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: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-234.553558
Energy at 298.15K-234.562919
Nuclear repulsion energy226.601020
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 B3PW91/6-311G*
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 3472 3342 51.77      
2 A1 3119 3002 70.90      
3 A1 3044 2931 29.01      
4 A1 2216 2133 6.62      
5 A1 1532 1475 11.05      
6 A1 1435 1381 2.49      
7 A1 1280 1233 23.31      
8 A1 904 871 1.75      
9 A1 703 677 0.59      
10 A1 379 365 0.11      
11 A2 3122 3006 0.00      
12 A2 1486 1430 0.00      
13 A2 967 931 0.00      
14 A2 222 214 0.00      
15 E 3127 3010 42.71      
15 E 3127 3010 42.71      
16 E 3112 2996 5.70      
16 E 3112 2996 5.70      
17 E 3037 2924 25.62      
17 E 3037 2924 25.62      
18 E 1512 1455 9.42      
18 E 1512 1455 9.42      
19 E 1498 1442 0.32      
19 E 1498 1442 0.32      
20 E 1402 1349 9.71      
20 E 1402 1349 9.71      
21 E 1235 1189 6.03      
21 E 1235 1189 6.02      
22 E 1053 1014 0.07      
22 E 1053 1014 0.07      
23 E 942 907 0.59      
23 E 942 907 0.59      
24 E 631 608 49.90      
24 E 631 608 49.90      
25 E 555 534 4.24      
25 E 555 534 4.24      
26 E 354 341 0.51      
26 E 354 341 0.51      
27 E 280 269 0.00      
27 E 280 269 0.00      
28 E 176 169 0.57      
28 E 176 169 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 30853.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 29702.4 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 B3PW91/6-311G*
ABC
0.15152 0.08982 0.08982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.169
C2 0.000 0.000 -0.298
C3 0.000 1.453 -0.804
C4 1.258 -0.727 -0.804
C5 -1.258 -0.727 -0.804
C6 0.000 0.000 2.372
H7 0.000 0.000 3.438
H8 0.000 1.471 -1.899
H9 1.274 -0.736 -1.899
H10 -1.274 -0.736 -1.899
H11 -0.884 1.991 -0.453
H12 0.884 1.991 -0.453
H13 2.166 -0.230 -0.453
H14 1.282 -1.761 -0.453
H15 -1.282 -1.761 -0.453
H16 -2.166 -0.230 -0.453

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.46722.45042.45042.45041.20382.26883.40213.40213.40212.71612.71612.71612.71612.71612.7161
C21.46721.53861.53861.53862.67103.73602.17382.17382.17382.18412.18412.18412.18412.18412.1841
C32.45041.53862.51692.51693.49344.48391.09462.75892.75891.09291.09292.76573.47853.47852.7657
C42.45041.53862.51692.51693.49344.48392.75891.09462.75893.47852.76571.09291.09292.76573.4785
C52.45041.53862.51692.51693.49344.48392.75892.75891.09462.76573.47853.47852.76571.09291.0929
C61.20382.67103.49343.49343.49341.06504.51764.51764.51763.56813.56813.56813.56813.56813.5681
H72.26883.73604.48394.48394.48391.06505.53545.53545.53544.45934.45934.45934.45934.45934.4593
H83.40212.17381.09462.75892.75894.51765.53542.54812.54811.77241.77243.11073.76593.76593.1107
H93.40212.17382.75891.09462.75894.51765.53542.54812.54813.76593.11071.77241.77243.11073.7659
H103.40212.17382.75892.75891.09464.51765.53542.54812.54813.11073.76593.76593.11071.77241.7724
H112.71612.18411.09293.47852.76573.56814.45931.77243.76593.11071.76823.77354.33293.77352.5647
H122.71612.18411.09292.76573.47853.56814.45931.77243.11073.76591.76822.56473.77354.33293.7735
H132.71612.18412.76571.09293.47853.56814.45933.11071.77243.76593.77352.56471.76823.77354.3329
H142.71612.18413.47851.09292.76573.56814.45933.76591.77243.11074.33293.77351.76822.56473.7735
H152.71612.18413.47852.76571.09293.56814.45933.76593.11071.77243.77354.33293.77352.56471.7682
H162.71612.18412.76573.47851.09293.56814.45933.11073.76591.77242.56473.77354.33293.77351.7682

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 109.194 C1 C2 C4 109.194
C1 C2 C5 109.194 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 110.137
C2 C3 H11 111.061 C2 C3 H12 111.061
C2 C4 H9 110.137 C2 C4 H13 111.061
C2 C4 H14 111.061 C2 C5 H10 110.137
C2 C5 H15 111.061 C2 C5 H16 111.061
C3 C2 C4 109.747 C3 C2 C5 109.747
C4 C2 C5 109.747 H8 C3 H11 108.242
H8 C3 H12 108.242 H9 C4 H13 108.242
H9 C4 H14 108.242 H10 C5 H15 108.242
H10 C5 H16 108.242 H11 C3 H12 107.994
H13 C4 H14 107.994 H15 C5 H16 107.994
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.190      
2 C -0.325      
3 C -0.605      
4 C -0.605      
5 C -0.605      
6 C -0.337      
7 H 0.241      
8 H 0.220      
9 H 0.220      
10 H 0.220      
11 H 0.231      
12 H 0.231      
13 H 0.231      
14 H 0.231      
15 H 0.231      
16 H 0.231      


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 -0.647 0.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.270 0.000 0.000
y 0.000 -39.270 0.000
z 0.000 0.000 -34.955
Traceless
 xyz
x -2.157 0.000 0.000
y 0.000 -2.157 0.000
z 0.000 0.000 4.315
Polar
3z2-r28.629
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 174.621
(<r2>)1/2 13.214