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

using model chemistry: MP2/CEP-31G*

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-31G*
 hartrees
Energy at 0K-39.404980
Energy at 298.15K-39.414346
HF Energy-38.665832
Nuclear repulsion energy122.172966
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-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 A1 3487 3310 51.40      
2 A1 3180 3019 81.01      
3 A1 3075 2919 26.96      
4 A1 2099 1993 1.18      
5 A1 1542 1464 10.01      
6 A1 1457 1383 3.13      
7 A1 1299 1233 28.59      
8 A1 926 879 1.40      
9 A1 704 669 0.87      
10 A1 382 363 0.14      
11 A2 3184 3023 0.00      
12 A2 1505 1428 0.00      
13 A2 986 936 0.00      
14 A2 257 244 0.00      
15 E 3189 3028 41.27      
15 E 3189 3028 41.27      
16 E 3175 3014 5.30      
16 E 3175 3014 5.30      
17 E 3073 2918 28.11      
17 E 3073 2918 28.11      
18 E 1530 1452 6.92      
18 E 1530 1452 6.92      
19 E 1510 1434 0.86      
19 E 1510 1434 0.86      
20 E 1430 1358 8.29      
20 E 1430 1358 8.29      
21 E 1272 1208 6.64      
21 E 1272 1208 6.64      
22 E 1078 1023 0.04      
22 E 1078 1023 0.04      
23 E 974 924 1.11      
23 E 974 924 1.11      
24 E 640 608 76.66      
24 E 640 608 76.66      
25 E 522 496 0.36      
25 E 522 496 0.36      
26 E 359 341 0.43      
26 E 359 341 0.43      
27 E 305 289 0.01      
27 E 305 289 0.01      
28 E 150 142 0.53      
28 E 150 142 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 31247.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 29666.4 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/CEP-31G*
ABC
0.14952 0.08703 0.08703

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.221
C2 0.000 0.000 -0.265
C3 0.000 1.464 -0.769
C4 1.268 -0.732 -0.769
C5 -1.268 -0.732 -0.769
C6 0.000 0.000 2.481
H7 0.000 0.000 3.555
H8 0.000 1.478 -1.875
H9 1.280 -0.739 -1.875
H10 -1.280 -0.739 -1.875
H11 -0.895 2.000 -0.408
H12 0.895 2.000 -0.408
H13 2.179 -0.225 -0.408
H14 1.284 -1.775 -0.408
H15 -1.284 -1.775 -0.408
H16 -2.179 -0.225 -0.408

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.48652.47072.47072.47071.26012.33413.43103.43103.43102.73042.73042.73042.73042.73042.7304
C21.48651.54801.54801.54802.74663.82062.18542.18542.18542.19552.19552.19552.19552.19552.1955
C32.47071.54802.53512.53513.56494.56561.10592.77722.77721.10381.10382.78043.50253.50252.7804
C42.47071.54802.53512.53513.56494.56562.77721.10592.77723.50252.78041.10381.10382.78043.5025
C52.47071.54802.53512.53513.56494.56562.77722.77721.10592.78043.50253.50252.78041.10381.1038
C61.26012.74663.56493.56493.56491.07404.60044.60044.60043.62623.62623.62623.62623.62623.6262
H72.33413.82064.56564.56564.56561.07405.62805.62805.62804.52884.52884.52884.52884.52884.5288
H83.43102.18541.10592.77722.77724.60045.62802.55992.55991.79571.79573.13063.79243.79243.1306
H93.43102.18542.77721.10592.77724.60045.62802.55992.55993.79243.13061.79571.79573.13063.7924
H103.43102.18542.77722.77721.10594.60045.62802.55992.55993.13063.79243.79243.13061.79571.7957
H112.73042.19551.10383.50252.78043.62624.52881.79573.79243.13061.78973.79464.35843.79462.5688
H122.73042.19551.10382.78043.50253.62624.52881.79573.13063.79241.78972.56883.79464.35843.7946
H132.73042.19552.78041.10383.50253.62624.52883.13061.79573.79243.79462.56881.78973.79464.3584
H142.73042.19553.50251.10382.78043.62624.52883.79241.79573.13064.35843.79461.78972.56883.7946
H152.73042.19553.50252.78041.10383.62624.52883.79243.13061.79573.79464.35843.79462.56881.7897
H162.73042.19552.78043.50251.10383.62624.52883.13063.79241.79572.56883.79464.35843.79461.7897

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 109.001 C1 C2 C4 109.001
C1 C2 C5 109.001 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.745
C2 C3 H11 110.653 C2 C3 H12 110.653
C2 C4 H9 109.745 C2 C4 H13 110.653
C2 C4 H14 110.653 C2 C5 H10 109.745
C2 C5 H15 110.653 C2 C5 H16 110.653
C3 C2 C4 109.937 C3 C2 C5 109.937
C4 C2 C5 109.937 H8 C3 H11 108.707
H8 C3 H12 108.707 H9 C4 H13 108.707
H9 C4 H14 108.707 H10 C5 H15 108.707
H10 C5 H16 108.707 H11 C3 H12 108.321
H13 C4 H14 108.321 H15 C5 H16 108.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability