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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-231.423886
Energy at 298.15K-231.427582
HF Energy-230.604651
Nuclear repulsion energy174.809705
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3357 3137 0.00      
2 Ag 3254 3040 0.00      
3 Ag 3242 3030 0.00      
4 Ag 2257 2109 0.00      
5 Ag 1683 1573 0.00      
6 Ag 1479 1382 0.00      
7 Ag 1353 1264 0.00      
8 Ag 1109 1037 0.00      
9 Ag 733 685 0.00      
10 Ag 524 490 0.00      
11 Ag 221 207 0.00      
12 Au 1023 956 43.68      
13 Au 923 863 64.57      
14 Au 677 633 6.57      
15 Au 182 170 4.66      
16 Au 41 38 0.05      
17 Bg 1020 953 0.00      
18 Bg 924 864 0.00      
19 Bg 652 609 0.00      
20 Bg 276 258 0.00      
21 Bu 3357 3137 16.47      
22 Bu 3253 3040 13.10      
23 Bu 3242 3030 17.26      
24 Bu 1710 1597 26.55      
25 Bu 1502 1403 5.66      
26 Bu 1350 1262 5.62      
27 Bu 1247 1165 15.56      
28 Bu 1038 970 0.14      
29 Bu 532 497 7.19      
30 Bu 111 103 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 21135.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 19749.0 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
0.85991 0.04542 0.04314

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 2.036 0.000
C4 0.000 -2.036 0.000
C5 1.120 2.779 0.000
C6 -1.120 -2.779 0.000
H7 -0.966 2.528 0.000
H8 0.966 -2.528 0.000
H9 2.098 2.322 0.000
H10 1.068 3.857 0.000
H11 -2.098 -2.322 0.000
H12 -1.068 -3.857 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22791.42212.65002.43773.57312.14373.28692.70533.41433.60844.5967
C21.22792.65001.42213.57312.43773.28692.14373.60844.59672.70533.4143
C31.42212.65004.07211.34414.94371.08364.66502.11752.11094.83665.9890
C42.65001.42214.07214.94371.34414.66501.08364.83665.98902.11752.1109
C52.43773.57311.34414.94375.99262.10075.30921.07961.07926.03126.9874
C63.57312.43774.94371.34415.99265.30922.10076.03126.98741.07961.0792
H72.14373.28691.08364.66502.10075.30925.41213.07062.42924.98016.3857
H83.28692.14374.66501.08365.30922.10075.41214.98016.38573.07062.4292
H92.70533.60842.11754.83661.07966.03123.07064.98011.84896.25866.9426
H103.41434.59672.11095.98901.07926.98742.42926.38571.84896.94268.0041
H113.60842.70534.83662.11756.03121.07964.98013.07066.25866.94261.8489
H124.59673.41435.98902.11096.98741.07926.38572.42926.94268.00411.8489

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 123.555
C1 C3 H7 116.995 C2 C1 C3 180.000
C2 C4 C6 123.555 C2 C4 H8 116.995
C3 C5 H9 121.385 C3 C5 H10 120.779
C4 C6 H11 121.385 C4 C6 H12 120.779
C5 C3 H7 119.451 C6 C4 H8 119.451
H9 C5 H10 117.835 H11 C6 H12 117.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability