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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-234.505591
Energy at 298.15K-234.514909
Nuclear repulsion energy226.166686
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3500 3349 55.30      
2 A1 3140 3004 61.35      
3 A1 3062 2929 25.52      
4 A1 2234 2137 3.96      
5 A1 1543 1476 7.87      
6 A1 1448 1385 1.46      
7 A1 1288 1233 25.04      
8 A1 908 868 1.52      
9 A1 703 673 0.67      
10 A1 378 361 0.15      
11 A2 3145 3009 0.00      
12 A2 1500 1435 0.00      
13 A2 972 930 0.00      
14 A2 222 212 0.00      
15 E 3148 3012 36.29      
15 E 3148 3012 36.29      
16 E 3134 2999 5.62      
16 E 3134 2999 5.62      
17 E 3056 2923 23.01      
17 E 3056 2923 23.00      
18 E 1524 1458 6.60      
18 E 1524 1458 6.60      
19 E 1510 1445 0.50      
19 E 1510 1445 0.50      
20 E 1415 1354 5.78      
20 E 1415 1354 5.78      
21 E 1244 1190 5.91      
21 E 1244 1190 5.91      
22 E 1059 1013 0.06      
22 E 1059 1013 0.06      
23 E 946 905 0.76      
23 E 946 905 0.76      
24 E 619 592 51.07      
24 E 619 592 51.07      
25 E 555 531 1.68      
25 E 555 531 1.68      
26 E 353 338 0.41      
26 E 353 338 0.41      
27 E 278 266 0.00      
27 E 278 266 0.00      
28 E 178 170 0.28      
28 E 178 170 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 31040.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 29696.5 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 B3PW91/6-31G*
ABC
0.15116 0.08941 0.08941

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.171
C2 0.000 0.000 -0.300
C3 0.000 1.455 -0.806
C4 1.260 -0.728 -0.806
C5 -1.260 -0.728 -0.806
C6 0.000 0.000 2.380
H7 0.000 0.000 3.447
H8 0.000 1.470 -1.903
H9 1.273 -0.735 -1.903
H10 -1.273 -0.735 -1.903
H11 -0.886 1.993 -0.454
H12 0.886 1.993 -0.454
H13 2.169 -0.229 -0.454
H14 1.283 -1.764 -0.454
H15 -1.283 -1.764 -0.454
H16 -2.169 -0.229 -0.454

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.47052.45502.45502.45501.20902.27613.40723.40723.40722.72012.72012.72012.72012.72012.7201
C21.47051.54081.54081.54082.67953.74662.17522.17522.17522.18662.18662.18662.18662.18662.1866
C32.45501.54082.52032.52033.50294.49541.09672.76032.76031.09501.09502.76843.48323.48322.7684
C42.45501.54082.52032.52033.50294.49542.76031.09672.76033.48322.76841.09501.09502.76843.4832
C52.45501.54082.52032.52033.50294.49542.76032.76031.09672.76843.48323.48322.76841.09501.0950
C61.20902.67953.50293.50293.50291.06714.52814.52814.52813.57643.57643.57643.57643.57643.5764
H72.27613.74664.49544.49544.49541.06715.54825.54825.54824.46974.46974.46974.46974.46974.4697
H83.40722.17521.09672.76032.76034.52815.54822.54592.54591.77701.77703.11263.76863.76863.1126
H93.40722.17522.76031.09672.76034.52815.54822.54592.54593.76863.11261.77701.77703.11263.7686
H103.40722.17522.76032.76031.09674.52815.54822.54592.54593.11263.76863.76863.11261.77701.7770
H112.72012.18661.09503.48322.76843.57644.46971.77703.76863.11261.77303.77784.33823.77782.5653
H122.72012.18661.09502.76843.48323.57644.46971.77703.11263.76861.77302.56533.77784.33823.7778
H132.72012.18662.76841.09503.48323.57644.46973.11261.77703.76863.77782.56531.77303.77784.3382
H142.72012.18663.48321.09502.76843.57644.46973.76861.77703.11264.33823.77781.77302.56533.7778
H152.72012.18663.48322.76841.09503.57644.46973.76863.11261.77703.77784.33823.77782.56531.7730
H162.72012.18662.76843.48321.09503.57644.46973.11263.76861.77702.56533.77784.33823.77781.7730

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 109.204 C1 C2 C4 109.204
C1 C2 C5 109.204 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.975
C2 C3 H11 110.980 C2 C3 H12 110.980
C2 C4 H9 109.975 C2 C4 H13 110.980
C2 C4 H14 110.980 C2 C5 H10 109.975
C2 C5 H15 110.980 C2 C5 H16 110.980
C3 C2 C4 109.738 C3 C2 C5 109.738
C4 C2 C5 109.738 H8 C3 H11 108.351
H8 C3 H12 108.351 H9 C4 H13 108.351
H9 C4 H14 108.351 H10 C5 H15 108.351
H10 C5 H16 108.351 H11 C3 H12 108.114
H13 C4 H14 108.114 H15 C5 H16 108.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.349     -0.189
2 C -0.105     0.736
3 C -0.491     -0.531
4 C -0.491     -0.519
5 C -0.491     -0.512
6 C -0.548     -0.381
7 H 0.221     0.280
8 H 0.165     0.117
9 H 0.165     0.115
10 H 0.165     0.112
11 H 0.177     0.132
12 H 0.177     0.131
13 H 0.177     0.128
14 H 0.177     0.128
15 H 0.177     0.127
16 H 0.177     0.126


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 -0.620 0.620
CHELPG        
AIM        
ESP 0.001 -0.001 -0.624 0.624


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.386 0.000 0.000
y 0.000 -38.386 0.000
z 0.000 0.000 -34.479
Traceless
 xyz
x -1.954 0.000 0.000
y 0.000 -1.954 0.000
z 0.000 0.000 3.907
Polar
3z2-r27.814
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> 174.738
(<r2>)1/2 13.219