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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-211.345660
Energy at 298.15K-211.352931
HF Energy-211.345660
Nuclear repulsion energy159.239288
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 B3PW91/6-311G*
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' 3136 3019 27.27      
2 A' 3130 3013 40.89      
3 A' 3053 2939 19.26      
4 A' 3044 2931 4.35      
5 A' 2360 2272 9.77      
6 A' 1524 1467 14.24      
7 A' 1514 1457 10.51      
8 A' 1431 1377 4.60      
9 A' 1359 1309 5.25      
10 A' 1199 1154 3.92      
11 A' 1133 1090 5.45      
12 A' 939 904 0.99      
13 A' 778 749 0.61      
14 A' 558 537 1.34      
15 A' 353 340 0.19      
16 A' 288 277 0.93      
17 A' 223 215 1.84      
18 A" 3135 3018 15.24      
19 A" 3126 3009 0.83      
20 A" 3050 2936 19.48      
21 A" 1501 1445 4.76      
22 A" 1500 1444 0.62      
23 A" 1409 1356 6.49      
24 A" 1326 1276 0.24      
25 A" 1138 1096 2.46      
26 A" 978 941 0.22      
27 A" 942 907 2.49      
28 A" 581 560 0.02      
29 A" 228 220 0.01      
30 A" 191 183 4.50      

Unscaled Zero Point Vibrational Energy (zpe) 22561.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 21720.3 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 B3PW91/6-311G*
ABC
0.26514 0.13264 0.09683

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.400 -2.174 0.000
C2 0.027 -1.082 0.000
C3 -0.435 0.307 0.000
C4 0.027 1.026 1.274
C5 0.027 1.026 -1.274
H6 -1.531 0.268 0.000
H7 -0.367 2.046 1.287
H8 -0.323 0.513 2.172
H9 1.117 1.081 1.317
H10 -0.367 2.046 -1.287
H11 -0.323 0.513 -2.172
H12 1.117 1.081 -1.317

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15372.61773.46433.46433.11294.47773.52963.58334.47773.52963.5833
C21.15371.46402.46332.46332.06143.40522.71732.75703.40522.71732.7570
C32.61771.46401.53391.53391.09742.16422.18442.17752.16422.18442.1775
C43.46432.46331.53392.54792.15101.09321.09191.09282.78443.50142.8115
C53.46432.46331.53392.54792.15102.78443.50142.81151.09321.09191.0928
H63.11292.06141.09742.15102.15102.48502.49733.06782.48502.49733.0678
H74.47773.40522.16421.09322.78442.48501.77061.77072.57393.78363.1487
H83.52962.71732.18441.09193.50142.49731.77061.76893.78364.34373.8170
H93.58332.75702.17751.09282.81153.06781.77071.76893.14873.81702.6338
H104.47773.40522.16422.78441.09322.48502.57393.78363.14871.77061.7707
H113.52962.71732.18443.50141.09192.49733.78364.34373.81701.77061.7689
H123.58332.75702.17752.81151.09283.06783.14873.81702.63381.77071.7689

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 179.503 C2 C3 C4 110.481
C2 C3 C5 110.481 C2 C3 H6 106.298
C3 C4 H7 109.797 C3 C4 H8 111.481
C3 C4 H9 110.874 C3 C5 H10 109.797
C3 C5 H11 111.481 C3 C5 H12 110.874
C4 C3 C5 112.310 C4 C3 H6 108.525
C5 C3 H6 108.525 H7 C4 H8 108.254
H7 C4 H9 108.202 H8 C4 H9 108.131
H10 C5 H11 108.254 H10 C5 H12 108.202
H11 C5 H12 108.131
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.278      
2 C 0.175      
3 C -0.325      
4 C -0.635      
5 C -0.635      
6 H 0.262      
7 H 0.233      
8 H 0.246      
9 H 0.239      
10 H 0.233      
11 H 0.246      
12 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.151 3.853 0.000 4.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.508 1.692 0.000
y 1.692 -39.191 0.000
z 0.000 0.000 -30.062
Traceless
 xyz
x 4.118 1.692 0.000
y 1.692 -8.906 0.000
z 0.000 0.000 4.787
Polar
3z2-r29.575
x2-y28.683
xy1.692
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.881 -0.609 0.000
y -0.609 8.419 0.000
z 0.000 0.000 6.589


<r2> (average value of r2) Å2
<r2> 128.657
(<r2>)1/2 11.343