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

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-231.454702
Energy at 298.15K-231.458276
HF Energy-230.615037
Nuclear repulsion energy174.205743
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 QCISD/6-31+G**
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 3321 3140 0.00      
2 Ag 3234 3058 0.00      
3 Ag 3221 3046 0.00      
4 Ag 2323 2196 0.00      
5 Ag 1691 1599 0.00      
6 Ag 1476 1395 0.00      
7 Ag 1351 1277 0.00      
8 Ag 1109 1049 0.00      
9 Ag 725 685 0.00      
10 Ag 523 495 0.00      
11 Ag 223 211 0.00      
12 Au 1003 949 55.28      
13 Au 931 880 78.86      
14 Au 666 629 11.06      
15 Au 164 155 7.78      
16 Au 26 25 0.06      
17 Bg 1001 946 0.00      
18 Bg 932 881 0.00      
19 Bg 644 609 0.00      
20 Bg 236 223 0.00      
21 Bu 3321 3140 21.24      
22 Bu 3234 3057 22.65      
23 Bu 3221 3046 7.54      
24 Bu 1714 1620 33.10      
25 Bu 1494 1413 5.69      
26 Bu 1348 1275 4.68      
27 Bu 1226 1159 18.69      
28 Bu 1031 974 0.07      
29 Bu 530 502 8.75      
30 Bu 110 104 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 21013.9 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 19866.5 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 QCISD/6-31+G**
ABC
0.85628 0.04503 0.04278

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.610 0.000
C2 0.000 -0.610 0.000
C3 0.000 2.047 0.000
C4 0.000 -2.047 0.000
C5 1.122 2.791 0.000
C6 -1.122 -2.791 0.000
H7 -0.970 2.532 0.000
H8 0.970 -2.532 0.000
H9 2.104 2.338 0.000
H10 1.067 3.872 0.000
H11 -2.104 -2.338 0.000
H12 -1.067 -3.872 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22061.43702.65762.45273.58202.15283.28882.72283.43153.62244.6072
C21.22062.65761.43703.58202.45273.28882.15283.62244.60722.72283.4315
C31.43702.65764.09461.34624.96711.08464.68102.12432.11354.86426.0143
C42.65761.43704.09464.96711.34624.68101.08464.86426.01432.12432.1135
C52.45273.58201.34624.96716.01692.10815.32571.08201.08166.05987.0134
C63.58202.45274.96711.34626.01695.32572.10816.05987.01341.08201.0816
H72.15283.28881.08464.68102.10815.32575.42333.08062.43825.00066.4045
H83.28882.15284.68101.08465.32572.10815.42335.00066.40453.08062.4382
H92.72283.62242.12434.86421.08206.05983.08065.00061.85136.29136.9727
H103.43154.60722.11356.01431.08167.01342.43826.40451.85136.97278.0320
H113.62242.72284.86422.12436.05981.08205.00063.08066.29136.97271.8513
H124.60723.43156.01432.11357.01341.08166.40452.43826.97278.03201.8513

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 123.560
C1 C3 H7 116.551 C2 C1 C3 180.000
C2 C4 C6 123.560 C2 C4 H8 116.551
C3 C5 H9 121.673 C3 C5 H10 120.657
C4 C6 H11 121.673 C4 C6 H12 120.657
C5 C3 H7 119.889 C6 C4 H8 119.889
H9 C5 H10 117.670 H11 C6 H12 117.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability