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

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-210.203483
Energy at 298.15K-210.210609
HF Energy-210.203483
Nuclear repulsion energy159.461265
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 LSDA/6-31+G**
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' 3090 3044 8.50      
2 A' 3080 3034 16.88      
3 A' 2991 2946 14.37      
4 A' 2970 2926 1.73      
5 A' 2310 2275 15.81      
6 A' 1446 1424 17.42      
7 A' 1434 1413 16.74      
8 A' 1358 1337 9.22      
9 A' 1295 1275 4.86      
10 A' 1156 1138 2.54      
11 A' 1081 1064 5.13      
12 A' 934 920 3.53      
13 A' 782 770 0.42      
14 A' 543 535 1.41      
15 A' 343 338 0.15      
16 A' 280 276 0.59      
17 A' 212 209 2.04      
18 A" 3091 3044 6.96      
19 A" 3079 3033 0.00      
20 A" 2990 2945 11.89      
21 A" 1420 1399 7.27      
22 A" 1418 1397 0.47      
23 A" 1336 1316 15.09      
24 A" 1260 1241 0.04      
25 A" 1122 1105 2.03      
26 A" 947 933 0.59      
27 A" 900 886 3.64      
28 A" 558 549 0.11      
29 A" 225 222 0.02      
30 A" 176 173 4.25      

Unscaled Zero Point Vibrational Energy (zpe) 21911.9 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 21583.2 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 LSDA/6-31+G**
ABC
0.26906 0.13295 0.09766

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.408 -2.173 0.000
C2 0.025 -1.071 0.000
C3 -0.438 0.306 0.000
C4 0.025 1.022 1.260
C5 0.025 1.022 -1.260
H6 -1.546 0.263 0.000
H7 -0.372 2.051 1.268
H8 -0.317 0.508 2.173
H9 1.126 1.078 1.289
H10 -0.372 2.051 -1.268
H11 -0.317 0.508 -2.173
H12 1.126 1.078 -1.289

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16782.61983.45653.45653.12384.47923.52693.57074.47923.52693.5707
C21.16781.45212.44292.44292.06073.39272.70752.73723.39272.70752.7372
C32.61981.45211.52171.52171.10892.15832.18552.16882.15832.18552.1688
C43.45652.44291.52172.52102.15201.10281.10141.10312.75873.48832.7778
C53.45652.44291.52172.52102.15202.75873.48832.77781.10281.10141.1031
H63.12382.06071.10892.15202.15202.48652.50833.07652.48652.50833.0765
H74.47923.39272.15831.10282.75872.48651.78921.78612.53663.77153.1193
H83.52692.70752.18551.10143.48832.50831.78921.78553.77154.34563.7936
H93.57072.73722.16881.10312.77783.07651.78611.78553.11933.79362.5781
H104.47923.39272.15832.75871.10282.48652.53663.77153.11931.78921.7861
H113.52692.70752.18553.48831.10142.50833.77154.34563.79361.78921.7855
H123.57072.73722.16882.77781.10313.07653.11933.79362.57811.78611.7855

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 179.378 C2 C3 C4 110.444
C2 C3 C5 110.444 C2 C3 H6 106.374
C3 C4 H7 109.614 C3 C4 H8 111.858
C3 C4 H9 110.420 C3 C5 H10 109.614
C3 C5 H11 111.858 C3 C5 H12 110.420
C4 C3 C5 111.856 C4 C3 H6 108.770
C5 C3 H6 108.770 H7 C4 H8 108.536
H7 C4 H9 108.135 H8 C4 H9 108.179
H10 C5 H11 108.536 H10 C5 H12 108.135
H11 C5 H12 108.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.495      
2 C 0.269      
3 C -0.017      
4 C -0.595      
5 C -0.595      
6 H 0.223      
7 H 0.194      
8 H 0.205      
9 H 0.206      
10 H 0.194      
11 H 0.205      
12 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.229 4.037 0.000 4.220
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.061 1.836 0.000
y 1.836 -40.064 0.000
z 0.000 0.000 -30.390
Traceless
 xyz
x 4.167 1.836 0.000
y 1.836 -9.338 0.000
z 0.000 0.000 5.172
Polar
3z2-r210.344
x2-y29.003
xy1.836
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.625 -0.702 0.000
y -0.702 9.553 0.000
z 0.000 0.000 7.300


<r2> (average value of r2) Å2
<r2> 128.280
(<r2>)1/2 11.326