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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-39.068300
Energy at 298.15K-39.077469
HF Energy-38.564815
Nuclear repulsion energy120.470151
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 3449 3333 32.25      
2 A1 3134 3028 134.36      
3 A1 3022 2920 33.89      
4 A1 2039 1970 0.31      
5 A1 1538 1486 11.94      
6 A1 1464 1414 3.53      
7 A1 1289 1246 29.43      
8 A1 899 869 0.21      
9 A1 676 653 1.40      
10 A1 378 365 0.32      
11 A2 3132 3026 0.00      
12 A2 1509 1458 0.00      
13 A2 992 959 0.00      
14 A2 239 231 0.00      
15 E 3140 3034 71.59      
15 E 3140 3034 71.59      
16 E 3125 3020 9.47      
16 E 3125 3020 9.47      
17 E 3020 2918 42.60      
17 E 3020 2918 42.60      
18 E 1529 1478 7.46      
18 E 1529 1478 7.46      
19 E 1513 1462 1.02      
19 E 1513 1462 1.02      
20 E 1437 1389 8.24      
20 E 1437 1389 8.24      
21 E 1261 1218 9.74      
21 E 1261 1218 9.74      
22 E 1077 1041 0.31      
22 E 1077 1041 0.31      
23 E 956 924 0.34      
23 E 956 924 0.34      
24 E 647 625 84.17      
24 E 647 625 84.17      
25 E 503 486 0.44      
25 E 503 486 0.44      
26 E 351 340 0.53      
26 E 351 340 0.53      
27 E 284 275 0.00      
27 E 284 275 0.00      
28 E 127 123 0.77      
28 E 127 123 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 30848.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 29809.0 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-31G
ABC
0.14530 0.08408 0.08408

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 1.199
C2 0.000 0.000 -0.315
C3 0.000 1.486 -0.835
C4 1.287 -0.743 -0.835
C5 -1.287 -0.743 -0.835
C6 0.000 0.000 2.478
H7 0.000 0.000 3.554
H8 0.000 1.493 -1.948
H9 1.293 -0.746 -1.948
H10 -1.293 -0.746 -1.948
H11 -0.901 2.027 -0.474
H12 0.901 2.027 -0.474
H13 2.205 -0.233 -0.474
H14 1.305 -1.793 -0.474
H15 -1.305 -1.793 -0.474
H16 -2.205 -0.233 -0.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51382.51982.51982.51981.27862.35473.48303.48303.48302.77842.77842.77842.77842.77842.7784
C21.51381.57501.57501.57502.79243.86842.21252.21252.21252.22352.22352.22352.22352.22352.2235
C32.51981.57502.57462.57463.63144.63421.11232.80952.80951.11061.11062.81983.54823.54822.8198
C42.51981.57502.57462.57463.63144.63422.80951.11232.80953.54822.81981.11061.11062.81983.5482
C52.51981.57502.57462.57463.63144.63422.80952.80951.11232.81983.54823.54822.81981.11061.1106
C61.27862.79243.63143.63143.63141.07614.67054.67054.67053.69253.69253.69253.69253.69253.6925
H72.35473.86844.63424.63424.63421.07615.70055.70055.70054.59854.59854.59854.59854.59854.5985
H83.48302.21251.11232.80952.80954.67055.70052.58542.58541.80751.80753.16433.83033.83033.1643
H93.48302.21252.80951.11232.80954.67055.70052.58542.58543.83033.16431.80751.80753.16433.8303
H103.48302.21252.80952.80951.11234.67055.70052.58542.58543.16433.83033.83033.16431.80751.8075
H112.77842.22351.11063.54822.81983.69254.59851.80753.83033.16431.80163.84124.41093.84122.6093
H122.77842.22351.11062.81983.54823.69254.59851.80753.16433.83031.80162.60933.84124.41093.8412
H132.77842.22352.81981.11063.54823.69254.59853.16431.80753.83033.84122.60931.80163.84124.4109
H142.77842.22353.54821.11062.81983.69254.59853.83031.80753.16434.41093.84121.80162.60933.8412
H152.77842.22353.54822.81981.11063.69254.59853.83033.16431.80753.84124.41093.84122.60931.8016
H162.77842.22352.81983.54821.11063.69254.59853.16433.83031.80752.60933.84124.41093.84121.8016

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 109.312 C1 C2 C4 109.312
C1 C2 C5 109.312 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.635
C2 C3 H11 110.579 C2 C3 H12 110.579
C2 C4 H9 109.635 C2 C4 H13 110.579
C2 C4 H14 110.579 C2 C5 H10 109.635
C2 C5 H15 110.579 C2 C5 H16 110.579
C3 C2 C4 109.630 C3 C2 C5 109.630
C4 C2 C5 109.630 H8 C3 H11 108.801
H8 C3 H12 108.801 H9 C4 H13 108.801
H9 C4 H14 108.801 H10 C5 H15 108.801
H10 C5 H16 108.801 H11 C3 H12 108.400
H13 C4 H14 108.400 H15 C5 H16 108.400
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability