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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-211.392813
Energy at 298.15K-211.400055
HF Energy-211.392813
Nuclear repulsion energy158.549949
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 B3LYPultrafine/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' 3140 3016 22.20      
2 A' 3134 3011 37.06      
3 A' 3057 2937 16.58      
4 A' 3042 2922 5.46      
5 A' 2362 2270 7.72      
6 A' 1524 1465 8.17      
7 A' 1515 1456 6.72      
8 A' 1437 1381 1.71      
9 A' 1355 1302 7.14      
10 A' 1198 1151 3.05      
11 A' 1131 1087 4.96      
12 A' 930 893 0.67      
13 A' 772 742 0.67      
14 A' 553 531 1.33      
15 A' 353 339 0.20      
16 A' 286 275 0.97      
17 A' 222 213 2.18      
18 A" 3138 3015 14.17      
19 A" 3129 3007 0.36      
20 A" 3054 2934 16.16      
21 A" 1504 1445 2.39      
22 A" 1502 1443 1.01      
23 A" 1415 1360 2.13      
24 A" 1329 1277 0.82      
25 A" 1130 1085 2.34      
26 A" 974 936 0.11      
27 A" 944 907 2.07      
28 A" 571 549 0.02      
29 A" 229 220 0.01      
30 A" 188 180 4.57      

Unscaled Zero Point Vibrational Energy (zpe) 22558.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 21674.0 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 B3LYPultrafine/6-31G**
ABC
0.26319 0.13121 0.09586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.402 -2.186 0.000
C2 0.027 -1.087 0.000
C3 -0.437 0.310 0.000
C4 0.027 1.032 1.280
C5 0.027 1.032 -1.280
H6 -1.535 0.271 0.000
H7 -0.366 2.053 1.289
H8 -0.325 0.518 2.177
H9 1.119 1.084 1.321
H10 -0.366 2.053 -1.289
H11 -0.325 0.518 -2.177
H12 1.119 1.084 -1.321

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16112.63383.48393.48393.12924.49733.54673.59914.49733.54673.5991
C21.16111.47272.47602.47602.07033.41762.72752.76623.41762.72752.7662
C32.63381.47271.54101.54101.09812.16912.18962.18302.16912.18962.1830
C43.48392.47601.54102.55922.15771.09411.09291.09392.79203.51242.8208
C53.48392.47601.54102.55922.15772.79203.51242.82081.09411.09291.0939
H63.12922.07031.09812.15772.15772.49042.50243.07362.49042.50243.0736
H74.49733.41762.16911.09412.79202.49041.77441.77382.57813.79123.1554
H83.54672.72752.18961.09293.51242.50241.77441.77223.79124.35393.8264
H93.59912.76622.18301.09392.82083.07361.77381.77223.15543.82642.6415
H104.49733.41762.16912.79201.09412.49042.57813.79123.15541.77441.7738
H113.54672.72752.18963.51241.09292.50243.79124.35393.82641.77441.7722
H123.59912.76622.18302.82081.09393.07363.15543.82642.64151.77381.7722

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 179.545 C2 C3 C4 110.467
C2 C3 C5 110.467 C2 C3 H6 106.362
C3 C4 H7 109.641 C3 C4 H8 111.335
C3 C4 H9 110.744 C3 C5 H10 109.641
C3 C5 H11 111.335 C3 C5 H12 110.744
C4 C3 C5 112.279 C4 C3 H6 108.525
C5 C3 H6 108.525 H7 C4 H8 108.449
H7 C4 H9 108.325 H8 C4 H9 108.263
H10 C5 H11 108.449 H10 C5 H12 108.325
H11 C5 H12 108.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.473      
2 C 0.339      
3 C -0.136      
4 C -0.308      
5 C -0.308      
6 H 0.146      
7 H 0.116      
8 H 0.127      
9 H 0.127      
10 H 0.116      
11 H 0.127      
12 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.108 3.793 0.000 3.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.269 1.759 0.000
y 1.759 -38.868 0.000
z 0.000 0.000 -29.680
Traceless
 xyz
x 4.005 1.759 0.000
y 1.759 -8.893 0.000
z 0.000 0.000 4.889
Polar
3z2-r29.777
x2-y28.598
xy1.759
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.582 -0.647 0.000
y -0.647 8.154 0.000
z 0.000 0.000 6.161


<r2> (average value of r2) Å2
<r2> 129.455
(<r2>)1/2 11.378