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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-233.240174
Energy at 298.15K-233.249766
Nuclear repulsion energy225.893847
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 B3PW91/3-21G*
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 3500 3358 58.12      
2 A1 3135 3008 49.37      
3 A1 3058 2934 19.25      
4 A1 2236 2145 2.62      
5 A1 1572 1508 12.33      
6 A1 1466 1406 3.28      
7 A1 1293 1240 31.98      
8 A1 900 863 1.71      
9 A1 696 667 0.88      
10 A1 382 366 0.58      
11 A2 3139 3012 0.00      
12 A2 1532 1470 0.00      
13 A2 1001 960 0.00      
14 A2 235 226 0.00      
15 E 3143 3016 28.78      
15 E 3143 3016 28.78      
16 E 3129 3002 4.80      
16 E 3129 3002 4.80      
17 E 3052 2928 17.34      
17 E 3052 2928 17.35      
18 E 1556 1493 9.41      
18 E 1556 1493 9.41      
19 E 1540 1478 1.18      
19 E 1540 1478 1.18      
20 E 1436 1378 12.98      
20 E 1436 1378 12.98      
21 E 1252 1201 8.90      
21 E 1252 1201 8.90      
22 E 1081 1037 0.01      
22 E 1081 1037 0.01      
23 E 955 916 1.29      
23 E 955 916 1.29      
24 E 746 716 47.82      
24 E 746 716 47.82      
25 E 577 553 10.75      
25 E 577 553 10.75      
26 E 359 344 1.00      
26 E 359 344 1.00      
27 E 283 271 0.00      
27 E 283 271 0.00      
28 E 188 180 1.07      
28 E 188 180 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 31367.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 30094.1 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 B3PW91/3-21G*
ABC
0.15053 0.08924 0.08924

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.172
C2 0.000 0.000 -0.300
C3 0.000 1.460 -0.808
C4 1.265 -0.730 -0.808
C5 -1.265 -0.730 -0.808
C6 0.000 0.000 2.381
H7 0.000 0.000 3.443
H8 0.000 1.467 -1.905
H9 1.270 -0.733 -1.905
H10 -1.270 -0.733 -1.905
H11 -0.891 1.988 -0.450
H12 0.891 1.988 -0.450
H13 2.167 -0.223 -0.450
H14 1.276 -1.766 -0.450
H15 -1.276 -1.766 -0.450
H16 -2.167 -0.223 -0.450

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.47192.46022.46022.46021.20872.27153.40873.40873.40872.71602.71602.71602.71602.71602.7160
C21.47191.54631.54631.54632.68063.74342.17442.17442.17442.18372.18372.18372.18372.18372.1837
C32.46021.54632.52962.52963.50714.49521.09722.76232.76231.09551.09552.76713.48773.48772.7671
C42.46021.54632.52962.52963.50714.49522.76231.09722.76233.48772.76711.09551.09552.76713.4877
C52.46021.54632.52962.52963.50714.49522.76232.76231.09722.76713.48773.48772.76711.09551.0955
C61.20872.68063.50713.50713.50711.06284.52984.52984.52983.57183.57183.57183.57183.57183.5718
H72.27153.74344.49524.49524.49521.06285.54605.54605.54604.46144.46144.46144.46144.46144.4614
H83.40872.17441.09722.76232.76234.52985.54602.54062.54061.78411.78413.10933.76763.76763.1093
H93.40872.17442.76231.09722.76234.52985.54602.54062.54063.76763.10931.78411.78413.10933.7676
H103.40872.17442.76232.76231.09724.52985.54602.54062.54063.10933.76763.76763.10931.78411.7841
H112.71602.18371.09553.48772.76713.57184.46141.78413.76763.10931.78173.77344.33433.77342.5526
H122.71602.18371.09552.76713.48773.57184.46141.78413.10933.76761.78172.55263.77344.33433.7734
H132.71602.18372.76711.09553.48773.57184.46143.10931.78413.76763.77342.55261.78173.77344.3343
H142.71602.18373.48771.09552.76713.57184.46143.76761.78413.10934.33433.77341.78172.55263.7734
H152.71602.18373.48772.76711.09553.57184.46143.76763.10931.78413.77344.33433.77342.55261.7817
H162.71602.18372.76713.48771.09553.57184.46143.10933.76761.78412.55263.77344.33433.77341.7817

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 109.177 C1 C2 C4 109.177
C1 C2 C5 109.177 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.508
C2 C3 H11 110.337 C2 C3 H12 110.337
C2 C4 H9 109.508 C2 C4 H13 110.337
C2 C4 H14 110.337 C2 C5 H10 109.508
C2 C5 H15 110.337 C2 C5 H16 110.337
C3 C2 C4 109.764 C3 C2 C5 109.764
C4 C2 C5 109.764 H8 C3 H11 108.904
H8 C3 H12 108.904 H9 C4 H13 108.904
H9 C4 H14 108.904 H10 C5 H15 108.904
H10 C5 H16 108.904 H11 C3 H12 108.817
H13 C4 H14 108.817 H15 C5 H16 108.817
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.238      
2 C -0.399      
3 C -0.542      
4 C -0.542      
5 C -0.542      
6 C -0.410      
7 H 0.269      
8 H 0.206      
9 H 0.206      
10 H 0.206      
11 H 0.219      
12 H 0.219      
13 H 0.219      
14 H 0.219      
15 H 0.219      
16 H 0.219      


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 -0.678 0.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.705 0.000 0.000
y 0.000 -38.705 0.000
z 0.000 0.000 -34.615
Traceless
 xyz
x -2.045 0.000 0.000
y 0.000 -2.045 0.000
z 0.000 0.000 4.090
Polar
3z2-r28.180
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> 175.138
(<r2>)1/2 13.234