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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-211.104699
Energy at 298.15K-211.111814
HF Energy-211.104699
Nuclear repulsion energy157.939204
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 PBEPBE/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' 3088 3046 17.11      
2 A' 3081 3039 29.38      
3 A' 2997 2956 15.78      
4 A' 2974 2933 4.88      
5 A' 2276 2244 7.28      
6 A' 1476 1455 9.00      
7 A' 1465 1445 8.14      
8 A' 1382 1363 2.18      
9 A' 1304 1286 5.96      
10 A' 1160 1144 3.17      
11 A' 1091 1076 4.86      
12 A' 914 902 1.82      
13 A' 761 750 0.36      
14 A' 538 531 1.28      
15 A' 342 338 0.14      
16 A' 278 274 0.67      
17 A' 213 210 1.81      
18 A" 3087 3045 11.38      
19 A" 3078 3036 0.50      
20 A" 2995 2954 14.76      
21 A" 1453 1433 2.80      
22 A" 1451 1431 1.14      
23 A" 1360 1342 3.49      
24 A" 1277 1259 0.84      
25 A" 1101 1086 2.59      
26 A" 948 935 0.21      
27 A" 912 899 2.62      
28 A" 555 547 0.11      
29 A" 224 221 0.01      
30 A" 180 177 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 21979.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21678.0 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 PBEPBE/6-31G**
ABC
0.26221 0.13021 0.09528

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.197 0.000
C2 0.026 -1.086 0.000
C3 -0.438 0.310 0.000
C4 0.026 1.035 1.281
C5 0.026 1.035 -1.281
H6 -1.544 0.271 0.000
H7 -0.372 2.062 1.289
H8 -0.325 0.517 2.186
H9 1.126 1.090 1.319
H10 -0.372 2.062 -1.289
H11 -0.325 0.517 -2.186
H12 1.126 1.090 -1.319

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17392.64553.49763.49763.14584.51773.56093.61464.51773.56093.6146
C21.17391.47162.47832.47832.07603.42562.73372.77253.42562.73372.7725
C32.64551.47161.54341.54341.10702.17632.19872.18952.17632.19872.1895
C43.49762.47831.54342.56202.16591.10161.10031.10142.79653.52302.8238
C53.49762.47831.54342.56202.16592.79653.52302.82381.10161.10031.1014
H63.14582.07601.10702.16592.16592.49872.51513.08862.49872.51513.0886
H74.51773.42562.17631.10162.79652.49871.78701.78582.57873.80363.1613
H83.56092.73372.19871.10033.52302.51511.78701.78423.80364.37193.8367
H93.61462.77252.18951.10142.82383.08861.78581.78423.16133.83672.6388
H104.51773.42562.17632.79651.10162.49872.57873.80363.16131.78701.7858
H113.56092.73372.19873.52301.10032.51513.80364.37193.83671.78701.7842
H123.61462.77252.18952.82381.10143.08863.16133.83672.63881.78581.7842

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 179.517 C2 C3 C4 110.545
C2 C3 C5 110.545 C2 C3 H6 106.372
C3 C4 H7 109.603 C3 C4 H8 111.437
C3 C4 H9 110.644 C3 C5 H10 109.603
C3 C5 H11 111.437 C3 C5 H12 110.644
C4 C3 C5 112.195 C4 C3 H6 108.485
C5 C3 H6 108.485 H7 C4 H8 108.497
H7 C4 H9 108.311 H8 C4 H9 108.265
H10 C5 H11 108.497 H10 C5 H12 108.311
H11 C5 H12 108.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.468      
2 C 0.354      
3 C -0.182      
4 C -0.354      
5 C -0.354      
6 H 0.165      
7 H 0.132      
8 H 0.144      
9 H 0.143      
10 H 0.132      
11 H 0.144      
12 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.086 3.741 0.000 3.896
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.203 1.698 0.000
y 1.698 -38.549 0.000
z 0.000 0.000 -29.573
Traceless
 xyz
x 3.858 1.698 0.000
y 1.698 -8.661 0.000
z 0.000 0.000 4.804
Polar
3z2-r29.607
x2-y28.346
xy1.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.707 -0.683 0.000
y -0.683 8.468 0.000
z 0.000 0.000 6.353


<r2> (average value of r2) Å2
<r2> 130.049
(<r2>)1/2 11.404