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: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D6H 1A1G
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-916.806774
Energy at 298.15K-916.819141
HF Energy-916.806774
Nuclear repulsion energy1829.142389
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1g 3206 3093 0.00      
2 A1g 1637 1580 0.00      
3 A1g 1366 1318 0.00      
4 A1g 1267 1222 0.00      
5 A1g 1052 1015 0.00      
6 A1g 483 467 0.00      
7 A1u 989 954 0.00      
8 A1u 548 529 0.00      
9 A2g 3183 3071 0.00      
10 A2g 1567 1512 0.00      
11 A2g 1293 1248 0.00      
12 A2g 967 933 0.00      
13 A2g 670 646 0.00      
14 A2u 887 856 200.71      
15 A2u 555 536 38.17      
16 A2u 123 119 7.78      
17 B1g 786 758 0.00      
18 B1g 169 163 0.00      
19 B1u 3186 3074 0.00      
20 B1u 1567 1512 0.00      
21 B1u 1480 1428 0.00      
22 B1u 1209 1166 0.00      
23 B1u 692 668 0.00      
24 B1u 574 554 0.00      
25 B2g 1014 978 0.00      
26 B2g 825 796 0.00      
27 B2g 651 629 0.00      
28 B2g 230 222 0.00      
29 B2u 3201 3089 0.00      
30 B2u 1504 1451 0.00      
31 B2u 1365 1317 0.00      
32 B2u 1210 1167 0.00      
33 B2u 1190 1149 0.00      
34 B2u 496 478 0.00      
35 E1g 996 961 0.00      
35 E1g 996 961 0.00      
36 E1g 867 837 0.00      
36 E1g 867 837 0.00      
37 E1g 678 654 0.00      
37 E1g 678 654 0.00      
38 E1g 462 446 0.00      
38 E1g 462 446 0.00      
39 E1g 294 284 0.00      
39 E1g 294 284 0.00      
40 E1u 3204 3092 77.27      
40 E1u 3204 3092 77.28      
41 E1u 3184 3072 3.13      
41 E1u 3184 3072 3.13      
42 E1u 1643 1585 16.37      
42 E1u 1643 1585 16.37      
43 E1u 1539 1485 1.74      
43 E1u 1539 1485 1.74      
44 E1u 1411 1361 0.28      
44 E1u 1411 1361 0.28      
45 E1u 1356 1309 25.30      
45 E1u 1356 1309 25.30      
46 E1u 1252 1208 1.17      
46 E1u 1252 1208 1.17      
47 E1u 1185 1144 6.17      
47 E1u 1185 1144 6.17      
48 E1u 828 799 0.15      
48 E1u 828 799 0.15      
49 E1u 805 777 6.15      
49 E1u 805 777 6.15      
50 E1u 392 379 3.24      
50 E1u 392 379 3.24      
51 E2g 3203 3090 0.00      
51 E2g 3203 3090 0.00      
52 E2g 3185 3074 0.00      
52 E2g 3185 3074 0.00      
53 E2g 1634 1577 0.00      
53 E2g 1634 1577 0.00      
54 E2g 1495 1442 0.00      
54 E2g 1495 1442 0.00      
55 E2g 1459 1408 0.00      
55 E2g 1459 1408 0.00      
56 E2g 1421 1371 0.00      
56 E2g 1421 1371 0.00      
57 E2g 1257 1213 0.00      
57 E2g 1257 1213 0.00      
58 E2g 1215 1173 0.00      
58 E2g 1215 1173 0.00      
59 E2g 1018 982 0.00      
59 E2g 1018 982 0.00      
60 E2g 705 680 0.00      
60 E2g 705 680 0.00      
61 E2g 510 492 0.00      
61 E2g 510 492 0.00      
62 E2g 379 366 0.00      
62 E2g 379 366 0.00      
63 E2u 1008 973 0.00      
63 E2u 1008 973 0.00      
64 E2u 831 801 0.00      
64 E2u 831 801 0.00      
65 E2u 777 750 0.00      
65 E2u 777 750 0.00      
66 E2u 548 529 0.00      
66 E2u 548 529 0.00      
67 E2u 305 294 0.00      
67 E2u 305 294 0.00      
68 E2u 91 88 0.00      
68 E2u 91 88 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 61706.5 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 59540.6 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 B3LYP/3-21G
ABC
0.01111 0.01111 0.00555

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.429 0.000
C2 1.237 0.714 0.000
C3 1.237 -0.714 0.000
C4 0.000 -1.429 0.000
C5 -1.237 -0.714 0.000
C6 -1.237 0.714 0.000
C7 0.000 2.850 0.000
C8 2.468 1.425 0.000
C9 2.468 -1.425 0.000
C10 0.000 -2.850 0.000
C11 -2.468 -1.425 0.000
