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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-231.485826
Energy at 298.15K 
HF Energy-230.669675
Nuclear repulsion energy175.093468
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/TZVP
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 3306 3133 0.00      
2 Ag 3208 3041 0.00      
3 Ag 3199 3033 0.00      
4 Ag 2239 2122 0.00      
5 Ag 1649 1563 0.00      
6 Ag 1459 1383 0.00      
7 Ag 1338 1268 0.00      
8 Ag 1097 1039 0.00      
9 Ag 722 684 0.00      
10 Ag 501 475 0.00      
11 Ag 197 186 0.00      
12 Au 988 937 58.29      
13 Au 852 808 70.00      
14 Au 612 580 11.02      
15 Au 135 128 7.06      
16 Au 11 11 0.00      
17 Bg 987 935 0.00      
18 Bg 853 808 0.00      
19 Bg 564 535 0.00      
20 Bg 442i 419i 0.00      
21 Bu 3306 3133 13.13      
22 Bu 3208 3041 17.98      
23 Bu 3199 3033 7.09      
24 Bu 1675 1588 38.60      
25 Bu 1480 1403 5.13      
26 Bu 1335 1266 3.69      
27 Bu 1230 1166 15.23      
28 Bu 1026 972 0.12      
29 Bu 532 505 7.76      
30 Bu 106 100 2.41      

Unscaled Zero Point Vibrational Energy (zpe) 20285.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 19228.2 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 MP2/TZVP
ABC
0.85922 0.04564 0.04333

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.611 0.000
C2 0.000 -0.611 0.000
C3 0.000 2.032 0.000
C4 0.000 -2.032 0.000
C5 1.120 2.771 0.000
C6 -1.120 -2.771 0.000
H7 -0.967 2.524 0.000
H8 0.967 -2.524 0.000
H9 2.098 2.310 0.000
H10 1.068 3.851 0.000
H11 -2.098 -2.310 0.000
H12 -1.068 -3.851 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22251.42052.64302.43303.56312.14363.28142.70003.41133.59714.5883
C21.22252.64301.42053.56312.43303.28142.14363.59714.58832.70003.4113
C31.42052.64304.06361.34194.93191.08524.65772.11682.10954.82265.9790
C42.64301.42054.06364.93191.34194.65771.08524.82265.97902.11682.1095
C52.43303.56311.34194.93195.97792.10125.29801.08171.08116.01496.9743
C63.56312.43304.93191.34195.97795.29802.10126.01496.97431.08171.0811
H72.14363.28141.08524.65772.10125.29805.40663.07272.42884.96546.3764
H83.28142.14364.65771.08525.29802.10125.40664.96546.37643.07272.4288
H92.70003.59712.11684.82261.08176.01493.07274.96541.85386.24206.9273
H103.41134.58832.10955.97901.08116.97432.42886.37641.85386.92737.9928
H113.59712.70004.82262.11686.01491.08174.96543.07276.24206.92731.8538
H124.58833.41135.97902.10956.97431.08116.37642.42886.92737.99281.8538

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 123.441
C1 C3 H7 117.002 C2 C1 C3 180.000
C2 C4 C6 123.441 C2 C4 H8 117.002
C3 C5 H9 121.337 C3 C5 H10 120.675
C4 C6 H11 121.337 C4 C6 H12 120.675
C5 C3 H7 119.557 C6 C4 H8 119.557
H9 C5 H10 117.988 H11 C6 H12 117.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability