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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-231.427003
Energy at 298.15K-231.430578
HF Energy-230.592073
Nuclear repulsion energy173.798710
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 MP4/6-31G*
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 3120        
2 Ag 3178 3034        
3 Ag 3164 3021        
4 Ag 2232 2131        
5 Ag 1653 1578        
6 Ag 1457 1391        
7 Ag 1338 1277        
8 Ag 1101 1051        
9 Ag 719 686        
10 Ag 512 489        
11 Ag 217 207        
12 Au 992 948        
13 Au 899 858        
14 Au 667 637        
15 Au 177 169        
16 Au 38 37        
17 Bg 990 945        
18 Bg 900 859        
19 Bg 645 616        
20 Bg 259 247        
21 Bu 3268 3120        
22 Bu 3178 3034        
23 Bu 3164 3021        
24 Bu 1677 1602        
25 Bu 1477 1410        
26 Bu 1335 1275        
27 Bu 1230 1174        
28 Bu 1023 977        
29 Bu 525 502        
30 Bu 110 105        

Unscaled Zero Point Vibrational Energy (zpe) 20696.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19760.7 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 MP4/6-31G*
ABC
0.85035 0.04491 0.04266

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

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 2.047 0.000
C4 0.000 -2.047 0.000
C5 1.125 2.795 0.000
C6 -1.125 -2.795 0.000
H7 -0.975 2.539 0.000
H8 0.975 -2.539 0.000
H9 2.114 2.341 0.000
H10 1.072 3.882 0.000
H11 -2.114 -2.341 0.000
H12 -1.072 -3.882 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23091.43132.66222.45303.59152.15713.30222.72913.43823.63474.6237
C21.23092.66221.43133.59152.45303.30222.15713.63474.62372.72913.4382
C31.43132.66224.09351.35124.97101.09264.68872.13472.12564.87066.0252
C42.66221.43134.09354.97101.35124.68871.09264.87066.02522.13472.1256
C52.45303.59151.35124.97106.02632.11575.33681.08871.08846.07247.0297
C63.59152.45304.97101.35126.02635.33682.11576.07247.02971.08871.0884
H72.15713.30221.09264.68872.11575.33685.44063.09602.44835.01166.4225
H83.30222.15714.68871.09265.33682.11575.44065.01166.42253.09602.4483
H92.72913.63472.13474.87061.08876.07243.09605.01161.86086.30896.9916
H103.43824.62372.12566.02521.08847.02972.44836.42251.86086.99168.0552
H113.63472.72914.87062.13476.07241.08875.01163.09606.30896.99161.8608
H124.62373.43826.02522.12567.02971.08846.42252.44836.99168.05521.8608

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 123.641
C1 C3 H7 116.803 C2 C1 C3 180.000
C2 C4 C6 123.641 C2 C4 H8 116.803
C3 C5 H9 121.697 C3 C5 H10 120.846
C4 C6 H11 121.697 C4 C6 H12 120.846
C5 C3 H7 119.556 C6 C4 H8 119.556
H9 C5 H10 117.457 H11 C6 H12 117.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability