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

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-232.669046
Energy at 298.15K-232.677604
HF Energy-231.850979
Nuclear repulsion energy216.894349
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/cc-pVDZ
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 3223 3063 0.00      
2 Ag 3052 2900 0.00      
3 Ag 1751 1664 0.00      
4 Ag 1465 1393 0.00      
5 Ag 1220 1160 0.00      
6 Ag 881 837 0.00      
7 Ag 533 507 0.00      
8 Au 1212 1152 0.00      
9 Au 987 938 0.00      
10 Au 370 352 0.00      
11 B1g 3198 3039 0.00      
12 B1g 1422 1351 0.00      
13 B1g 1353 1285 0.00      
14 B1g 1066 1014 0.00      
15 B1g 570 542 0.00      
16 B1u 3088 2935 38.75      
17 B1u 992 942 21.78      
18 B1u 632 601 56.89      
19 B1u 102 97 0.84      
20 B2g 3090 2937 0.00      
21 B2g 993 944 0.00      
22 B2g 967 919 0.00      
23 B2g 368 350 0.00      
24 B2u 3222 3062 62.90      
25 B2u 1709 1624 4.95      
26 B2u 1394 1325 0.00      
27 B2u 1169 1111 0.02      
28 B2u 969 921 0.14      
29 B3g 1222 1162 0.00      
30 B3g 725 689 0.00      
31 B3u 3198 3039 11.96      
32 B3u 3053 2902 73.59      
33 B3u 1468 1395 5.85      
34 B3u 1435 1364 0.22      
35 B3u 961 913 0.18      
36 B3u 922 876 9.74      

Unscaled Zero Point Vibrational Energy (zpe) 26990.1 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 25651.4 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/cc-pVDZ
ABC
0.17162 0.16111 0.08572

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.508 0.000 0.000
C2 -1.508 0.000 0.000
C3 -0.674 1.253 0.000
C4 0.674 1.253 0.000
C5 -0.674 -1.253 0.000
C6 0.674 -1.253 0.000
H7 1.207 -2.211 0.000
H8 -1.207 -2.211 0.000
H9 1.207 2.211 0.000
H10 -1.207 2.211 0.000
H11 2.183 0.000 0.878
H12 -2.183 0.000 0.878
H13 2.183 0.000 -0.878
H14 -2.183 0.000 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.01682.51711.50552.51711.50552.23183.50222.23183.50221.10733.79471.10733.7947
C23.01681.50552.51711.50552.51713.50222.23183.50222.23183.79471.10733.79471.1073
C32.51711.50551.34882.50672.84663.94283.50552.11151.09633.24162.14913.24162.1491
C41.50552.51711.34882.84662.50673.50553.94281.09632.11152.14913.24162.14913.2416
C52.51711.50552.50672.84661.34882.11151.09633.94283.50553.24162.14913.24162.1491
C61.50552.51712.84662.50671.34881.09632.11153.50553.94282.14913.24162.14913.2416
H72.23183.50223.94283.50552.11151.09632.41454.42295.03902.57174.14212.57174.1421
H83.50222.23183.50553.94281.09632.11152.41455.03904.42294.14212.57174.14212.5717
H92.23183.50222.11151.09633.94283.50554.42295.03902.41452.57174.14212.57174.1421
H103.50222.23181.09632.11153.50553.94285.03904.42292.41454.14212.57174.14212.5717
H111.10733.79473.24162.14913.24162.14912.57174.14212.57174.14214.36661.75584.7064
H123.79471.10732.14913.24162.14913.24164.14212.57174.14212.57174.36664.70641.7558
H131.10733.79473.24162.14913.24162.14912.57174.14212.57174.14211.75584.70644.3666
H143.79471.10732.14913.24162.14913.24164.14212.57174.14212.57174.70641.75584.3666

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 123.640 C1 C4 H9 117.279
C1 C6 C5 123.640 C1 C6 H7 117.279
C2 C3 C4 123.640 C2 C3 H10 117.279
C2 C5 C6 123.640 C2 C5 H8 117.279
C3 C2 C5 112.720 C3 C2 H12 109.733
C3 C2 H14 109.733 C3 C4 H9 119.081
C4 C1 C6 112.720 C4 C1 H11 109.733
C4 C1 H13 109.733 C4 C3 H10 119.081
C5 C2 H12 109.733 C5 C2 H14 109.733
C5 C6 H7 119.081 C6 C1 H11 109.733
C6 C1 H13 109.733 C6 C5 H8 119.081
H11 C1 H13 104.896 H12 C2 H14 104.896
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability