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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-234.559947
Energy at 298.15K-234.569336
Nuclear repulsion energy226.383119
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 mPW1PW91/aug-cc-pVDZ
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 3503 3357 69.64      
2 A1 3146 3014 57.18      
3 A1 3061 2933 26.64      
4 A1 2229 2136 12.82      
5 A1 1503 1441 7.93      
6 A1 1416 1357 1.52      
7 A1 1276 1223 22.13      
8 A1 909 871 1.71      
9 A1 711 681 0.51      
10 A1 384 368 0.08      
11 A2 3151 3020 0.00      
12 A2 1458 1397 0.00      
13 A2 959 919 0.00      
14 A2 211 203 0.00      
15 E 3155 3023 33.42      
15 E 3155 3023 33.42      
16 E 3140 3009 4.53      
16 E 3140 3009 4.54      
17 E 3055 2927 22.99      
17 E 3055 2927 22.98      
18 E 1484 1422 7.76      
18 E 1484 1422 7.75      
19 E 1468 1407 0.17      
19 E 1468 1407 0.17      
20 E 1383 1326 9.75      
20 E 1383 1326 9.76      
21 E 1237 1186 5.11      
21 E 1237 1186 5.11      
22 E 1047 1004 0.13      
22 E 1047 1004 0.13      
23 E 946 906 0.70      
23 E 945 906 0.70      
24 E 639 613 48.84      
24 E 639 613 48.87      
25 E 551 528 4.67      
25 E 551 528 4.67      
26 E 359 344 0.59      
26 E 359 344 0.59      
27 E 276 265 0.00      
27 E 276 265 0.00      
28 E 174 167 0.80      
28 E 174 167 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 30872.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 29584.6 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 mPW1PW91/aug-cc-pVDZ
ABC
0.15169 0.08960 0.08960

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.168
C2 0.000 0.000 -0.302
C3 0.000 1.452 -0.805
C4 1.258 -0.726 -0.805
C5 -1.258 -0.726 -0.805
C6 0.000 0.000 2.379
H7 0.000 0.000 3.447
H8 0.000 1.466 -1.903
H9 1.270 -0.733 -1.903
H10 -1.270 -0.733 -1.903
H11 -0.888 1.989 -0.452
H12 0.888 1.989 -0.452
H13 2.167 -0.226 -0.452
H14 1.279 -1.763 -0.452
H15 -1.279 -1.763 -0.452
H16 -2.167 -0.226 -0.452

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.46962.44992.44992.44991.21142.27983.40283.40283.40282.71452.71452.71452.71452.71452.7145
C21.46961.53711.53711.53712.68103.74942.17092.17092.17092.18362.18362.18362.18362.18362.1836
C32.44991.53712.51552.51553.49994.49391.09782.75562.75561.09611.09612.76343.47893.47892.7634
C42.44991.53712.51552.51553.49994.49392.75561.09782.75563.47892.76341.09611.09612.76343.4789
C52.44991.53712.51552.51553.49994.49392.75562.75561.09782.76343.47893.47892.76341.09611.0961
C61.21142.68103.49993.49993.49991.06844.52614.52614.52613.57203.57203.57203.57203.57203.5720
H72.27983.74944.49394.49394.49391.06845.54775.54775.54774.46654.46654.46654.46654.46654.4665
H83.40282.17091.09782.75562.75564.52615.54772.53942.53941.77991.77993.10873.76473.76473.1087
H93.40282.17092.75561.09782.75564.52615.54772.53942.53943.76473.10871.77991.77993.10873.7647
H103.40282.17092.75562.75561.09784.52615.54772.53942.53943.10873.76473.76473.10871.77991.7799
H112.71452.18361.09613.47892.76343.57204.46651.77993.76473.10871.77543.77334.33353.77332.5581
H122.71452.18361.09612.76343.47893.57204.46651.77993.10873.76471.77542.55813.77334.33353.7733
H132.71452.18362.76341.09613.47893.57204.46653.10871.77993.76473.77332.55811.77543.77334.3335
H142.71452.18363.47891.09612.76343.57204.46653.76471.77993.10874.33353.77331.77542.55813.7733
H152.71452.18363.47892.76341.09613.57204.46653.76473.10871.77993.77334.33353.77332.55811.7754
H162.71452.18362.76343.47891.09613.57204.46653.10873.76471.77992.55813.77334.33353.77331.7754

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 109.115 C1 C2 C4 109.115
C1 C2 C5 109.115 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 109.833
C2 C3 H11 110.938 C2 C3 H12 110.938
C2 C4 H9 109.833 C2 C4 H13 110.938
C2 C4 H14 110.938 C2 C5 H10 109.833
C2 C5 H15 110.938 C2 C5 H16 110.938
C3 C2 C4 109.825 C3 C2 C5 109.825
C4 C2 C5 109.825 H8 C3 H11 108.445
H8 C3 H12 108.445 H9 C4 H13 108.445
H9 C4 H14 108.445 H10 C5 H15 108.445
H10 C5 H16 108.445 H11 C3 H12 108.162
H13 C4 H14 108.162 H15 C5 H16 108.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.236      
2 C -3.043      
3 C 1.167      
4 C 1.167      
5 C 1.167      
6 C 0.814      
7 H -0.684      
8 H -0.088      
9 H -0.088      
10 H -0.088      
11 H -0.094      
12 H -0.094      
13 H -0.094      
14 H -0.094      
15 H -0.094      
16 H -0.094      


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 -0.765 0.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.507 0.000 0.000
y 0.000 -39.507 0.000
z 0.000 0.000 -35.525
Traceless
 xyz
x -1.991 0.000 0.000
y 0.000 -1.991 0.000
z 0.000 0.000 3.983
Polar
3z2-r27.966
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 9.908 0.000 0.000
y 0.000 9.907 0.000
z 0.000 0.000 13.046


<r2> (average value of r2) Å2
<r2> 175.072
(<r2>)1/2 13.231