C12 -2.468 1.425 0.000
C13 1.250 3.537 0.000
C14 2.438 2.851 0.000
C15 3.688 0.686 0.000
C16 3.688 -0.686 0.000
C17 2.438 -2.851 0.000
C18 1.250 -3.537 0.000
C19 -1.250 -3.537 0.000
C20 -2.438 -2.851 0.000
C21 -3.688 -0.686 0.000
C22 -3.688 0.686 0.000
C23 -2.438 2.851 0.000
C24 -1.250 3.537 0.000
H25 1.244 4.621 0.000
H26 3.380 3.388 0.000
H27 4.625 1.233 0.000
H28 4.625 -1.233 0.000
H29 3.380 -3.388 0.000
H30 1.244 -4.621 0.000
H31 -1.244 -4.621 0.000
H32 -3.380 -3.388 0.000
H33 -4.625 -1.233 0.000
H34 -4.625 1.233 0.000
H35 -3.380 3.388 0.000
H36 -1.244 4.621 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
C11.42852.47422.85702.47421.42851.42182.46843.77314.27883.77312.46842.45102.82263.76204.25114.92525.12035.12034.92524.25113.76202.82262.45103.42693.90734.62875.33585.88466.17676.17675.88465.33584.62873.90733.4269
C21.42851.42852.47422.85702.47422.46841.42182.46843.77314.27883.77312.82262.45102.45102.82263.76204.25114.92525.12035.12034.92524.25113.76203.90733.42693.42693.90734.62875.33585.88466.17676.17675.88465.33584.6287
C32.47421.42851.42852.47422.85703.77312.46841.42182.46843.77314.27884.25113.76202.82262.45102.45102.82263.76204.25114.92525.12035.12034.92525.33584.62873.90733.42693.42693.90734.62875.33585.88466.17676.17675.8846
C42.85702.47421.42851.42852.47424.27883.77312.46841.42182.46843.77315.12034.92524.25113.76202.82262.45102.45102.82263.76204.25114.92525.12036.17675.88465.33584.62873.90733.42693.42693.90734.62875.33585.88466.1767
C52.47422.85702.47421.42851.42853.77314.27883.77312.46841.42182.46844.92525.12035.12034.92524.25113.76202.82262.45102.45102.82263.76204.25115.88466.17676.17675.88465.33584.62873.90733.42693.42693.90734.62875.3358
C61.42852.47422.85702.47421.42852.46843.77314.27883.77312.46841.42183.76204.25114.92525.12035.12034.92524.25113.76202.82262.45102.45102.82264.62875.33585.88466.17676.17675.88465.33584.62873.90733.42693.42693.9073
C71.42182.46843.77314.27883.77312.46842.85034.93695.70064.93692.85031.42612.43804.27625.10946.20066.50836.50836.20065.10944.27622.43801.42612.16473.42274.89926.16937.09567.57477.57477.09566.16934.89923.42272.1647
C82.46841.42182.46843.77314.27883.77312.85032.85034.93695.70064.93692.43801.42611.42612.43804.27625.10946.20066.50836.50836.20065.10944.27623.42272.16472.16473.42274.89926.16937.09567.57477.57477.09566.16934.8992
C93.77312.46841.42182.46843.77314.27884.93692.85032.85034.93695.70065.10944.27622.43801.42611.42612.43804.27625.10946.20066.50836.50836.20066.16934.89923.42272.16472.16473.42274.89926.16937.09567.57477.57477.0956
C104.27883.77312.46841.42182.46843.77315.70064.93692.85032.85034.93696.50836.20065.10944.27622.43801.42611.42612.43804.27625.10946.20066.50837.57477.09566.16934.89923.42272.16472.16473.42274.89926.16937.09567.5747
C113.77314.27883.77312.46841.42182.46844.93695.70064.93692.85032.85036.20066.50836.50836.20065.10944.27622.43801.42611.42612.43804.27625.10947.09567.57477.57477.09566.16934.89923.42272.16472.16473.42274.89926.1693
C122.46843.77314.27883.77312.46841.42182.85034.93695.70064.93692.85034.27625.10946.20066.50836.50836.20065.10944.27622.43801.42611.42612.43804.89926.16937.09567.57477.57477.09566.16934.89923.42272.16472.16473.4227
C132.45102.82264.25115.12034.92523.76201.42612.43805.10946.50836.20064.27621.37193.75124.87616.49737.07377.50257.37606.49735.70183.75122.49991.08462.13534.08605.84297.24558.15848.53128.33057.56716.31014.63242.7200
C142.82262.45103.76204.92525.12034.25112.43801.42614.27626.20066.50835.10941.37192.49993.75125.70186.49737.37607.50257.07376.49734.87613.75122.13531.08462.72004.63246.31017.56718.33058.53128.15847.24565.84294.0860
C153.76202.45102.82264.25115.12034.92524.27621.42612.43805.10946.50836.20063.75122.49991.37193.75124.87616.49737.07377.50257.37606.49735.70184.63242.72001.08462.13534.08605.84297.24558.15848.53128.33057.56716.3101
C164.25112.82262.45103.76204.92525.12035.10942.43801.42614.27626.20066.50834.87613.75121.37192.49993.75125.70186.49737.37607.50257.07376.49735.84294.08602.13531.08462.72004.63246.31017.56718.33058.53128.15847.2455
C174.92523.76202.45102.82264.25115.12036.20064.27621.42612.43805.10946.50836.49735.70183.75122.49991.37193.75124.87616.49737.07377.50257.37607.56716.31014.63242.72001.08462.13534.08605.84297.24568.15848.53128.3305
C185.12034.25112.82262.45103.76204.92526.50835.10942.43801.42614.27626.20067.07376.49734.87613.75121.37192.49993.75125.70186.49737.37607.50258.15847.24555.84294.08602.13531.08462.72004.63246.31017.56718.33058.5312
C195.12034.92523.76202.45102.82264.25116.50836.20064.27621.42612.43805.10947.50257.37606.49735.70183.75122.49991.37193.75124.87616.49737.07378.53128.33057.56716.31014.63242.72001.08462.13534.08605.84297.24558.1584
C204.92525.12034.25112.82262.45103.76206.20066.50835.10942.43801.42614.27627.37607.50257.07376.49734.87613.75121.37192.49993.75125.70186.49738.33058.53128.15847.24565.84294.08602.13531.08462.72004.63246.31017.5671
C214.25115.12034.92523.76202.45102.82265.10946.50836.20064.27621.42612.43806.49737.07377.50257.37606.49735.70183.75122.49991.37193.75124.87617.24558.15848.53128.33057.56716.31014.63242.72001.08462.13534.08605.8429
C223.76204.92525.12034.25112.82262.45104.27626.20066.50835.10942.43801.42615.70186.49737.37607.50257.07376.49734.87613.75121.37192.49993.75126.31017.56718.33058.53128.15847.24555.84294.08602.13531.08462.72004.6324
C232.82264.25115.12034.92523.76202.45102.43805.10946.50836.20064.27621.42613.75124.87616.49737.07377.50257.37606.49735.70183.75122.49991.37194.08605.84297.24568.15848.53128.33057.56716.31014.63242.72001.08462.1353
C242.45103.76204.92525.12034.25112.82261.42614.27626.20066.50835.10942.43802.49993.75125.70186.49737.37607.50257.07376.49734.87613.75121.37192.72004.63246.31017.56718.33058.53128.15847.24555.84294.08602.13531.0846
H253.42693.90735.33586.17675.88464.62872.16473.42276.16937.57477.09564.89921.08462.13534.63245.84297.56718.15848.53128.33057.24556.31014.08602.72002.46604.78616.76028.28989.24309.57229.24918.28986.77704.78612.4889
H263.90733.42694.62875.88466.17675.33583.42272.16474.89927.09567.57476.16932.13531.08462.72004.08606.31017.24558.33058.53128.15847.56715.84294.63242.46602.48894.78616.77708.28989.24919.57229.24308.28986.76024.7861
H274.62873.42693.90735.33586.17675.88464.89922.16473.42276.16937.57477.09564.08602.72001.08462.13534.63245.84297.56718.15848.53128.33057.24566.31014.78612.48892.46604.78616.76028.28989.24309.57229.24918.28986.7770
H285.33583.90733.42694.62875.88466.17676.16933.42272.16474.89927.09567.57475.84294.63242.13531.08462.72004.08606.31017.24568.33058.53128.15847.56716.76024.78612.46602.48894.78616.77708.28989.24919.57229.24308.2898
H295.88464.62873.42693.90735.33586.17677.09564.89922.16473.42276.16937.57477.24556.31014.08602.72001.08462.13534.63245.84297.56718.15848.53128.33058.28986.77704.78612.48892.46604.78616.76028.28989.24309.57229.2491
H306.17675.33583.90733.42694.62875.88467.57476.16933.42272.16474.89927.09568.15847.56715.84294.63242.13531.08462.72004.08606.31017.24558.33058.53129.24308.28986.76024.78612.46602.48894.78616.77708.28989.24919.5722
