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All results from a given calculation for C6H10 (1-Butyne, 3,3-dimethyl-)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-39.142347
Energy at 298.15K-39.151518
HF Energy-38.593069
Nuclear repulsion energy121.377212
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3406 3324 33.92      
2 A1 3069 2995 101.83      
3 A1 2959 2888 28.22      
4 A1 2027 1978 0.62      
5 A1 1538 1501 11.04      
6 A1 1457 1422 3.31      
7 A1 1280 1249 20.85      
8 A1 889 868 0.00      
9 A1 671 655 1.49      
10 A1 370 361 0.17      
11 A2 3067 2994 0.00      
12 A2 1504 1467 0.00      
13 A2 976 953 0.00      
14 A2 208 203 0.00      
15 E 3074 3000 57.88      
15 E 3074 3000 57.88      
16 E 3059 2986 7.44      
16 E 3059 2986 7.44      
17 E 2954 2883 34.73      
17 E 2954 2883 34.73      
18 E 1528 1491 7.15      
18 E 1528 1491 7.15      
19 E 1510 1473 0.56      
19 E 1510 1473 0.56      
20 E 1430 1396 9.34      
20 E 1430 1396 9.34      
21 E 1248 1218 7.38      
21 E 1248 1218 7.38      
22 E 1065 1039 0.81      
22 E 1065 1039 0.81      
23 E 943 920 0.05      
23 E 943 920 0.05      
24 E 645 630 77.55      
24 E 645 630 77.55      
25 E 507 495 0.46      
25 E 507 495 0.46      
26 E 351 342 0.31      
26 E 351 342 0.31      
27 E 270 263 0.00      
27 E 270 263 0.00      
28 E 136 133 0.54      
28 E 136 133 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 30429.4 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 29699.0 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/CEP-121G
ABC
0.14673 0.08569 0.08569

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.246
C2 0.000 0.000 -0.256
C3 0.000 1.479 -0.777
C4 1.281 -0.740 -0.777
C5 -1.281 -0.740 -0.777
C6 0.000 0.000 2.492
H7 0.000 0.000 3.564
H8 0.000 1.485 -1.882
H9 1.286 -0.742 -1.882
H10 -1.286 -0.742 -1.882
H11 -0.895 2.017 -0.419
H12 0.895 2.017 -0.419
H13 2.194 -0.233 -0.419
H14 1.299 -1.783 -0.419
H15 -1.299 -1.783 -0.419
H16 -2.194 -0.233 -0.419

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50232.50662.50662.50661.24632.31783.46303.46303.46302.76452.76452.76452.76452.76452.7645
C21.50231.56851.56851.56852.74863.82012.20222.20222.20222.21242.21242.21242.21242.21242.2124
C32.50661.56852.56232.56233.58884.58641.10512.79482.79481.10361.10362.80623.53013.53012.8062
C42.50661.56852.56232.56233.58884.58642.79481.10512.79483.53012.80621.10361.10362.80623.5301
C52.50661.56852.56232.56233.58884.58642.79482.79481.10512.80623.53013.53012.80621.10361.1036
C61.24632.74863.58883.58883.58881.07154.62004.62004.62003.65343.65343.65343.65343.65343.6534
H72.31783.82014.58644.58644.58641.07155.64515.64515.64514.55364.55364.55364.55364.55364.5536
H83.46302.20221.10512.79482.79484.62005.64512.57182.57181.79571.79573.14743.80913.80913.1474
H93.46302.20222.79481.10512.79484.62005.64512.57182.57183.80913.14741.79571.79573.14743.8091
H103.46302.20222.79482.79481.10514.62005.64512.57182.57183.14743.80913.80913.14741.79571.7957
H112.76452.21241.10363.53012.80623.65344.55361.79573.80913.14741.79003.82164.38813.82162.5981
H122.76452.21241.10362.80623.53013.65344.55361.79573.14743.80911.79002.59813.82164.38813.8216
H132.76452.21242.80621.10363.53013.65344.55363.14741.79573.80913.82162.59811.79003.82164.3881
H142.76452.21243.53011.10362.80623.65344.55363.80911.79573.14744.38813.82161.79002.59813.8216
H152.76452.21243.53012.80621.10363.65344.55363.80913.14741.79573.82164.38813.82162.59811.7900
H162.76452.21242.80623.53011.10363.65344.55363.14743.80911.79572.59813.82164.38813.82161.7900

picture of 1-Butyne, 3,3-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 109.407 C1 C2 C4 109.407
C1 C2 C5 109.407 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.689
C2 C3 H11 110.579 C2 C3 H12 110.579
C2 C4 H9 109.689 C2 C4 H13 110.579
C2 C4 H14 110.579 C2 C5 H10 109.689
C2 C5 H15 110.579 C2 C5 H16 110.579
C3 C2 C4 109.535 C3 C2 C5 109.535
C4 C2 C5 109.535 H8 C3 H11 108.778
H8 C3 H12 108.778 H9 C4 H13 108.778
H9 C4 H14 108.778 H10 C5 H15 108.778
H10 C5 H16 108.778 H11 C3 H12 108.389
H13 C4 H14 108.389 H15 C5 H16 108.389
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability