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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-211.290575
Energy at 298.15K-211.297681
HF Energy-211.290575
Nuclear repulsion energy157.626575
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 BLYP/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' 3052 3035 22.98      
2 A' 3046 3029 36.03      
3 A' 2975 2959 16.92      
4 A' 2946 2930 6.77      
5 A' 2255 2243 6.19      
6 A' 1474 1466 6.17      
7 A' 1463 1455 5.31      
8 A' 1385 1378 0.72      
9 A' 1306 1299 6.84      
10 A' 1157 1151 2.58      
11 A' 1095 1089 3.25      
12 A' 893 888 0.67      
13 A' 745 741 0.42      
14 A' 536 533 1.04      
15 A' 341 339 0.22      
16 A' 275 274 1.06      
17 A' 214 213 1.81      
18 A" 3051 3034 13.96      
19 A" 3042 3025 0.70      
20 A" 2972 2956 16.76      
21 A" 1453 1445 1.72      
22 A" 1450 1442 1.03      
23 A" 1363 1355 0.57      
24 A" 1279 1272 1.27      
25 A" 1082 1076 2.78      
26 A" 941 935 0.00      
27 A" 912 907 1.39      
28 A" 555 552 0.01      
29 A" 216 215 0.02      
30 A" 185 184 4.22      

Unscaled Zero Point Vibrational Energy (zpe) 21829.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 21709.3 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 BLYP/6-31G(2df,p)
ABC
0.25952 0.12992 0.09478

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.404 -2.197 0.000
C2 0.027 -1.091 0.000
C3 -0.438 0.307 0.000
C4 0.027 1.038 1.289
C5 0.027 1.038 -1.289
H6 -1.543 0.274 0.000
H7 -0.373 2.064 1.298
H8 -0.325 0.519 2.192
H9 1.126 1.094 1.331
H10 -0.373 2.064 -1.298
H11 -0.325 0.519 -2.192
H12 1.126 1.094 -1.331

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16852.64273.50333.50333.14584.52133.56533.62254.52133.56533.6225
C21.16851.47422.48942.48942.08053.43472.74212.78413.43472.74212.7841
C32.64271.47421.55341.55341.10502.18452.20462.19872.18452.20462.1987
C43.50332.48941.55342.57852.17071.10061.09941.10042.81123.53702.8413
C53.50332.48941.55342.57852.17072.81123.53702.84131.10061.09941.1004
H63.14582.08051.10502.17072.17072.50132.51903.09242.50132.51903.0924
H74.52133.43472.18451.10062.81122.50131.78571.78502.59503.81623.1768
H83.56532.74212.20461.09943.53702.51901.78571.78253.81624.38323.8525
H93.62252.78412.19871.10042.84133.09241.78501.78253.17683.85252.6612
H104.52133.43472.18452.81121.10062.50132.59503.81623.17681.78571.7850
H113.56532.74212.20463.53701.09942.51903.81624.38323.85251.78571.7825
H123.62252.78412.19872.84131.10043.09243.17683.85252.66121.78501.7825

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 179.609 C2 C3 C4 110.590
C2 C3 C5 110.590 C2 C3 H6 106.660
C3 C4 H7 109.608 C3 C4 H8 111.263
C3 C4 H9 110.736 C3 C5 H10 109.608
C3 C5 H11 111.263 C3 C5 H12 110.736
C4 C3 C5 112.188 C4 C3 H6 108.301
C5 C3 H6 108.301 H7 C4 H8 108.524
H7 C4 H9 108.384 H8 C4 H9 108.247
H10 C5 H11 108.524 H10 C5 H12 108.384
H11 C5 H12 108.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.341      
2 C 0.290      
3 C -0.081      
4 C -0.343      
5 C -0.343      
6 H 0.109      
7 H 0.109      
8 H 0.122      
9 H 0.123      
10 H 0.109      
11 H 0.122      
12 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.092 3.720 0.000 3.877
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.297 1.733 0.000
y 1.733 -38.858 0.000
z 0.000 0.000 -29.805
Traceless
 xyz
x 4.035 1.733 0.000
y 1.733 -8.807 0.000
z 0.000 0.000 4.772
Polar
3z2-r29.545
x2-y28.562
xy1.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.909 -0.619 0.000
y -0.619 8.603 0.000
z 0.000 0.000 6.672


<r2> (average value of r2) Å2
<r2> 130.745
(<r2>)1/2 11.434