H316.17675.88464.62873.42693.90735.33587.57477.09564.89922.16473.42276.16938.53128.33057.24556.31014.08602.72001.08462.13534.63245.84297.56718.15849.57229.24918.28986.77704.78612.48892.46604.78616.76028.28989.2430
H325.88466.17675.33583.90733.42694.62877.09567.57476.16933.42272.16474.89928.33058.53128.15847.56715.84294.63242.13531.08462.72004.08606.31017.24559.24919.57229.24308.28986.76024.78612.46602.48894.78616.77708.2898
H335.33586.17675.88464.62873.42693.90736.16937.57477.09564.89922.16473.42277.56718.15848.53128.33057.24566.31014.08602.72001.08462.13534.63245.84298.28989.24309.57229.24918.28986.77704.78612.48892.46604.78616.7602
H344.62875.88466.17675.33583.90733.42694.89927.09567.57476.16933.42272.16476.31017.24568.33058.53128.15847.56715.84294.63242.13531.08462.72004.08606.77708.28989.24919.57229.24308.28986.76024.78612.46602.48894.7861
H353.90735.33586.17675.88464.62873.42693.42276.16937.57477.09564.89922.16474.63245.84297.56718.15848.53128.33057.24556.31014.08602.72001.08462.13534.78616.76028.28989.24309.57229.24918.28986.77704.78612.48892.4660
H363.42694.62875.88466.17675.33583.90732.16474.89927.09567.57476.16933.42272.72004.08606.31017.24558.33058.53128.15847.56715.84294.63242.13531.08462.48894.78616.77708.28989.24919.57229.24308.28986.76024.78612.4660

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 118.779 C1 C7 C24 118.779
C2 C1 C6 120.000 C2 C1 C7 120.000
C2 C3 C4 120.000 C2 C3 C9 120.000
C2 C8 C14 118.779 C2 C8 C15 118.779
C3 C2 C8 120.000 C3 C4 C5 120.000
C3 C4 C10 120.000 C3 C9 C16 118.779
C3 C9 C17 118.779 C4 C3 C9 120.000
C4 C5 C6 120.000 C4 C5 C11 120.000
C4 C10 C18 118.779 C4 C10 C19 118.779
C5 C4 C10 120.000 C5 C6 C12 120.000
C5 C11 C20 118.779 C5 C11 C21 118.779
C6 C1 C7 120.000 C6 C5 C11 120.000
C6 C12 C22 118.779 C6 C12 C23 118.779
C7 C13 C14 121.221 C7 C13 H25 118.489
C7 C24 C23 121.221 C7 C24 H36 118.489
C8 C14 C13 121.221 C8 C14 H26 118.489
C8 C15 C16 121.221 C8 C15 H27 118.489
C9 C16 C15 121.221 C9 C16 H28 118.489
C9 C17 C18 121.221 C9 C17 H29 118.489
C10 C18 C17 121.221 C10 C18 H30 118.489
C10 C19 C20 121.221 C10 C19 H31 118.489
C11 C20 C19 121.221 C11 C20 H32 118.489
C11 C21 C22 121.221 C11 C21 H33 118.489
C12 C22 C21 121.221 C12 C22 H34 118.489
C12 C23 C24 121.221 C12 C23 H35 118.489
C13 C7 C24 122.441 C13 C14 H26 120.290
C14 C8 C15 122.441 C14 C13 H25 120.290
C15 C16 H28 120.290 C16 C9 C17 122.441
C16 C15 H27 120.290 C17 C18 H30 120.290
C18 C10 C19 122.441 C18 C17 H29 120.290
C19 C20 H32 120.290 C20 C11 C21 122.441
C20 C19 H31 120.290 C21 C22 H34 120.290
C22 C12 C23 122.441 C22 C21 H33 120.290
C23 C24 H36 120.290 C24 C23 H35 120.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 C -0.007      
3 C -0.007      
4 C -0.007      
5 C -0.007      
6 C -0.007      
7 C -0.005      
8 C -0.005      
9 C -0.005      
10 C -0.005      
11 C -0.005      
12 C -0.005      
13 C -0.180      
14 C -0.180      
15 C -0.180      
16 C -0.180      
17 C -0.180      
18 C -0.180      
19 C -0.180      
20 C -0.180      
21 C -0.180      
22 C -0.180      
23 C -0.180      
24 C -0.180      
25 H 0.186      
26 H 0.186      
27 H 0.186      
28 H 0.186      
29 H 0.186      
30 H 0.186      
31 H 0.186      
32 H 0.186      
33 H 0.186      
34 H 0.186      
35 H 0.186      
36 H 0.186      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -114.084 0.000 0.000
y 0.000 -114.084 0.000
z 0.000 0.000 -147.656
Traceless
 xyz
x 16.786 0.000 0.000
y 0.000 16.786 0.000
z 0.000 0.000 -33.572
Polar
3z2-r2-67.143
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 51.837 0.000 0.000
y 0.000 51.838 0.000
z 0.000 0.000 7.597


<r2> (average value of r2) Å2
<r2> 1732.227
(<r2>)1/2 41.620