return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C24H12 (Coronene)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D6H 1A1G
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-138.411511
Energy at 298.15K-138.425122
HF Energy-138.411511
Nuclear repulsion energy860.908559
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 HF/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3400 3065 0.00      
2 A1g 1781 1606 0.00      
3 A1g 1499 1351 0.00      
4 A1g 1349 1216 0.00      
5 A1g 1113 1003 0.00      
6 A1g 505 455 0.00      
7 A1u 1130 1018 0.00      
8 A1u 580 523 0.00      
9 A2g 3368 3036 0.00      
10 A2g 1701 1533 0.00      
11 A2g 1358 1224 0.00      
12 A2g 966 871 0.00      
13 A2g 633 571 0.00      
14 A2u 1032 930 284.98      
15 A2u 622 561 63.00      
16 A2u 144 130 10.99      
17 B1g 911 821 0.00      
18 B1g 185 167 0.00      
19 B1u 3371 3039 0.00      
20 B1u 1746 1574 0.00      
21 B1u 1568 1414 0.00      
22 B1u 1254 1130 0.00      
23 B1u 720 649 0.00      
24 B1u 589 531 0.00      
25 B2g 1157 1043 0.00      
26 B2g 767 691 0.00      
27 B2g 682 615 0.00      
28 B2g 253 228 0.00      
29 B2u 3395 3060 0.00      
30 B2u 1689 1522 0.00      
31 B2u 1466 1321 0.00      
32 B2u 1279 1153 0.00      
33 B2u 1183 1067 0.00      
34 B2u 511 460 0.00      
35 E1g 1140 1027 0.00      
35 E1g 1140 1027 0.00      
36 E1g 1005 906 0.00      
36 E1g 1005 906 0.00      
37 E1g 747 674 0.00      
37 E1g 747 674 0.00      
38 E1g 511 460 0.00      
38 E1g 511 460 0.00      
39 E1g 343 309 0.00      
39 E1g 343 309 0.00      
40 E1u 3398 3063 166.92      
40 E1u 3398 3063 166.92      
41 E1u 3369 3037 11.01      
41 E1u 3369 3037 11.01      
42 E1u 1807 1629 5.62      
42 E1u 1807 1629 5.62      
43 E1u 1658 1495 6.40      
43 E1u 1658 1495 6.40      
44 E1u 1559 1405 0.22      
44 E1u 1559 1405 0.22      
45 E1u 1431 1290 23.19      
45 E1u 1431 1290 23.19      
46 E1u 1335 1203 2.08      
46 E1u 1335 1203 2.08      
47 E1u 1255 1131 8.85      
47 E1u 1255 1131 8.85      
48 E1u 868 783 0.13      
48 E1u 868 783 0.13      
49 E1u 837 754 10.78      
49 E1u 837 754 10.78      
50 E1u 404 364 3.53      
50 E1u 404 364 3.53      
51 E2g 3396 3061 0.00      
51 E2g 3396 3061 0.00      
52 E2g 3371 3039 0.00      
52 E2g 3371 3039 0.00      
53 E2g 1826 1646 0.00      
53 E2g 1826 1646 0.00      
54 E2g 1603 1445 0.00      
54 E2g 1603 1445 0.00      
55 E2g 1566 1412 0.00      
55 E2g 1566 1412 0.00      
56 E2g 1550 1397 0.00      
56 E2g 1550 1397 0.00      
57 E2g 1324 1193 0.00      
57 E2g 1324 1193 0.00      
58 E2g 1285 1158 0.00      
58 E2g 1285 1158 0.00      
59 E2g 1074 968 0.00      
59 E2g 1074 968 0.00      
60 E2g 730 658 0.00      
60 E2g 730 658 0.00      
61 E2g 523 471 0.00      
61 E2g 523 471 0.00      
62 E2g 392 353 0.00      
62 E2g 392 353 0.00      
63 E2u 1152 1038 0.00      
63 E2u 1152 1038 0.00      
