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

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-211.295029
Energy at 298.15K-211.302286
HF Energy-211.295029
Nuclear repulsion energy159.453739
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 M06-2X/6-31G(2df,p)
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' 3162 3011 12.16      
2 A' 3153 3002 23.73      
3 A' 3078 2932 4.47      
4 A' 3065 2919 11.34      
5 A' 2420 2305 8.98      
6 A' 1512 1440 7.78      
7 A' 1500 1429 8.08      
8 A' 1420 1352 2.77      
9 A' 1350 1286 6.45      
10 A' 1197 1140 2.00      
11 A' 1126 1072 4.33      
12 A' 945 900 0.81      
13 A' 784 747 0.81      
14 A' 560 533 1.27      
15 A' 354 337 0.31      
16 A' 287 273 1.13      
17 A' 220 209 2.17      
18 A" 3161 3010 8.86      
19 A" 3149 2999 0.04      
20 A" 3064 2919 11.22      
21 A" 1490 1419 2.83      
22 A" 1485 1415 0.68      
23 A" 1397 1331 3.32      
24 A" 1322 1259 0.42      
25 A" 1144 1090 1.52      
26 A" 976 929 0.64      
27 A" 933 889 1.77      
28 A" 585 557 0.04      
29 A" 219 208 0.12      
30 A" 189 180 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 22622.8 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 21545.9 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 M06-2X/6-31G(2df,p)
ABC
0.26649 0.13286 0.09728

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.168 0.000
C2 0.027 -1.082 0.000
C3 -0.445 0.308 0.000
C4 0.027 1.025 1.270
C5 0.027 1.025 -1.270
H6 -1.539 0.267 0.000
H7 -0.365 2.045 1.280
H8 -0.315 0.508 2.168
H9 1.118 1.074 1.294
H10 -0.365 2.045 -1.280
H11 -0.315 0.508 -2.168
H12 1.118 1.074 -1.294

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15032.61883.45763.45763.11704.47043.51883.56274.47043.51883.5627
C21.15031.46852.46052.46052.06733.40172.71022.74123.40172.71022.7412
C32.61881.46851.53261.53261.09522.15902.18072.16882.15902.18072.1688
C43.45762.46051.53262.53922.15421.09231.09111.09262.77413.49272.7865
C53.45762.46051.53262.53922.15422.77413.49272.78651.09231.09111.0926
H63.11702.06731.09522.15422.15422.48572.50133.06402.48572.50133.0640
H74.47043.40172.15901.09232.77412.48571.77501.77302.56083.77523.1257
H83.51882.71022.18071.09113.49272.50131.77501.77113.77524.33523.7889
H93.56272.74122.16881.09262.78653.06401.77301.77113.12573.78892.5878
H104.47043.40172.15902.77411.09232.48572.56083.77523.12571.77501.7730
H113.51882.71022.18073.49271.09112.50133.77524.33523.78891.77501.7711
H123.56272.74122.16882.78651.09263.06403.12573.78892.58781.77301.7711

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 179.494 C2 C3 C4 110.125
C2 C3 C5 110.125 C2 C3 H6 106.585
C3 C4 H7 109.528 C3 C4 H8 111.322
C3 C4 H9 110.291 C3 C5 H10 109.528
C3 C5 H11 111.322 C3 C5 H12 110.291
C4 C3 C5 111.872 C4 C3 H6 108.988
C5 C3 H6 108.988 H7 C4 H8 108.768
H7 C4 H9 108.475 H8 C4 H9 108.393
H10 C5 H11 108.768 H10 C5 H12 108.475
H11 C5 H12 108.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.272      
2 C 0.207      
3 C -0.166      
4 C -0.410      
5 C -0.410      
6 H 0.154      
7 H 0.141      
8 H 0.156      
9 H 0.152      
10 H 0.141      
11 H 0.156      
12 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.126 3.757 0.000 3.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.227 1.693 0.000
y 1.693 -38.574 0.000
z 0.000 0.000 -29.735
Traceless
 xyz
x 3.928 1.693 0.000
y 1.693 -8.594 0.000
z 0.000 0.000 4.666
Polar
3z2-r29.332
x2-y28.348
xy1.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.809 -0.564 0.000
y -0.564 8.134 0.000
z 0.000 0.000 6.423


<r2> (average value of r2) Å2
<r2> 127.953
(<r2>)1/2 11.312