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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-210.066590
Energy at 298.15K-210.074165
HF Energy-210.066590
Nuclear repulsion energy160.043162
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 HF/TZVP
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' 3256 2959 42.61      
2 A' 3251 2954 56.06      
3 A' 3202 2909 2.25      
4 A' 3181 2890 19.72      
5 A' 2593 2356 17.58      
6 A' 1629 1480 9.52      
7 A' 1621 1473 7.49      
8 A' 1555 1413 2.80      
9 A' 1475 1340 9.44      
10 A' 1294 1176 3.23      
11 A' 1226 1114 5.97      
12 A' 982 892 0.37      
13 A' 810 736 2.98      
14 A' 601 546 1.61      
15 A' 378 343 0.44      
16 A' 311 283 1.83      
17 A' 242 220 2.41      
18 A" 3253 2955 22.04      
19 A" 3243 2947 0.18      
20 A" 3177 2886 21.92      
21 A" 1610 1463 3.66      
22 A" 1608 1461 0.15      
23 A" 1533 1393 1.93      
24 A" 1450 1317 0.14      
25 A" 1220 1108 2.55      
26 A" 1043 948 0.22      
27 A" 1017 924 1.15      
28 A" 632 574 0.00      
29 A" 239 217 0.03      
30 A" 212 193 5.94      

Unscaled Zero Point Vibrational Energy (zpe) 23920.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 21733.8 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 HF/TZVP
ABC
0.26600 0.13388 0.09752

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.392 -2.158 0.000
C2 0.030 -1.090 0.000
C3 -0.436 0.311 0.000
C4 0.030 1.023 1.274
C5 0.030 1.023 -1.274
H6 -1.520 0.266 0.000
H7 -0.357 2.035 1.285
H8 -0.323 0.511 2.160
H9 1.111 1.070 1.315
H10 -0.357 2.035 -1.285
H11 -0.323 0.511 -2.160
H12 1.111 1.070 -1.315

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.12792.60373.44553.44553.08694.44923.50723.55834.44923.50723.5583
C21.12791.47592.46702.46702.05863.40112.71172.74983.40112.71172.7498
C32.60371.47591.53201.53201.08422.15242.17242.16792.15242.17242.1679
C43.44552.46701.53202.54772.14371.08361.08261.08352.77923.48982.8061
C53.44552.46701.53202.54772.14372.77923.48982.80611.08361.08261.0835
H63.08692.05861.08422.14372.14372.47662.48153.04892.47662.48153.0489
H74.44923.40112.15241.08362.77922.47661.75761.75782.57103.76783.1387
H83.50722.71172.17241.08263.48982.48151.75761.75613.76784.32033.8008
H93.55832.74982.16791.08352.80613.04891.75781.75613.13873.80082.6299
H104.44923.40112.15242.77921.08362.47662.57103.76783.13871.75761.7578
H113.50722.71172.17243.48981.08262.48153.76784.32033.80081.75761.7561
H123.55832.74982.16792.80611.08353.04893.13873.80082.62991.75781.7561

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 179.650 C2 C3 C4 110.197
C2 C3 C5 110.197 C2 C3 H6 106.036
C3 C4 H7 109.558 C3 C4 H8 111.212
C3 C4 H9 110.795 C3 C5 H10 109.558
C3 C5 H11 111.212 C3 C5 H12 110.795
C4 C3 C5 112.504 C4 C3 H6 108.840
C5 C3 H6 108.840 H7 C4 H8 108.457
H7 C4 H9 108.411 H8 C4 H9 108.329
H10 C5 H11 108.457 H10 C5 H12 108.411
H11 C5 H12 108.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.127      
2 C -0.118      
3 C 0.090      
4 C -0.290      
5 C -0.290      
6 H 0.117      
7 H 0.107      
8 H 0.108      
9 H 0.094      
10 H 0.107      
11 H 0.108      
12 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.234 4.154 0.000 4.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.909 1.851 0.000
y 1.851 -40.356 0.000
z 0.000 0.000 -30.410
Traceless
 xyz
x 4.475 1.851 0.000
y 1.851 -9.697 0.000
z 0.000 0.000 5.222
Polar
3z2-r210.444
x2-y29.448
xy1.851
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.937 -0.575 0.000
y -0.575 8.267 0.000
z 0.000 0.000 6.475


<r2> (average value of r2) Å2
<r2> 128.232
(<r2>)1/2 11.324