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All results from a given calculation for C6H6 (2,4-Hexadiyne)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-231.397732
Energy at 298.15K 
HF Energy-230.590024
Nuclear repulsion energy169.616147
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 MP3=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 A1' 3105 2914 0.00      
2 A1' 2480 2327 0.00      
3 A1' 1475 1384 0.00      
4 A1' 1304 1224 0.00      
5 A1' 566 532 0.00      
6 A1" 14i 13i 0.00      
7 A2" 3105 2914 41.18      
8 A2" 2352 2207 2.61      
9 A2" 1468 1377 9.42      
10 A2" 978 918 0.04      
11 E' 3183 2987 15.99      
11 E' 3183 2987 15.99      
12 E' 1539 1444 14.84      
12 E' 1539 1444 14.84      
13 E' 1064 999 3.60      
13 E' 1064 999 3.60      
14 E' 269 252 3.59      
14 E' 269 252 3.59      
15 E' 108 101 6.56      
15 E' 108 101 6.56      
16 E" 3183 2987 0.00      
16 E" 3183 2987 0.00      
17 E" 1539 1444 0.00      
17 E" 1539 1444 0.00      
18 E" 1062 996 0.00      
18 E" 1062 996 0.00      
19 E" 442 415 0.00      
19 E" 442 415 0.00      
20 E" 75i 71i 0.00      
20 E" 75i 71i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20722.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 19444.2 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 MP3=FULL/6-31G*
ABC
2.66170 0.03679 0.03679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.693
C2 0.000 0.000 -0.693
C3 0.000 0.000 1.903
C4 0.000 0.000 -1.903
C5 0.000 0.000 3.368
C6 0.000 0.000 -3.368
H7 0.000 1.024 3.753
H8 -0.887 -0.512 3.753
H9 0.887 -0.512 3.753
H10 0.000 1.024 -3.753
H11 0.887 -0.512 -3.753
H12 -0.887 -0.512 -3.753

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.38641.21022.59662.67524.06163.22623.22623.22624.56214.56214.5621
C21.38642.59661.21024.06162.67524.56214.56214.56213.22623.22623.2262
C31.21022.59663.80681.46505.27182.11372.11372.11375.74795.74795.7479
C42.59661.21023.80685.27181.46505.74795.74795.74792.11372.11372.1137
C52.67524.06161.46505.27186.73681.09361.09361.09367.19427.19427.1942
C64.06162.67525.27181.46506.73687.19427.19427.19421.09361.09361.0936
H73.22624.56212.11375.74791.09367.19421.77351.77357.50517.71187.7118
H83.22624.56212.11375.74791.09367.19421.77351.77357.71187.71187.5051
H93.22624.56212.11375.74791.09367.19421.77351.77357.71187.50517.7118
H104.56213.22625.74792.11377.19421.09367.50517.71187.71181.77351.7735
H114.56213.22625.74792.11377.19421.09367.71187.71187.50511.77351.7735
H124.56213.22625.74792.11377.19421.09367.71187.50517.71181.77351.7735

picture of 2,4-Hexadiyne 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 180.000
C2 C1 C3 180.000 C2 C4 C6 180.000
C3 C5 H7 110.563 C3 C5 H8 110.563
C3 C5 H9 110.563 C4 C6 H10 110.563
C4 C6 H11 110.563 C4 C6 H12 110.563
H7 C5 H8 108.358 H7 C5 H9 108.358
H8 C5 H9 108.358 H10 C6 H11 108.358
H10 C6 H12 108.358 H11 C6 H12 108.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability