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

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-211.159540
Energy at 298.15K-211.166822
HF Energy-210.919781
Nuclear repulsion energy158.700174
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 B2PLYP/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' 3183 3183 21.28      
2 A' 3177 3177 36.18      
3 A' 3093 3093 15.94      
4 A' 3087 3087 4.83      
5 A' 2298 2298 1.74      
6 A' 1547 1547 8.14      
7 A' 1538 1538 6.51      
8 A' 1458 1458 1.94      
9 A' 1375 1375 7.02      
10 A' 1217 1217 2.48      
11 A' 1146 1146 4.51      
12 A' 946 946 0.56      
13 A' 781 781 0.69      
14 A' 552 552 1.13      
15 A' 357 357 0.21      
16 A' 291 291 0.79      
17 A' 222 222 2.34      
18 A" 3182 3182 13.43      
19 A" 3173 3173 0.37      
20 A" 3090 3090 15.63      
21 A" 1527 1527 2.75      
22 A" 1525 1525 0.50      
23 A" 1436 1436 2.20      
24 A" 1353 1353 0.68      
25 A" 1151 1151 2.06      
26 A" 991 991 0.20      
27 A" 956 956 1.83      
28 A" 568 568 0.04      
29 A" 235 235 0.01      
30 A" 186 186 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 22820.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22820.2 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 B2PLYP/6-31G**
ABC
0.26500 0.13110 0.09604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.189 0.000
C2 0.027 -1.084 0.000
C3 -0.440 0.312 0.000
C4 0.027 1.032 1.275
C5 0.027 1.032 -1.275
H6 -1.534 0.274 0.000
H7 -0.364 2.051 1.284
H8 -0.324 0.519 2.170
H9 1.116 1.080 1.311
H10 -0.364 2.051 -1.284
H11 -0.324 0.519 -2.170
H12 1.116 1.080 -1.311

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16822.64033.48503.48503.13544.49663.54623.59374.49663.54623.5937
C21.16821.47212.47052.47052.06903.41032.72072.75533.41032.72072.7553
C32.64031.47211.53631.53631.09512.16262.18302.17462.16262.18302.1746
C43.48502.47051.53632.54932.15281.09131.09021.09112.78123.50052.8062
C53.48502.47051.53632.54932.15282.78123.50052.80621.09131.09021.0911
H63.13542.06901.09512.15282.15282.48472.49663.06462.48472.49663.0646
H74.49663.41032.16261.09132.78122.48471.77081.77002.56713.77863.1407
H83.54622.72072.18301.09023.50052.49661.77081.76863.77864.34043.8090
H93.59372.75532.17461.09112.80623.06461.77001.76863.14073.80902.6220
H104.49663.41032.16262.78121.09132.48472.56713.77863.14071.77081.7700
H113.54622.72072.18303.50051.09022.49663.77864.34043.80901.77081.7686
H123.59372.75532.17462.80621.09113.06463.14073.80902.62201.77001.7686

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 179.523 C2 C3 C4 110.393
C2 C3 C5 110.393 C2 C3 H6 106.473
C3 C4 H7 109.618 C3 C4 H8 111.301
C3 C4 H9 110.569 C3 C5 H10 109.618
C3 C5 H11 111.301 C3 C5 H12 110.569
C4 C3 C5 112.132 C4 C3 H6 108.628
C5 C3 H6 108.628 H7 C4 H8 108.533
H7 C4 H9 108.396 H8 C4 H9 108.348
H10 C5 H11 108.533 H10 C5 H12 108.396
H11 C5 H12 108.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.433      
2 C 0.305      
3 C -0.153      
4 C -0.313      
5 C -0.313      
6 H 0.152      
7 H 0.119      
8 H 0.130      
9 H 0.128      
10 H 0.119      
11 H 0.130      
12 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.102 3.740 0.000 3.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.465 1.759 0.000
y 1.759 -39.032 0.000
z 0.000 0.000 -29.933
Traceless
 xyz
x 4.017 1.759 0.000
y 1.759 -8.833 0.000
z 0.000 0.000 4.816
Polar
3z2-r29.632
x2-y28.567
xy1.759
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.526 -0.636 0.000
y -0.636 8.000 0.000
z 0.000 0.000 6.053


<r2> (average value of r2) Å2
<r2> 129.324
(<r2>)1/2 11.372