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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-211.394512
Energy at 298.15K-211.401697
HF Energy-211.394512
Nuclear repulsion energy158.421083
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 TPSSh/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' 3147 3020 28.83      
2 A' 3140 3012 43.57      
3 A' 3063 2939 20.66      
4 A' 3048 2924 6.71      
5 A' 2334 2239 8.29      
6 A' 1551 1488 8.20      
7 A' 1541 1479 6.60      
8 A' 1454 1395 1.38      
9 A' 1363 1308 6.11      
10 A' 1205 1157 2.69      
11 A' 1137 1091 4.68      
12 A' 932 895 0.74      
13 A' 771 740 0.64      
14 A' 547 525 1.21      
15 A' 342 328 0.21      
16 A' 280 269 0.87      
17 A' 217 208 1.98      
18 A" 3146 3018 16.28      
19 A" 3136 3009 1.85      
20 A" 3061 2937 20.43      
21 A" 1531 1469 2.28      
22 A" 1529 1467 0.95      
23 A" 1431 1373 1.25      
24 A" 1336 1281 0.79      
25 A" 1133 1087 2.15      
26 A" 977 937 0.14      
27 A" 943 905 1.99      
28 A" 566 543 0.12      
29 A" 226 217 0.02      
30 A" 184 176 4.37      

Unscaled Zero Point Vibrational Energy (zpe) 22634.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 21716.0 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 TPSSh/6-31G*
ABC
0.26321 0.13093 0.09580

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.408 -2.188 0.000
C2 0.027 -1.087 0.000
C3 -0.441 0.309 0.000
C4 0.027 1.033 1.279
C5 0.027 1.033 -1.279
H6 -1.539 0.273 0.000
H7 -0.369 2.054 1.285
H8 -0.325 0.518 2.177
H9 1.120 1.084 1.315
H10 -0.369 2.054 -1.285
H11 -0.325 0.518 -2.177
H12 1.120 1.084 -1.315

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16542.63793.48703.48703.13794.50023.54983.59784.50023.54983.5978
C21.16541.47252.47602.47602.07383.41662.72752.76333.41662.72752.7633
C32.63791.47251.54251.54251.09822.16802.19032.18312.16802.19032.1831
C43.48702.47601.54252.55832.16001.09501.09371.09452.78773.51232.8154
C53.48702.47601.54252.55832.16002.78773.51232.81541.09501.09371.0945
H63.13792.07381.09822.16002.16002.48862.50473.07492.48862.50473.0749
H74.50023.41662.16801.09502.78772.48861.77761.77682.56903.78773.1486
H83.54982.72752.19031.09373.51232.50471.77761.77533.78774.35463.8215
H93.59782.76332.18311.09452.81543.07491.77681.77533.14863.82152.6300
H104.50023.41662.16802.78771.09502.48862.56903.78773.14861.77761.7768
H113.54982.72752.19033.51231.09372.50473.78774.35463.82151.77761.7753
H123.59782.76332.18312.81541.09453.07493.14863.82152.63001.77681.7753

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 179.468 C2 C3 C4 110.394
C2 C3 C5 110.394 C2 C3 H6 106.640
C3 C4 H7 109.397 C3 C4 H8 111.233
C3 C4 H9 110.607 C3 C5 H10 109.397
C3 C5 H11 111.233 C3 C5 H12 110.607
C4 C3 C5 112.044 C4 C3 H6 108.593
C5 C3 H6 108.593 H7 C4 H8 108.612
H7 C4 H9 108.482 H8 C4 H9 108.443
H10 C5 H11 108.612 H10 C5 H12 108.482
H11 C5 H12 108.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.494      
2 C 0.372      
3 C -0.203      
4 C -0.477      
5 C -0.477      
6 H 0.206      
7 H 0.171      
8 H 0.184      
9 H 0.180      
10 H 0.171      
11 H 0.184      
12 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.127 3.803 0.000 3.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.568 -0.679 0.000
y -0.679 8.215 0.000
z 0.000 0.000 6.136


<r2> (average value of r2) Å2
<r2> 129.483
(<r2>)1/2 11.379