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All results from a given calculation for C6H8 (1,4-Cyclohexadiene)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-232.746034
Energy at 298.15K-232.754536
HF Energy-231.852558
Nuclear repulsion energy217.938153
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 MP3=FULL/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 3268 3045 0.00      
2 Ag 3096 2884 0.00      
3 Ag 1801 1678 0.00      
4 Ag 1536 1430 0.00      
5 Ag 1260 1174 0.00      
6 Ag 881 821 0.00      
7 Ag 549 512 0.00      
8 Au 1231 1146 0.00      
9 Au 997 929 0.00      
10 Au 367 342 0.00      
11 B1g 3244 3022 0.00      
12 B1g 1460 1360 0.00      
13 B1g 1409 1313 0.00      
14 B1g 1079 1005 0.00      
15 B1g 584 544 0.00      
16 B1u 3121 2908 35.95      
17 B1u 1027 957 37.91      
18 B1u 643 599 75.16      
19 B1u 79 74 1.29      
20 B2g 3122 2908 0.00      
21 B2g 1007 938 0.00      
22 B2g 977 910 0.00      
23 B2g 309 288 0.00      
24 B2u 3266 3042 75.88      
25 B2u 1756 1636 9.24      
26 B2u 1439 1340 0.00      
27 B2u 1212 1129 0.13      
28 B2u 975 909 0.24      
29 B3g 1242 1157 0.00      
30 B3g 733 682 0.00      
31 B3u 3244 3022 17.17      
32 B3u 3097 2885 76.61      
33 B3u 1537 1432 5.14      
34 B3u 1483 1381 0.11      
35 B3u 986 918 0.98      
36 B3u 923 860 8.18      

Unscaled Zero Point Vibrational Energy (zpe) 27468.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 25589.3 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 MP3=FULL/6-31+G**
ABC
0.17215 0.16311 0.08637

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.504 0.000 0.000
C2 -1.504 0.000 0.000
C3 -0.669 1.253 0.000
C4 0.669 1.253 0.000
C5 -0.669 -1.253 0.000
C6 0.669 -1.253 0.000
H7 1.205 -2.194 0.000
H8 -1.205 -2.194 0.000
H9 1.205 2.194 0.000
H10 -1.205 2.194 0.000
H11 2.168 0.000 0.870
H12 -2.168 0.000 0.870
H13 2.168 0.000 -0.870
H14 -2.168 0.000 -0.870

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.00842.50901.50612.50901.50612.21473.48642.21473.48641.09383.77341.09383.7734
C23.00841.50612.50901.50612.50903.48642.21473.48642.21473.77341.09383.77341.0938
C32.50901.50611.33842.50692.84183.92433.48922.09711.08273.22102.13843.22102.1384
C41.50612.50901.33842.84182.50693.48923.92431.08272.09712.13843.22102.13843.2210
C52.50901.50612.50692.84181.33842.09711.08273.92433.48923.22102.13843.22102.1384
C61.50612.50902.84182.50691.33841.08272.09713.48923.92432.13843.22102.13843.2210
H72.21473.48643.92433.48922.09711.08272.40994.38875.00692.54924.11652.54924.1165
H83.48642.21473.48923.92431.08272.09712.40995.00694.38874.11652.54924.11652.5492
H92.21473.48642.09711.08273.92433.48924.38875.00692.40992.54924.11652.54924.1165
H103.48642.21471.08272.09713.48923.92435.00694.38872.40994.11652.54924.11652.5492
H111.09383.77343.22102.13843.22102.13842.54924.11652.54924.11654.33531.73934.6711
H123.77341.09382.13843.22102.13843.22104.11652.54924.11652.54924.33534.67111.7393
H131.09383.77343.22102.13843.22102.13842.54924.11652.54924.11651.73934.67114.3353
H143.77341.09382.13843.22102.13843.22104.11652.54924.11652.54924.67111.73934.3353

picture of 1,4-Cyclohexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 123.670 C1 C4 H9 116.672
C1 C6 C5 123.670 C1 C6 H7 116.672
C2 C3 C4 123.670 C2 C3 H10 116.672
C2 C5 C6 123.670 C2 C5 H8 116.672
C3 C2 C5 112.659 C3 C2 H12 109.650
C3 C2 H14 109.650 C3 C4 H9 119.658
C4 C1 C6 112.659 C4 C1 H11 109.650
C4 C1 H13 109.650 C4 C3 H10 119.658
C5 C2 H12 109.650 C5 C2 H14 109.650
C5 C6 H7 119.658 C6 C1 H11 109.650
C6 C1 H13 109.650 C6 C5 H8 119.658
H11 C1 H13 105.322 H12 C2 H14 105.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability