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 C6H10 (1-Butyne, 3,3-dimethyl-)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-233.059214
Energy at 298.15K-233.069194
HF Energy-233.059214
Nuclear repulsion energy227.434115
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 HF/Def2TZVPP
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 3617 3278 69.13      
2 A1 3232 2929 92.65      
3 A1 3170 2874 32.69      
4 A1 2371 2149 6.62      
5 A1 1636 1483 7.30      
6 A1 1557 1411 1.21      
7 A1 1378 1249 25.16      
8 A1 950 861 0.00      
9 A1 728 660 1.55      
10 A1 410 371 0.09      
11 A2 3231 2929 0.00      
12 A2 1596 1447 0.00      
13 A2 1048 950 0.00      
14 A2 237 215 0.00      
15 E 3238 2935 54.49      
15 E 3238 2935 54.49      
16 E 3222 2921 5.35      
16 E 3222 2921 5.35      
17 E 3161 2865 28.01      
17 E 3161 2865 28.01      
18 E 1619 1467 6.39      
18 E 1619 1467 6.39      
19 E 1606 1455 0.13      
19 E 1606 1455 0.13      
20 E 1525 1382 5.13      
20 E 1525 1382 5.13      
21 E 1339 1214 5.50      
21 E 1339 1214 5.50      
22 E 1143 1036 0.42      
22 E 1143 1036 0.42      
23 E 1007 913 0.16      
23 E 1007 913 0.16      
24 E 811 735 46.98      
24 E 811 735 46.98      
25 E 609 552 13.93      
25 E 609 552 13.93      
26 E 383 347 0.72      
26 E 383 347 0.72      
27 E 301 273 0.00      
27 E 301 273 0.00      
28 E 204 185 1.17      
28 E 204 185 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 32746.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 29681.7 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 HF/Def2TZVPP
ABC
0.15207 0.09033 0.09033

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.184
C2 0.000 0.000 -0.309
C3 0.000 1.451 -0.808
C4 1.257 -0.726 -0.808
C5 -1.257 -0.726 -0.808
C6 0.000 0.000 2.368
H7 0.000 0.000 3.412
H8 0.000 1.458 -1.874
H9 1.263 -0.729 -1.874
H10 -1.263 -0.729 -1.874
H11 -0.867 1.965 -0.451
H12 0.867 1.965 -0.451
H13 2.135 -0.232 -0.451
H14 1.269 -1.733 -0.451
H15 -1.269 -1.733 -0.451
H16 -2.135 -0.232 -0.451

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.49242.46402.46402.46401.18412.22853.38743.38743.38742.69902.69902.69902.69902.69902.6990
C21.49241.53461.53461.53462.67653.72092.13912.13912.13912.15262.15262.15262.15262.15262.1526
C32.46401.53462.51372.51373.49124.46221.06622.73612.73611.06901.06902.74233.44643.44642.7423
C42.46401.53462.51372.51373.49124.46222.73611.06622.73613.44642.74231.06901.06902.74233.4464
C52.46401.53462.51372.51373.49124.46222.73612.73611.06622.74233.44643.44642.74231.06901.0690
C61.18412.67653.49123.49123.49121.04444.48514.48514.48513.54363.54363.54363.54363.54363.5436
H72.22853.72094.46224.46224.46221.04445.48335.48335.48334.41984.41984.41984.41984.41984.4198
H83.38742.13911.06622.73612.73614.48515.48332.52592.52591.74151.74153.07273.71763.71763.0727
H93.38742.13912.73611.06622.73614.48515.48332.52592.52593.71763.07271.74151.74153.07273.7176
H103.38742.13912.73612.73611.06624.48515.48332.52592.52593.07273.71763.71763.07271.74151.7415
H112.69902.15261.06903.44642.74233.54364.41981.74153.71763.07271.73353.72034.27063.72032.5372
H122.69902.15261.06902.74233.44643.54364.41981.74153.07273.71761.73352.53723.72034.27063.7203
H132.69902.15262.74231.06903.44643.54364.41983.07271.74153.71763.72032.53721.73353.72034.2706
H142.69902.15263.44641.06902.74233.54364.41983.71761.74153.07274.27063.72031.73352.53723.7203
H152.69902.15263.44642.74231.06903.54364.41983.71763.07271.74153.72034.27063.72032.53721.7335
H162.69902.15262.74233.44641.06903.54364.41983.07273.71761.74152.53723.72034.27063.72031.7335

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 108.967 C1 C2 C4 108.967
C1 C2 C5 108.967 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.347
C2 C3 H11 110.256 C2 C3 H12 110.256
C2 C4 H9 109.347 C2 C4 H13 110.256
C2 C4 H14 110.256 C2 C5 H10 109.347
C2 C5 H15 110.256 C2 C5 H16 110.256
C3 C2 C4 109.971 C3 C2 C5 109.971
C4 C2 C5 109.971 H8 C3 H11 109.304
H8 C3 H12 109.304 H9 C4 H13 109.305
H9 C4 H14 109.304 H10 C5 H15 109.304
H10 C5 H16 109.305 H11 C3 H12 108.350
H13 C4 H14 108.350 H15 C5 H16 108.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.454      
2 C 0.153      
3 C -0.231      
4 C -0.231      
5 C -0.231      
6 C 0.192      
7 H 0.195      
8 H 0.061      
9 H 0.061      
10 H 0.061      
11 H 0.070      
12 H 0.070      
13 H 0.070      
14 H 0.070      
15 H 0.070      
16 H 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.722 0.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.813 0.000 0.000
y 0.000 -39.813 0.000
z 0.000 0.000 -35.522
Traceless
 xyz
x -2.146 0.000 0.000
y 0.000 -2.146 0.000
z 0.000 0.000 4.291
Polar
3z2-r28.582
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 8.791 0.000 0.000
y 0.000 8.791 0.000
z 0.000 0.000 11.855


<r2> (average value of r2) Å2
<r2> 174.039
(<r2>)1/2 13.192