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: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-234.254869
Energy at 298.15K-234.263943
Nuclear repulsion energy224.976083
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 PBEPBEultrafine/6-31G*
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 3424 3368 54.00      
2 A1 3065 3015 56.52      
3 A1 2988 2938 25.74      
4 A1 2165 2129 4.71      
5 A1 1499 1475 7.01      
6 A1 1400 1377 0.86      
7 A1 1247 1227 24.94      
8 A1 884 869 2.03      
9 A1 688 677 0.49      
10 A1 370 364 0.16      
11 A2 3071 3021 0.00      
12 A2 1455 1431 0.00      
13 A2 945 929 0.00      
14 A2 223 220 0.00      
15 E 3074 3024 34.07      
15 E 3074 3024 34.07      
16 E 3060 3010 5.76      
16 E 3060 3010 5.76      
17 E 2982 2933 22.07      
17 E 2982 2933 22.07      
18 E 1480 1456 6.42      
18 E 1480 1456 6.42      
19 E 1467 1443 0.44      
19 E 1467 1443 0.44      
20 E 1368 1346 4.89      
20 E 1368 1346 4.89      
21 E 1201 1181 6.37      
21 E 1201 1181 6.37      
22 E 1028 1011 0.07      
22 E 1028 1011 0.07      
23 E 919 904 0.74      
23 E 919 904 0.74      
24 E 564 555 45.42      
24 E 564 555 45.42      
25 E 522 514 4.24      
25 E 522 514 4.24      
26 E 345 339 0.27      
26 E 345 339 0.27      
27 E 275 270 0.00      
27 E 275 270 0.00      
28 E 168 166 0.13      
28 E 168 166 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 30165.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 29668.0 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 PBEPBEultrafine/6-31G*
ABC
0.14973 0.08851 0.08851

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.174
C2 0.000 0.000 -0.299
C3 0.000 1.462 -0.811
C4 1.266 -0.731 -0.811
C5 -1.266 -0.731 -0.811
C6 0.000 0.000 2.393
H7 0.000 0.000 3.467
H8 0.000 1.474 -1.915
H9 1.276 -0.737 -1.915
H10 -1.276 -0.737 -1.915
H11 -0.893 2.003 -0.457
H12 0.893 2.003 -0.457
H13 2.182 -0.228 -0.457
H14 1.288 -1.775 -0.457
H15 -1.288 -1.775 -0.457
H16 -2.182 -0.228 -0.457

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.47302.46452.46452.46451.21982.29373.42223.42223.42222.73292.73292.73292.73292.73292.7329
C21.47301.54861.54861.54862.69273.76672.18682.18682.18682.19912.19912.19912.19912.19912.1991
C32.46451.54862.53192.53193.52174.52081.10462.77172.77171.10281.10282.78223.50183.50182.7822
C42.46451.54862.53192.53193.52174.52082.77171.10462.77173.50182.78221.10281.10282.78223.5018
C52.46451.54862.53192.53193.52174.52082.77172.77171.10462.78223.50183.50182.78221.10281.1028
C61.21982.69273.52173.52173.52171.07394.55364.55364.55363.59643.59643.59643.59643.59643.5964
H72.29373.76674.52084.52084.52081.07395.58055.58055.58054.49544.49544.49544.49544.49544.4954
H83.42222.18681.10462.77172.77174.55365.58052.55232.55231.79031.79033.12773.78693.78693.1277
H93.42222.18682.77171.10462.77174.55365.58052.55232.55233.78693.12771.79031.79033.12773.7869
H103.42222.18682.77172.77171.10464.55365.58052.55232.55233.12773.78693.78693.12771.79031.7903
H112.73292.19911.10283.50182.78223.59644.49541.79033.78693.12771.78613.79914.36303.79912.5769
H122.73292.19911.10282.78223.50183.59644.49541.79033.12773.78691.78612.57693.79914.36303.7991
H132.73292.19912.78221.10283.50183.59644.49543.12771.79033.78693.79912.57691.78613.79914.3630
H142.73292.19913.50181.10282.78223.59644.49543.78691.79033.12774.36303.79911.78612.57693.7991
H152.73292.19913.50182.78221.10283.59644.49543.78693.12771.79033.79914.36303.79912.57691.7861
H162.73292.19912.78223.50181.10283.59644.49543.12773.78691.79032.57693.79914.36303.79911.7861

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 109.277 C1 C2 C4 109.277
C1 C2 C5 109.277 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.888
C2 C3 H11 110.956 C2 C3 H12 110.956
C2 C4 H9 109.888 C2 C4 H13 110.956
C2 C4 H14 110.956 C2 C5 H10 109.888
C2 C5 H15 110.956 C2 C5 H16 110.956
C3 C2 C4 109.665 C3 C2 C5 109.665
C4 C2 C5 109.665 H8 C3 H11 108.402
H8 C3 H12 108.402 H9 C4 H13 108.402
H9 C4 H14 108.402 H10 C5 H15 108.402
H10 C5 H16 108.402 H11 C3 H12 108.155
H13 C4 H14 108.155 H15 C5 H16 108.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.380      
2 C -0.098      
3 C -0.468      
4 C -0.468      
5 C -0.468      
6 C -0.526      
7 H 0.186      
8 H 0.155      
9 H 0.155      
10 H 0.155      
11 H 0.166      
12 H 0.166      
13 H 0.166      
14 H 0.166      
15 H 0.166      
16 H 0.166      


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 -0.630 0.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.523 0.000 0.000
y 0.000 -38.523 0.000
z 0.000 0.000 -34.787
Traceless
 xyz
x -1.868 0.000 0.000
y 0.000 -1.868 0.000
z 0.000 0.000 3.736
Polar
3z2-r27.472
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 7.727 0.000 0.000
y 0.000 7.727 0.000
z 0.000 0.000 11.825


<r2> (average value of r2) Å2
<r2> 176.403
(<r2>)1/2 13.282