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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-211.285605
Energy at 298.15K-211.292844
HF Energy-211.285605
Nuclear repulsion energy159.615021
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 B1B95/6-31G(2df,p)
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' 3171 3037 16.19      
2 A' 3164 3030 27.63      
3 A' 3076 2946 14.83      
4 A' 3071 2941 3.07      
5 A' 2390 2289 9.77      
6 A' 1509 1445 8.07      
7 A' 1498 1435 8.00      
8 A' 1417 1357 2.27      
9 A' 1346 1289 6.86      
10 A' 1195 1145 2.49      
11 A' 1123 1076 4.18      
12 A' 944 904 1.06      
13 A' 783 749 0.63      
14 A' 556 532 1.39      
15 A' 343 328 0.27      
16 A' 282 270 1.16      
17 A' 220 211 2.12      
18 A" 3170 3036 10.02      
19 A" 3162 3028 0.35      
20 A" 3075 2945 14.51      
21 A" 1487 1424 3.07      
22 A" 1485 1422 0.45      
23 A" 1396 1337 3.09      
24 A" 1319 1263 0.56      
25 A" 1142 1093 1.85      
26 A" 976 935 0.40      
27 A" 932 892 2.10      
28 A" 579 554 0.03      
29 A" 225 215 0.01      
30 A" 189 181 4.80      

Unscaled Zero Point Vibrational Energy (zpe) 22611.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 21655.0 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 B1B95/6-31G(2df,p)
ABC
0.26697 0.13316 0.09735

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.400 -2.169 0.000
C2 0.027 -1.079 0.000
C3 -0.437 0.308 0.000
C4 0.027 1.024 1.269
C5 0.027 1.024 -1.269
H6 -1.531 0.268 0.000
H7 -0.363 2.043 1.278
H8 -0.322 0.511 2.165
H9 1.116 1.074 1.306
H10 -0.363 2.043 -1.278
H11 -0.322 0.511 -2.165
H12 1.116 1.074 -1.306

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15292.61493.45683.45683.10934.46763.52033.56854.46763.52033.5685
C21.15291.46202.45632.45632.05883.39562.70842.74283.39562.70842.7428
C32.61491.46201.52961.52961.09452.15632.17752.16852.15632.17752.1685
C43.45682.45631.52962.53892.14711.09091.08961.09072.77163.49012.7964
C53.45682.45631.52962.53892.14712.77163.49012.79641.09091.08961.0907
H63.10932.05881.09452.14712.14712.47942.49143.05922.47942.49143.0592
H74.46763.39562.15631.09092.77162.47941.77031.76882.55703.76913.1315
H83.52032.70842.17751.08963.49012.49141.77031.76723.76914.33003.7987
H93.56852.74282.16851.09072.79643.05921.76881.76723.13153.79872.6114
H104.46763.39562.15632.77161.09092.47942.55703.76913.13151.77031.7688
H113.52032.70842.17753.49011.08962.49143.76914.33003.79871.77031.7672
H123.56852.74282.16852.79641.09073.05923.13153.79872.61141.76881.7672

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 179.604 C2 C3 C4 110.359
C2 C3 C5 110.359 C2 C3 H6 106.393
C3 C4 H7 109.606 C3 C4 H8 111.365
C3 C4 H9 110.585 C3 C5 H10 109.606
C3 C5 H11 111.365 C3 C5 H12 110.585
C4 C3 C5 112.178 C4 C3 H6 108.677
C5 C3 H6 108.677 H7 C4 H8 108.561
H7 C4 H9 108.352 H8 C4 H9 108.294
H10 C5 H11 108.561 H10 C5 H12 108.352
H11 C5 H12 108.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.333      
2 C 0.280      
3 C -0.163      
4 C -0.408      
5 C -0.408      
6 H 0.150      
7 H 0.138      
8 H 0.152      
9 H 0.150      
10 H 0.138      
11 H 0.152      
12 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.123 3.803 0.000 3.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.930 1.717 0.000
y 1.717 -38.472 0.000
z 0.000 0.000 -29.451
Traceless
 xyz
x 4.032 1.717 0.000
y 1.717 -8.781 0.000
z 0.000 0.000 4.749
Polar
3z2-r29.499
x2-y28.542
xy1.717
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.761 -0.581 0.000
y -0.581 8.242 0.000
z 0.000 0.000 6.439


<r2> (average value of r2) Å2
<r2> 127.673
(<r2>)1/2 11.299