64 E2u 949 855 0.00      
64 E2u 949 855 0.00      
65 E2u 878 792 0.00      
65 E2u 878 792 0.00      
66 E2u 641 578 0.00      
66 E2u 641 578 0.00      
67 E2u 338 304 0.00      
67 E2u 338 304 0.00      
68 E2u 99 89 0.00      
68 E2u 99 89 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 66313.1 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 59774.6 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 HF/CEP-31G
ABC
0.01096 0.01096 0.00548

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.444 0.000
C2 1.250 0.722 0.000
C3 1.250 -0.722 0.000
C4 0.000 -1.444 0.000
C5 -1.250 -0.722 0.000
C6 -1.250 0.722 0.000
C7 0.000 2.863 0.000
C8 2.480 1.432 0.000
C9 2.480 -1.432 0.000
C10 0.000 -2.863 0.000
C11 -2.480 -1.432 0.000
C12 -2.480 1.432 0.000
C13 1.261 3.562 0.000
C14 2.455 2.873 0.000
C15 3.716 0.689 0.000
C16 3.716 -0.689 0.000
C17 2.455 -2.873 0.000
C18 1.261 -3.562 0.000
C19 -1.261 -3.562 0.000
C20 -2.455 -2.873 0.000
C21 -3.716 -0.689 0.000
C22 -3.716 0.689 0.000
C23 -2.455 2.873 0.000
C24 -1.261 3.562 0.000
H25 1.257 4.639 0.000
H26 3.389 3.408 0.000
H27 4.646 1.231 0.000
H28 4.646 -1.231 0.000
H29 3.389 -3.408 0.000
H30 1.257 -4.639 0.000
H31 -1.257 -4.639 0.000
H32 -3.389 -3.408 0.000
H33 -4.646 -1.231 0.000
H34 -4.646 1.231 0.000
H35 -3.389 3.408 0.000
H36 -1.257 4.639 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 H25 H26 H27 H28 H29 H30 H31 H32 H33 H34 H35 H36
C11.44372.50062.88752.50061.44371.41952.47973.79694.30703.79692.47972.46542.84053.79144.28434.96605.16255.16254.96604.28433.79142.84052.46543.43383.91744.65105.36125.91846.21156.21155.91845.36124.65103.91743.4338
C21.44371.44382.50062.88752.50062.47971.41952.47973.79694.30703.79692.84052.46542.46542.84053.79144.28434.96605.16255.16254.96604.28433.79143.91743.43383.43383.91744.65105.36125.91846.21156.21155.91845.36124.6510
C32.50061.44381.44372.50062.88753.79692.47971.41952.47973.79694.30704.28433.79142.84052.46542.46542.84053.79144.28434.96605.16255.16254.96605.36124.65103.91743.43383.43383.91744.65105.36125.91846.21156.21155.9184
C42.88752.50061.44371.44372.50064.30703.79692.47971.41952.47973.79695.16254.96604.28433.79142.84052.46542.46542.84053.79144.28434.96605.16256.21155.91845.36124.65103.91743.43383.43383.91744.65105.36125.91846.2115
C52.50062.88752.50061.44371.44383.79694.30703.79692.47971.41952.47974.96605.16255.16254.96604.28433.79142.84052.46542.46542.84053.79144.28435.91846.21156.21155.91845.36124.65103.91743.43383.43383.91744.65105.3612
C61.44372.50062.88752.50061.44382.47973.79694.30703.79692.47971.41953.79144.28434.96605.16255.16254.96604.28433.79142.84052.46542.46542.84054.65105.36125.91846.21156.21155.91845.36124.65103.91743.43383.43383.9174
C71.41952.47973.79694.30703.79692.47972.86334.95935.72664.95932.86331.44172.45474.30495.14066.23966.54826.54826.23965.14064.30492.45471.44172.17573.43294.92446.19297.12867.60717.60717.12866.19294.92443.43292.1757
C82.47971.41952.47973.79694.30703.79692.86332.86334.95935.72664.95942.45471.44171.44172.45474.30495.14066.23966.54826.54826.23965.14064.30493.43292.17572.17573.43294.92446.19297.12867.60717.60717.12866.19294.9244
C93.79692.47971.41952.47973.79694.30704.95932.86332.86334.95945.72665.14064.30492.45471.44171.44172.45474.30495.14066.23966.54826.54826.23966.19294.92443.43292.17572.17573.43294.92446.19297.12867.60717.60717.1286
C104.30703.79692.47971.41952.47973.79695.72664.95932.86332.86334.95936.54826.23965.14064.30492.45471.44171.44172.45474.30495.14066.23966.54827.60717.12866.19294.92443.43292.17572.17573.43294.92446.19297.12867.6071
C113.79694.30703.79692.47971.41952.47974.95935.72664.95942.86332.86336.23966.54826.54826.23965.14064.30492.45471.44171.44172.45474.30495.14067.12867.60717.60717.12866.19294.92443.43292.17572.17573.43294.92446.1929
C122.47973.79694.30703.79692.47971.41952.86334.95945.72664.95932.86334.30495.14066.23966.54826.54826.23965.14064.30492.45471.44171.44172.45474.92446.19297.12867.60717.60717.12866.19294.92443.43292.17572.17573.4329
C132.46542.84054.28435.16254.96603.79141.44172.45475.14066.54826.23964.30491.37843.77894.90936.54537.12477.55797.43116.54535.74633.77892.52181.07692.13414.11025.86857.28818.20178.57948.37927.60746.35034.65292.7382
C142.84052.46543.79144.96605.16254.28432.45471.44174.30496.23966.54825.14061.37842.52183.77895.74636.54537.43117.55797.12476.54534.90933.77892.13411.07692.73824.65296.35037.60748.37928.57948.20177.28815.86854.1102
C153.79142.46542.84054.28435.16254.96604.30491.44172.45475.14066.54826.23963.77892.52181.37843.77894.90936.54537.12477.55797.43116.54535.74634.65292.73821.07692.13414.11025.86857.28818.20178.57948.37927.60746.3503
C164.28432.84052.46543.79144.96605.16255.14062.45471.44174.30496.23966.54824.90933.77891.37842.52183.77895.74636.54537.43117.55797.12476.54535.86854.11022.13411.07692.73824.65296.35037.60748.37928.57948.20177.2881
C174.96603.79142.46542.84054.28435.16256.23964.30491.44172.45475.14066.54826.54535.74633.77892.52181.37843.77894.90936.54537.12477.55797.43117.60746.35034.65292.73821.07692.13414.11025.86857.28818.20178.57948.3792
C185.16254.28432.84052.46543.79144.96606.54825.14062.45471.44174.30496.23967.12476.54534.90933.77891.37842.52183.77895.74636.54537.43117.55798.20177.28815.86854.11022.13411.07692.73824.65296.35037.60748.37928.5794
C195.16254.96603.79142.46542.84054.28436.54826.23964.30491.44172.45475.14067.55797.43116.54535.74633.77892.52181.37843.77894.90936.54537.12478.57948.37927.60746.35034.65292.73821.07692.13414.11025.86857.28818.2017
C204.96605.16254.28432.84052.46543.79146.23966.54825.14062.45471.44174.30497.43117.55797.12476.54534.90933.77891.37842.52183.77895.74636.54538.37928.57948.20177.28815.86854.11022.13411.07692.73824.65296.35037.6074
C214.28435.16254.96603.79142.46542.84055.14066.54826.23964.30491.44172.45476.54537.12477.55797.43116.54535.74633.77892.52181.37843.77894.90937.28818.20178.57948.37927.60746.35034.65292.73821.07692.13414.11025.8685
C223.79144.96605.16254.28432.84052.46544.30496.23966.54825.14062.45471.44175.74636.54537.43117.55797.12476.54534.90933.77891.37842.52183.77896.35037.60748.37928.57948.20177.28815.86854.11022.13411.07692.73824.6529
C232.84054.28435.16254.96603.79142.46542.45475.14066.54826.23964.30491.44173.77894.90936.54537.12477.55797.43116.54535.74633.77892.52181.37844.11025.86857.28818.20178.57948.37927.60746.35034.65292.73821.07692.1341
C242.46543.79144.96605.16254.28432.84051.44174.30496.23966.54825.14062.45472.52183.77895.74636.54537.43117.55797.12476.54534.90933.77891.37842.73824.65296.35037.60748.37928.57948.20177.28815.86854.11022.13411.0769
H253.43383.91745.36126.21155.91844.65102.17573.43296.19297.60717.12864.92441.07692.13414.65295.86857.60748.20178.57948.37927.28816.35034.11022.73822.46274.80656.77888.32519.27869.61309.29228.32516.81604.80652.5134
H263.91743.43384.65105.91846.21155.36123.43292.17574.92447.12867.60716.19292.13411.07692.73824.11026.35037.28818.37928.57948.20177.60745.86854.65292.46272.51344.80656.81608.32519.29229.61309.27868.32516.77884.8065
H274.65103.43383.91745.36126.21155.91844.92442.17573.43296.19297.60717.12864.11022.73821.07692.13414.65295.86857.60748.20178.57948.37927.28816.35034.80652.51342.46274.80656.77888.32519.27869.61309.29228.32516.8160
H285.36123.91743.43384.65105.91846.21156.19293.43292.17574.92447.12867.60715.86854.65292.13411.07692.73824.11026.35037.28818.37928.57948.20177.60746.77884.80652.46272.51344.80656.81608.32519.29229.61309.27868.3251
H295.91844.65103.43383.91745.36126.21157.12864.92442.17573.43296.19297.60717.28816.35034.11022.73821.07692.13414.65295.86857.60748.20178.57948.37928.32516.81604.80652.51342.46274.80656.77888.32519.27869.61309.2922
H306.21155.36123.91743.43384.65105.91847.60716.19293.43292.17574.92447.12868.20177.60745.86854.65292.13411.07692.73824.11026.35037.28818.37928.57949.27868.32516.77884.80652.46272.51344.80656.81608.32519.29229.6130
H316.21155.91844.65103.43383.91745.36127.60717.12864.92442.17573.43296.19298.57948.37927.28816.35034.11022.73821.07692.13414.65295.86857.60748.20179.61309.29228.32516.81604.80652.51342.46274.80656.77888.32519.2786
H325.91846.21155.36123.91743.43384.65107.12867.60716.19293.43292.17574.92448.37928.57948.20177.60745.86854.65292.13411.07692.73824.11026.35037.28819.29229.61309.27868.32516.77884.80652.46272.51344.80656.81608.3251
H335.36126.21155.91844.65103.43383.91746.19297.60717.12864.92442.17573.43297.60748.20178.57948.37927.28816.35034.11022.73821.07692.13414.65295.86858.32519.27869.61309.29228.32516.81604.80652.51342.46274.80656.7788
H344.65105.91846.21155.36123.91743.43384.92447.12867.60716.19293.43292.17576.35037.28818.37928.57948.20177.60745.86854.65292.13411.07692.73824.11026.81608.32519.29229.61309.27868.32516.77884.80652.46272.51344.8065
H353.91745.36126.21155.91844.65103.43383.43296.19297.60717.12864.92442.17574.65295.86857.60748.20178.57948.37927.28816.35034.11022.73821.07692.13414.80656.77888.32519.27869.61309.29228.32516.81604.80652.51342.4627
H363.43384.65105.91846.21155.36123.91742.17574.92447.12867.60716.19293.43292.73824.11026.35037.28818.37928.57948.20177.60745.86854.65292.13411.07692.51344.80656.81608.32519.29229.61309.27868.32516.77884.80652.4627

picture of Coronene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.000 C1 C2 C8 120.000
C1 C6 C5 120.000 C1 C6 C12 120.000
C1 C7 C13 119.006 C1 C7 C24 119.006
C2 C1 C6 120.000 C2 C1 C7 120.000
C2 C3 C4 120.000 C2 C3 C9 120.000
C2 C8 C14 119.006 C2 C8 C15 119.006
C3 C2 C8 120.000 C3 C4 C5 120.000
C3 C4 C10 120.000 C3 C9 C16 119.006
C3 C9 C17 119.006 C4 C3 C9 120.000
C4 C5 C6 120.000 C4 C5 C11 120.000
C4 C10 C18 119.006 C4 C10 C19 119.006
C5 C4 C10 120.000 C5 C6 C12 120.000
C5 C11 C20 119.006 C5 C11 C21 119.006
C6 C1 C7 120.000 C6 C5 C11 120.000
C6 C12 C22 119.006 C6 C12 C23 119.006
C7 C13 C14 120.994 C7 C13 H25 118.782
C7 C24 C23 120.994 C7 C24 H36 118.782
C8 C14 C13 120.994 C8 C14 H26 118.782
C8 C15 C16 120.994 C8 C15 H27 118.782
C9 C16 C15 120.994 C9 C16 H28 118.782
C9 C17 C18 120.994 C9 C17 H29 118.782
C10 C18 C17 120.994 C10 C18 H30 118.782
C10 C19 C20 120.994 C10 C19 H31 118.782
C11 C20 C19 120.994 C11 C20 H32 118.782
C11 C21 C22 120.994 C11 C21 H33 118.782
C12 C22 C21 120.994 C12 C22 H34 118.782
C12 C23 C24 120.994 C12 C23 H35 118.782
C13 C7 C24 121.988 C13 C14 H26 120.224
C14 C8 C15 121.988 C14 C13 H25 120.224
C15 C16 H28 120.224 C16 C9 C17 121.988
C16 C15 H27 120.224 C17 C18 H30 120.224
C18 C10 C19 121.988 C18 C17 H29 120.224
C19 C20 H32 120.224 C20 C11 C21 121.988
C20 C19 H31 120.224 C21 C22 H34 120.224
C22 C12 C23 121.988 C22 C21 H33 120.224
C23 C24 H36 120.224 C24 C23 H35 120.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.269      
2 C -0.269      
3 C -0.269      
4 C -0.269      
5 C -0.269      
6 C -0.269      
7 C 0.218      
8 C 0.218      
9 C 0.218      
10 C 0.218      
11 C 0.218      
12 C 0.218      
13 C -0.254      
14 C -0.254      
15 C -0.254      
16 C -0.254      
17 C -0.254      
18 C -0.254      
19 C -0.254      
20 C -0.254      
21 C -0.254      
22 C -0.254      
23 C -0.254      
24 C -0.254      
25 H 0.280      
26 H 0.280      
27 H 0.280      
28 H 0.280      
29 H 0.280      
30 H 0.280      
31 H 0.280      
32 H 0.280      
33 H 0.280      
34 H 0.280      
35 H 0.280      
36 H 0.280      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -119.274 0.000 0.000
y 0.000 -119.274 0.000
z 0.000 0.000 -149.874
Traceless
 xyz
x 15.300 0.000 0.000
y 0.000 15.300 0.000
z 0.000 0.000 -30.600
Polar
3z2-r2-61.200
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 50.612 0.000 0.000
y 0.000 50.612 0.000
z 0.000 0.000 11.627


<r2> (average value of r2) Å2
<r2> 1290.339
(<r2>)1/2 35.921