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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-36.651168
Energy at 298.15K-36.658364
HF Energy-36.651168
Nuclear repulsion energy85.444630
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 B3LYP/CEP-121G
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' 3099 3020 50.12      
2 A' 3094 3015 64.72      
3 A' 3006 2929 7.35      
4 A' 3000 2923 27.22      
5 A' 2224 2168 8.08      
6 A' 1530 1491 13.78      
7 A' 1522 1483 10.68      
8 A' 1443 1406 4.76      
9 A' 1356 1321 5.76      
10 A' 1197 1167 5.25      
11 A' 1139 1109 9.09      
12 A' 919 896 0.19      
13 A' 753 734 1.16      
14 A' 539 526 1.97      
15 A' 349 340 0.19      
16 A' 274 267 0.59      
17 A' 212 207 1.09      
18 A" 3095 3017 25.19      
19 A" 3087 3008 1.70      
20 A" 2996 2920 29.32      
21 A" 1513 1474 2.43      
22 A" 1510 1471 3.24      
23 A" 1424 1388 7.04      
24 A" 1325 1291 0.31      
25 A" 1131 1102 4.76      
26 A" 976 951 0.01      
27 A" 949 925 2.58      
28 A" 554 540 0.96      
29 A" 213 208 0.01      
30 A" 183 179 3.17      

Unscaled Zero Point Vibrational Energy (zpe) 22306.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 21737.3 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 B3LYP/CEP-121G
ABC
0.25803 0.12762 0.09343

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.411 -2.220 0.000
C2 0.027 -1.100 0.000
C3 -0.446 0.315 0.000
C4 0.027 1.047 1.293
C5 0.027 1.047 -1.293
H6 -1.546 0.281 0.000
H7 -0.370 2.070 1.301
H8 -0.325 0.531 2.194
H9 1.122 1.100 1.332
H10 -0.370 2.070 -1.301
H11 -0.325 0.531 -2.194
H12 1.122 1.100 -1.332

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18392.67613.53433.53433.17534.55013.59463.64694.55013.59463.6469
C21.18391.49222.50632.50632.09273.44922.75632.79513.44922.75632.7951
C32.67611.49221.55911.55911.10052.18532.20802.20152.18532.20802.2015
C43.53432.50631.55912.58672.17531.09741.09621.09702.81663.54302.8449
C53.53432.50631.55912.58672.17532.81663.54302.84491.09741.09621.0970
H63.17532.09271.10052.17532.17532.50482.52323.09202.50482.52323.0920
H74.55013.44922.18531.09742.81662.50481.78041.77982.60133.81903.1775
H83.59462.75632.20801.09623.54302.52321.78041.77803.81904.38833.8536
H93.64692.79512.20151.09702.84493.09201.77981.77803.17753.85362.6636
H104.55013.44922.18532.81661.09742.50482.60133.81903.17751.78041.7798
H113.59462.75632.20803.54301.09622.52323.81904.38833.85361.78041.7780
H123.64692.79512.20152.84491.09703.09203.17753.85362.66361.77981.7780

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 179.518 C2 C3 C4 110.424
C2 C3 C5 110.424 C2 C3 H6 106.664
C3 C4 H7 109.463 C3 C4 H8 111.313
C3 C4 H9 110.755 C3 C5 H10 109.463
C3 C5 H11 111.313 C3 C5 H12 110.755
C4 C3 C5 112.098 C4 C3 H6 108.521
C5 C3 H6 108.521 H7 C4 H8 108.506
H7 C4 H9 108.399 H8 C4 H9 108.326
H10 C5 H11 108.506 H10 C5 H12 108.399
H11 C5 H12 108.326
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.233      
2 C -0.423      
3 C 0.034      
4 C -0.503      
5 C -0.503      
6 H 0.173      
7 H 0.161      
8 H 0.171      
9 H 0.163      
10 H 0.161      
11 H 0.171      
12 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.204 4.009 0.000 4.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.914 1.883 0.000
y 1.883 -40.251 0.000
z 0.000 0.000 -30.343
Traceless
 xyz
x 4.383 1.883 0.000
y 1.883 -9.623 0.000
z 0.000 0.000 5.240
Polar
3z2-r210.480
x2-y29.337
xy1.883
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.122 -0.677 0.000
y -0.677 8.777 0.000
z 0.000 0.000 6.700


<r2> (average value of r2) Å2
<r2> 108.387
(<r2>)1/2 10.411