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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-229.788578
Energy at 298.15K-229.792603
HF Energy-229.316009
Nuclear repulsion energy174.955289
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 CID/3-21G*
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 3322 3091 0.00      
2 Ag 3247 3021 0.00      
3 Ag 3233 3008 0.00      
4 Ag 2424 2255 0.00      
5 Ag 1740 1619 0.00      
6 Ag 1548 1440 0.00      
7 Ag 1416 1317 0.00      
8 Ag 1178 1096 0.00      
9 Ag 746 695 0.00      
10 Ag 592 551 0.00      
11 Ag 257 240 0.00      
12 Au 1069 994 33.83      
13 Au 1021 950 117.13      
14 Au 717 667 9.92      
15 Au 182 169 7.21      
16 Au 31 29 0.11      
17 Bg 1066 992 0.00      
18 Bg 1020 950 0.00      
19 Bg 727 677 0.00      
20 Bg 348 323 0.00      
21 Bu 3322 3091 22.28      
22 Bu 3245 3020 14.82      
23 Bu 3233 3008 7.62      
24 Bu 1755 1633 15.46      
25 Bu 1557 1449 3.89      
26 Bu 1414 1316 3.84      
27 Bu 1242 1156 27.40      
28 Bu 1062 988 0.63      
29 Bu 568 529 4.99      
30 Bu 115 107 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 21697.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 20189.9 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 CID/3-21G*
ABC
0.86805 0.04537 0.04312

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.603 0.000
C2 0.000 -0.603 0.000
C3 0.000 2.042 0.000
C4 0.000 -2.042 0.000
C5 1.110 2.782 0.000
C6 -1.110 -2.782 0.000
H7 -0.973 2.520 0.000
H8 0.973 -2.520 0.000
H9 2.095 2.337 0.000
H10 1.061 3.862 0.000
H11 -2.095 -2.337 0.000
H12 -1.061 -3.862 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20661.43842.64502.44513.56262.14913.27092.71953.42713.61054.5896
C21.20662.64501.43843.56262.44513.27092.14913.61054.58962.71953.4271
C31.43842.64504.08341.33404.94981.08374.66402.11582.10714.85425.9983
C42.64501.43844.08344.94981.33404.66401.08374.85425.99832.11582.1071
C52.44513.56261.33404.94985.99052.09875.30361.08121.08096.03966.9897
C63.56262.44514.94981.33405.99055.30362.09876.03966.98971.08121.0809
H72.14913.27091.08374.66402.09875.30365.40183.07312.43694.98496.3823
H83.27092.14914.66401.08375.30362.09875.40184.98496.38233.07312.4369
H92.71953.61052.11584.85421.08126.03963.07314.98491.84216.27756.9564
H103.42714.58962.10715.99831.08096.98972.43696.38231.84216.95648.0102
H113.61052.71954.85422.11586.03961.08124.98493.07316.27756.95641.8421
H124.58963.42715.99832.10716.98971.08096.38232.43696.95648.01021.8421

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 123.711
C1 C3 H7 116.176 C2 C1 C3 180.000
C2 C4 C6 123.711 C2 C4 H8 116.176
C3 C5 H9 121.988 C3 C5 H10 121.151
C4 C6 H11 121.988 C4 C6 H12 121.151
C5 C3 H7 120.113 C6 C4 H8 120.113
H9 C5 H10 116.861 H11 C6 H12 116.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability