
C52.45693.60441.35584.98496.04292.12375.35341.09421.09396.07817.0495
C63.60442.45694.98491.35586.04295.35342.12376.07817.04951.09421.0939
H72.16263.31721.09724.70502.12375.35345.46093.10522.45275.01506.4443
H83.31722.16264.70501.09725.35342.12375.46095.01506.44433.10522.4527
H92.72563.63642.13784.87251.09426.07813.10525.01501.87896.30586.9990
H103.44514.64062.13096.04341.09397.04952.45276.44431.87896.99908.0789
H113.63642.72564.87252.13786.07811.09425.01503.10526.30586.99901.8789
H124.64063.44516.04342.13097.04951.09396.44432.45276.99908.07891.8789

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 123.546
C1 C3 H7 116.881 C2 C1 C3 180.000
C2 C4 C6 123.546 C2 C4 H8 116.881
C3 C5 H9 121.150 C3 C5 H10 120.514
C4 C6 H11 121.150 C4 C6 H12 120.514
C5 C3 H7 119.573 C6 C4 H8 119.573
H9 C5 H10 118.336 H11 C6 H12 118.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability