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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-211.139046
Energy at 298.15K-211.146310
HF Energy-211.139046
Nuclear repulsion energy159.100900
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 HSEh1PBE/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 A' 3175 3019 18.24      
2 A' 3168 3013 31.91      
3 A' 3084 2933 15.96      
4 A' 3072 2922 4.18      
5 A' 2391 2274 9.73      
6 A' 1537 1462 10.89      
7 A' 1527 1453 9.26      
8 A' 1447 1376 3.53      
9 A' 1369 1302 6.26      
10 A' 1210 1151 3.19      
11 A' 1140 1084 5.80      
12 A' 952 905 1.27      
13 A' 788 750 0.61      
14 A' 560 533 1.44      
15 A' 354 337 0.20      
16 A' 289 275 0.91      
17 A' 222 212 2.15      
18 A" 3174 3018 12.12      
19 A" 3165 3010 0.41      
20 A" 3082 2931 15.41      
21 A" 1515 1441 4.15      
22 A" 1513 1439 0.29      
23 A" 1425 1355 5.05      
24 A" 1339 1273 0.38      
25 A" 1152 1096 1.91      
26 A" 987 939 0.37      
27 A" 948 902 2.63      
28 A" 580 551 0.01      
29 A" 231 219 0.01      
30 A" 188 179 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 22791.4 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 21674.7 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 HSEh1PBE/6-31G*
ABC
0.26575 0.13220 0.09674

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.404 -2.178 0.000
C2 0.027 -1.081 0.000
C3 -0.438 0.309 0.000
C4 0.027 1.027 1.272
C5 0.027 1.027 -1.272
H6 -1.536 0.271 0.000
H7 -0.366 2.049 1.281
H8 -0.323 0.513 2.171
H9 1.119 1.078 1.308
H10 -0.366 2.049 -1.281
H11 -0.323 0.513 -2.171
H12 1.119 1.078 -1.308

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15942.62593.46883.46883.12404.48343.53343.58164.48343.53343.5816
C21.15941.46652.46252.46252.06673.40532.71662.75153.40532.71662.7515
C32.62591.46651.53271.53271.09852.16182.18402.17482.16182.18402.1748
C43.46882.46251.53272.54372.15221.09471.09351.09442.77803.49892.8026
C53.46882.46251.53272.54372.15222.77803.49892.80261.09471.09351.0944
H63.12402.06671.09852.15222.15222.48452.49903.06852.48452.49903.0685
H74.48343.40532.16181.09472.77802.48451.77561.77452.56273.77923.1393
H83.53342.71662.18401.09353.49892.49901.77561.77333.77924.34283.8091
H93.58162.75152.17481.09442.80263.06851.77451.77333.13933.80912.6169
H104.48343.40532.16182.77801.09472.48452.56273.77923.13931.77561.7745
H113.53342.71662.18403.49891.09352.49903.77924.34283.80911.77561.7733
H123.58162.75152.17482.80261.09443.06853.13933.80912.61691.77451.7733

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.518 C2 C3 C4 110.365
C2 C3 C5 110.365 C2 C3 H6 106.482
C3 C4 H7 109.608 C3 C4 H8 111.434
C3 C4 H9 110.645 C3 C5 H10 109.608
C3 C5 H11 111.434 C3 C5 H12 110.645
C4 C3 C5 112.158 C4 C3 H6 108.638
C5 C3 H6 108.638 H7 C4 H8 108.474
H7 C4 H9 108.310 H8 C4 H9 108.286
H10 C5 H11 108.474 H10 C5 H12 108.310
H11 C5 H12 108.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.477      
2 C 0.362      
3 C -0.227      
4 C -0.509      
5 C -0.509      
6 H 0.218      
7 H 0.183      
8 H 0.196      
9 H 0.192      
10 H 0.183      
11 H 0.196      
12 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.130 3.812 0.000 3.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.143 1.729 0.000
y 1.729 -38.700 0.000
z 0.000 0.000 -29.615
Traceless
 xyz
x 4.014 1.729 0.000
y 1.729 -8.821 0.000
z 0.000 0.000 4.807
Polar
3z2-r29.614
x2-y28.556
xy1.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.520 -0.655 0.000
y -0.655 8.057 0.000
z 0.000 0.000 6.056


<r2> (average value of r2) Å2
<r2> 128.473
(<r2>)1/2 11.335