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

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-209.917588
Energy at 298.15K-209.925045
HF Energy-209.753040
Nuclear repulsion energy158.231084
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 B2PLYP/3-21G
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' 3164 3164 23.71      
2 A' 3158 3158 27.47      
3 A' 3092 3092 3.21      
4 A' 3085 3085 11.09      
5 A' 2265 2265 0.17      
6 A' 1593 1593 13.40      
7 A' 1586 1586 8.63      
8 A' 1490 1490 4.90      
9 A' 1407 1407 2.61      
10 A' 1233 1233 4.37      
11 A' 1184 1184 9.28      
12 A' 930 930 0.56      
13 A' 774 774 0.41      
14 A' 586 586 1.63      
15 A' 368 368 0.16      
16 A' 303 303 0.78      
17 A' 240 240 0.87      
18 A" 3161 3161 11.86      
19 A" 3154 3154 1.50      
20 A" 3083 3083 13.41      
21 A" 1574 1574 4.78      
22 A" 1574 1574 0.02      
23 A" 1472 1472 6.87      
24 A" 1365 1365 0.16      
25 A" 1145 1145 3.53      
26 A" 1001 1001 1.30      
27 A" 979 979 2.20      
28 A" 612 612 0.52      
29 A" 240 240 0.04      
30 A" 215 215 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 23014.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23014.9 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 B2PLYP/3-21G
ABC
0.26328 0.13045 0.09583

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.153 -2.224 0.000
C2 -0.107 -1.081 0.000
C3 -0.417 0.355 0.000
C4 0.153 1.025 1.277
C5 0.153 1.025 -1.277
H6 -1.508 0.462 0.000
H7 -0.109 2.087 1.276
H8 -0.256 0.561 2.178
H9 1.241 0.930 1.293
H10 -0.109 2.087 -1.276
H11 -0.256 0.561 -2.178
H12 1.241 0.930 -1.293

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17262.64123.49133.49133.15814.50313.55913.57844.50313.55913.5784
C21.17261.46862.47672.47672.08373.41462.73132.74473.41462.73132.7447
C32.64121.46861.55121.55121.09592.17312.19352.18032.17312.19352.1803
C43.49132.47671.55122.55452.16971.09321.09231.09282.77743.50992.7925
C53.49132.47671.55122.55452.16972.77743.50992.79251.09321.09231.0928
H63.15812.08371.09592.16972.16972.49492.51413.07402.49492.51413.0740
H74.50313.41462.17311.09322.77742.49491.77811.77812.55183.77843.1239
H83.55912.73132.19351.09233.50992.51411.77811.77793.77844.35553.7975
H93.57842.74472.18031.09282.79253.07401.77811.77793.12393.79752.5852
H104.50313.41462.17312.77741.09322.49492.55183.77843.12391.77811.7781
H113.55912.73132.19353.50991.09232.51413.77844.35553.79751.77811.7779
H123.57842.74472.18032.79251.09283.07403.12393.79752.58521.77811.7779

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 179.363 C2 C3 C4 110.172
C2 C3 C5 110.172 C2 C3 H6 107.800
C3 C4 H7 109.298 C3 C4 H8 110.957
C3 C4 H9 109.890 C3 C5 H10 109.298
C3 C5 H11 110.957 C3 C5 H12 109.890
C4 C3 C5 110.856 C4 C3 H6 108.884
C5 C3 H6 108.884 H7 C4 H8 108.893
H7 C4 H9 108.857 H8 C4 H9 108.907
H10 C5 H11 108.893 H10 C5 H12 108.857
H11 C5 H12 108.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.463      
2 C 0.362      
3 C -0.350      
4 C -0.512      
5 C -0.512      
6 H 0.249      
7 H 0.199      
8 H 0.208      
9 H 0.206      
10 H 0.199      
11 H 0.208      
12 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.618 3.624 0.000 3.676
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.475 0.750 0.000
y 0.750 -39.255 0.000
z 0.000 0.000 -30.206
Traceless
 xyz
x 4.255 0.750 0.000
y 0.750 -8.914 0.000
z 0.000 0.000 4.659
Polar
3z2-r29.318
x2-y28.780
xy0.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.977 -0.336 0.000
y -0.336 7.443 0.000
z 0.000 0.000 5.547


<r2> (average value of r2) Å2
<r2> 129.817
(<r2>)1/2 11.394