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

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at G3
 hartrees
Energy at 0K-231.954243
Energy at 298.15K-231.946380
HF Energy-230.598172
Nuclear repulsion energy175.922883
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 HF/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 3433 3235 0.00      
2 Ag 3361 3166 0.00      
3 Ag 3344 3151 0.00      
4 Ag 2529 2383 0.00      
5 Ag 1836 1730 0.00      
6 Ag 1573 1482 0.00      
7 Ag 1443 1360 0.00      
8 Ag 1186 1117 0.00      
9 Ag 776 731 0.00      
10 Ag 592 558 0.00      
11 Ag 259 244 0.00      
12 Au 1124 1059 26.23      
13 Au 1089 1026 104.18      
14 Au 753 710 9.61      
15 Au 199 187 6.27      
16 Au 38 36 0.12      
17 Bg 1122 1057 0.00      
18 Bg 1088 1025 0.00      
19 Bg 791 746 0.00      
20 Bg 428 404 0.00      
21 Bu 3433 3235 29.37      
22 Bu 3360 3166 29.28      
23 Bu 3344 3151 13.35      
24 Bu 1857 1750 17.35      
25 Bu 1587 1496 5.14      
26 Bu 1439 1356 10.70      
27 Bu 1282 1208 27.18      
28 Bu 1088 1025 0.12      
29 Bu 568 535 10.37      
30 Bu 122 115 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 22522.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 21220.4 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
0.85666 0.04537 0.04309

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 0.614 0.000
C2 0.000 -0.614 0.000
C3 0.000 2.037 0.000
C4 0.000 -2.037 0.000
C5 1.121 2.780 0.000
C6 -1.121 -2.780 0.000
H7 -0.970 2.532 0.000
H8 0.970 -2.532 0.000
H9 2.105 2.324 0.000
H10 1.070 3.863 0.000
H11 -2.105 -2.324 0.000
H12 -1.070 -3.863 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22801.42252.65052.43873.57422.14883.29172.71173.42073.61394.6032
C21.22802.65051.42253.57422.43873.29172.14883.61394.60322.71173.4207
C31.42252.65054.07301.34484.94511.08884.66992.12432.11684.84165.9958
C42.65051.42254.07304.94511.34484.66991.08884.84165.99582.12432.1168
C52.43873.57421.34484.94515.99472.10525.31361.08481.08446.03746.9949
C63.57422.43874.94511.34485.99475.31362.10526.03746.99491.08481.0844
H72.14883.29171.08884.66992.10525.31365.42193.08172.43574.98616.3955
H83.29172.14884.66991.08885.31362.10525.42194.98616.39553.08172.4357
H92.71173.61392.12434.84161.08486.03743.08174.98611.85526.27056.9537
H103.42074.60322.11685.99581.08446.99492.43576.39551.85526.95378.0170
H113.61392.71174.84162.12436.03741.08484.98613.08176.27056.95371.8552
H124.60323.42075.99582.11686.99491.08446.39552.43576.95378.01701.8552

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 172.905 C1 C3 C5 123.949
C1 C3 H7 116.023 C2 C1 C3 172.905
C2 C4 C6 123.949 C2 C4 H8 116.023
C3 C5 H9 121.832 C3 C5 H10 120.906
C4 C6 H11 121.832 C4 C6 H12 120.906
C5 C3 H7 120.028 C6 C4 H8 120.028
H9 C5 H10 117.262 H11 C6 H12 117.262
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability