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All results from a given calculation for C6H8 (1,3-Cyclohexadiene)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-232.029994
Energy at 298.15K-232.038776
HF Energy-232.029994
Nuclear repulsion energy218.664674
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 M06-2X/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 A 3226 3056 10.86      
2 A 3184 3016 0.02      
3 A 3111 2947 16.38      
4 A 3048 2887 8.27      
5 A 1679 1590 1.05      
6 A 1532 1451 6.17      
7 A 1464 1387 1.93      
8 A 1378 1305 1.25      
9 A 1303 1234 5.49      
10 A 1217 1152 0.14      
11 A 1085 1028 1.00      
12 A 1070 1013 0.27      
13 A 1037 983 0.11      
14 A 960 910 0.67      
15 A 861 816 1.43      
16 A 805 763 1.90      
17 A 581 550 0.28      
18 A 535 506 0.27      
19 A 195 185 0.37      
20 B 3213 3043 18.86      
21 B 3182 3014 4.94      
22 B 3115 2951 11.53      
23 B 3056 2894 23.09      
24 B 1739 1648 1.18      
25 B 1525 1444 5.28      
26 B 1431 1355 4.42      
27 B 1399 1325 3.72      
28 B 1245 1179 2.02      
29 B 1239 1174 3.68      
30 B 1046 991 0.51      
31 B 1019 965 3.40      
32 B 935 886 5.39      
33 B 777 736 16.03      
34 B 704 667 85.29      
35 B 485 459 8.62      
36 B 293 277 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 27335.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 25892.0 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 M06-2X/3-21G*
ABC
0.16830 0.16828 0.08986

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.056 1.425 0.112
C2 0.056 0.736 1.254
C3 -0.056 -0.736 1.254
C4 0.056 -1.425 0.112
C5 0.336 -0.696 -1.193
C6 -0.336 0.696 -1.193
H7 -0.007 2.508 0.101
H8 0.215 1.240 2.201
H9 -0.215 -1.240 2.201
H10 0.007 -2.508 0.101
H11 -0.017 -1.282 -2.046
H12 1.425 -0.573 -1.299
H13 0.017 1.282 -2.046
H14 -1.425 0.573 -1.299

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33822.44452.85202.52081.52121.08462.11443.39003.93383.46282.85922.16472.1425
C21.33821.47722.44452.84932.47902.11531.08432.20863.44413.86993.17873.34582.9562
C32.44451.47721.33822.47902.84933.44412.20861.08432.11533.34582.95623.86993.1787
C42.85202.44451.33821.52122.52083.93383.39002.11441.08462.16472.14253.46282.8592
C52.52082.84932.47901.52121.54503.47233.90953.48162.25121.09401.10092.17782.1724
C61.52122.47902.84932.52081.54502.25123.48163.90953.47232.17782.17241.09401.1009
H71.08462.11533.44413.93383.47232.25122.46354.30215.01674.35663.67432.47262.7777
H82.11441.08432.20863.39003.90953.48162.46352.51784.30214.94584.12314.25253.9223
H93.39002.20861.08432.11443.48163.90954.30212.51782.46354.25253.92234.94584.1231
H103.93383.44412.11531.08462.25123.47235.01674.30212.46352.47262.77774.35663.6743
H113.46283.86993.34582.16471.09402.17784.35664.94584.25252.47261.77222.56502.4460
H122.85923.17872.95622.14251.10092.17243.67434.12313.92232.77771.77222.44603.0711
H132.16473.34583.86993.46282.17781.09402.47264.25254.94584.35662.56502.44601.7722
H142.14252.95623.17872.85922.17241.10092.77773.92234.12313.67432.44603.07111.7722

picture of 1,3-Cyclohexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 93.222 C1 C2 H8 121.225
C1 C3 C5 61.590 C1 C3 H9 144.978
C2 C1 C3 31.402 C2 C1 H7 121.279
C2 C4 C6 59.879 C2 C4 H10 152.649
C3 C1 H7 152.649 C3 C5 C6 86.905
C3 C5 H11 135.259 C3 C5 H12 104.661
C4 C2 H8 144.978 C4 C6 C5 34.395
C4 C6 H13 143.611 C4 C6 H14 96.290
C5 C3 H9 153.243 C5 C6 H13 110.053
C5 C6 H14 109.234 C6 C4 H10 145.859
C6 C5 H11 110.053 C6 C5 H12 109.234
H11 C5 H12 107.687 H13 C6 H14 107.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 C -0.217      
3 C -0.217      
4 C -0.186      
5 C -0.434      
6 C -0.434      
7 H 0.203      
8 H 0.203      
9 H 0.203      
10 H 0.203      
11 H 0.208      
12 H 0.221      
13 H 0.208      
14 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.410 0.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.750 0.221 0.000
y 0.221 -34.392 0.000
z 0.000 0.000 -34.173
Traceless
 xyz
x -5.467 0.221 0.000
y 0.221 2.570 0.000
z 0.000 0.000 2.898
Polar
3z2-r25.795
x2-y2-5.358
xy0.221
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.507 -0.137 0.000
y -0.137 9.342 0.000
z 0.000 0.000 9.531


<r2> (average value of r2) Å2
<r2> 141.991
(<r2>)1/2 11.916