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All results from a given calculation for C6H10 (3-Hexyne)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K0.032942
HF Energy0.032942
Nuclear repulsion energy129.626008
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 PM3
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 3186 3103 0.35      
2 A 3088 3008 0.07      
3 A 3088 3007 0.00      
4 A 3015 2936 0.36      
5 A 2941 2865 0.00      
6 A 2461 2397 0.15      
7 A 1413 1376 0.23      
8 A 1411 1374 0.22      
9 A 1403 1367 0.00      
10 A 1369 1334 0.08      
11 A 1305 1271 1.61      
12 A 1116 1087 0.00      
13 A 1115 1086 1.26      
14 A 1028 1001 0.59      
15 A 1013 986 0.00      
16 A 835 813 0.00      
17 A 772 752 0.10      
18 A 487 474 0.00      
19 A 453 441 4.27      
20 A 161 156 0.00      
21 A 100 97 1.35      
22 A 14i 14i 0.00      
23 B 3186 3103 0.11      
24 B 3088 3007 0.00      
25 B 3088 3007 0.41      
26 B 3015 2936 0.77      
27 B 2941 2865 0.14      
28 B 1505 1466 20.40      
29 B 1411 1374 1.72      
30 B 1408 1371 0.01      
31 B 1403 1367 0.56      
32 B 1358 1323 1.94      
33 B 1157 1127 0.08      
34 B 1116 1087 0.45      
35 B 1113 1084 0.91      
36 B 1003 977 2.41      
37 B 991 966 1.05      
38 B 821 800 0.59      
39 B 659 642 0.75      
40 B 259 253 0.11      
41 B 234 228 4.65      
42 B 137 134 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 30818.1 cm-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 30016.8 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 PM3
ABC
0.41943 0.04352 0.04270

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.151 0.577 -0.272
C2 0.151 -0.577 -0.272
C3 -0.517 1.969 -0.276
C4 0.517 -1.969 -0.276
C5 0.517 2.826 0.428
C6 -0.517 -2.826 0.428
H7 -0.648 2.298 -1.326
H8 -1.508 2.075 0.208
H9 0.648 -2.298 -1.326
H10 1.508 -2.075 0.208
H11 0.222 3.883 0.416
H12 0.644 2.529 1.477
H13 1.501 2.752 -0.053
H14 -0.222 -3.883 0.416
H15 -0.644 -2.529 1.477
H16 -1.501 -2.752 -0.053

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.19251.43942.63192.44803.49312.07902.07843.16493.16513.39732.73932.73984.51303.59913.5990
C21.19252.63191.43943.49312.44803.16493.16512.07902.07844.51303.59913.59903.39732.73932.7398
C31.43942.63194.07131.51614.84591.10861.10864.54654.54892.16522.17592.17595.89984.82964.8275
C42.63191.43944.07134.84591.51614.54654.54891.10861.10865.89984.82964.82752.16522.17592.1759
C52.44803.49311.51614.84595.74502.17112.17115.41755.00491.09751.09751.09756.74895.57895.9508
C63.49312.44804.84591.51615.74505.41755.00492.17112.17116.74895.57895.95081.09751.09751.0975
H72.07903.16491.10864.54652.17115.41751.77344.77615.11232.51103.09552.53906.43625.58285.2778
H82.07843.16511.10864.54892.17115.00491.77345.11235.13112.51102.53923.09556.09874.85404.8343
H93.16492.07904.54651.10865.41752.17114.77615.11231.77346.43625.58285.27782.51103.09552.5390
H103.16512.07844.54891.10865.00492.17115.11235.13111.77346.09874.85404.83432.51102.53923.0955
H113.39734.51302.16525.89981.09756.74892.51102.51106.43626.09871.77021.77027.77806.55676.8708
H122.73933.59912.17594.82961.09755.57893.09552.53925.58284.85401.77021.76786.55675.22015.9019
H132.73983.59902.17594.82751.09755.95082.53903.09555.27784.83431.77021.76786.87085.90196.2692
H144.51303.39735.89982.16526.74891.09756.43626.09872.51102.51107.77806.55676.87081.77021.7702
H153.59912.73934.82962.17595.57891.09755.58284.85403.09552.53926.55675.22015.90191.77021.7678
H163.59902.73984.82752.17595.95081.09755.27784.83432.53903.09556.87085.90196.26921.77021.7678

picture of 3-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 179.818 C1 C3 C5 111.820
C1 C3 H7 108.660 C1 C3 H8 108.617
C2 C1 C3 179.818 C2 C4 C6 111.820
C2 C4 H9 108.660 C2 C4 H10 108.617
C3 C5 H11 110.867 C3 C5 H12 111.722
C3 C5 H13 111.721 C4 C6 H14 110.867
C4 C6 H15 111.722 C4 C6 H16 111.721
C5 C3 H7 110.660 C5 C3 H8 110.664
C6 C4 H9 110.660 C6 C4 H10 110.664
H7 C3 H8 106.231 H9 C4 H10 106.231
H11 C5 H12 107.510 H11 C5 H13 107.507
H12 C5 H13 107.292 H14 C6 H15 107.510
H14 C6 H16 107.507 H15 C6 H15 0.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability