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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-211.310858
Energy at 298.15K-211.318070
HF Energy-211.310858
Nuclear repulsion energy 
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 wB97X-D/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' 3176 3013 19.78      
2 A' 3170 3007 37.71      
3 A' 3090 2930 9.10      
4 A' 3086 2927 11.96      
5 A' 2402 2278 8.61      
6 A' 1541 1462 11.96      
7 A' 1534 1455 8.22      
8 A' 1457 1382 4.29      
9 A' 1373 1303 6.27      
10 A' 1214 1152 3.22      
11 A' 1144 1085 6.30      
12 A' 949 900 0.68      
13 A' 784 744 0.85      
14 A' 561 532 1.39      
15 A' 362 344 0.23      
16 A' 281 267 1.30      
17 A' 210 200 1.95      
18 A" 3175 3012 13.66      
19 A" 3167 3003 0.00      
20 A" 3084 2926 17.42      
21 A" 1521 1443 4.66      
22 A" 1518 1440 0.01      
23 A" 1436 1362 4.68      
24 A" 1344 1274 0.29      
25 A" 1151 1092 2.05      
26 A" 988 937 0.46      
27 A" 956 906 2.48      
28 A" 580 550 0.01      
29 A" 208 197 0.21      
30 A" 185 176 4.56      

Unscaled Zero Point Vibrational Energy (zpe) 22823.0 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 21647.6 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 wB97X-D/6-31G*
ABC
0.26503 0.13178 0.09646

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.388 -2.184 0.000
C2 0.031 -1.084 0.000
C3 -0.437 0.311 0.000
C4 0.031 1.030 1.276
C5 0.031 1.030 -1.276
H6 -1.533 0.271 0.000
H7 -0.362 2.051 1.284
H8 -0.320 0.517 2.175
H9 1.123 1.081 1.312
H10 -0.362 2.051 -1.284
H11 -0.320 0.517 -2.175
H12 1.123 1.081 -1.312

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15702.62873.47673.47673.11824.48913.53943.59474.48913.53943.5947
C21.15701.47172.46912.46912.06953.41072.72312.75703.41072.72312.7570
C32.62871.47171.53691.53691.09712.16352.18752.17872.16352.18752.1787
C43.47672.46911.53692.55142.15601.09431.09321.09432.78373.50602.8095
C53.47672.46911.53692.55142.15602.78373.50602.80951.09431.09321.0943
H63.11822.06951.09712.15602.15602.48742.50213.07132.48742.50213.0713
H74.48913.41072.16351.09432.78372.48741.77491.77472.56783.78403.1445
H83.53942.72312.18751.09323.50602.50211.77491.77383.78404.34953.8158
H93.59472.75702.17871.09432.80953.07131.77471.77383.14453.81582.6243
H104.48913.41072.16352.78371.09432.48742.56783.78403.14451.77491.7747
H113.53942.72312.18753.50601.09322.50213.78404.34953.81581.77491.7738
H123.59472.75702.17872.80951.09433.07133.14453.81582.62431.77471.7738

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 179.492 C2 C3 C4 110.285
C2 C3 C5 110.285 C2 C3 H6 106.426
C3 C4 H7 109.470 C3 C4 H8 111.433
C3 C4 H9 110.668 C3 C5 H10 109.470
C3 C5 H11 111.433 C3 C5 H12 110.668
C4 C3 C5 112.200 C4 C3 H6 108.725
C5 C3 H6 108.725 H7 C4 H8 108.465
H7 C4 H9 108.365 H8 C4 H9 108.360
H10 C5 H11 108.465 H10 C5 H12 108.365
H11 C5 H12 108.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.463      
2 C 0.339      
3 C -0.211      
4 C -0.494      
5 C -0.494      
6 H 0.212      
7 H 0.178      
8 H 0.191      
9 H 0.186      
10 H 0.178      
11 H 0.191      
12 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.148 3.848 0.000 4.016
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.105 1.760 0.000
y 1.760 -38.773 0.000
z 0.000 0.000 -29.579
Traceless
 xyz
x 4.070 1.760 0.000
y 1.760 -8.931 0.000
z 0.000 0.000 4.861
Polar
3z2-r29.722
x2-y28.668
xy1.760
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.540 -0.654 0.000
y -0.654 7.993 0.000
z 0.000 0.000 6.022


<r2> (average value of r2) Å2
<r2> 128.773
(<r2>)1/2 11.348