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

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-210.198329
Energy at 298.15K-210.205448
HF Energy-210.198329
Nuclear repulsion energy159.880428
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 LSDA/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' 3090 3040 6.61      
2 A' 3079 3029 13.28      
3 A' 2990 2942 10.39      
4 A' 2966 2918 1.92      
5 A' 2318 2280 10.87      
6 A' 1437 1414 10.57      
7 A' 1423 1400 12.42      
8 A' 1345 1323 5.48      
9 A' 1291 1270 5.34      
10 A' 1155 1137 2.00      
11 A' 1077 1060 4.47      
12 A' 934 919 3.40      
13 A' 783 771 0.48      
14 A' 543 535 1.45      
15 A' 339 333 0.18      
16 A' 276 272 0.79      
17 A' 212 209 2.07      
18 A" 3089 3040 5.58      
19 A" 3077 3028 0.00      
20 A" 2989 2941 8.00      
21 A" 1410 1388 4.49      
22 A" 1406 1384 0.77      
23 A" 1323 1302 10.41      
24 A" 1257 1237 0.26      
25 A" 1122 1104 1.31      
26 A" 946 930 0.71      
27 A" 892 878 3.30      
28 A" 562 553 0.02      
29 A" 222 219 0.03      
30 A" 178 175 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 21864.9 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 21515.0 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 LSDA/6-31G(2df,p)
ABC
0.27018 0.13385 0.09833

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.410 -2.164 0.000
C2 0.024 -1.068 0.000
C3 -0.441 0.303 0.000
C4 0.024 1.019 1.257
C5 0.024 1.019 -1.257
H6 -1.548 0.264 0.000
H7 -0.368 2.048 1.265
H8 -0.316 0.506 2.169
H9 1.125 1.070 1.283
H10 -0.368 2.048 -1.265
H11 -0.316 0.506 -2.169
H12 1.125 1.070 -1.283

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16202.60923.44343.44343.11914.46643.51533.55234.46643.51533.5523
C21.16201.44722.43572.43572.06063.38592.70102.72573.38592.70102.7257
C32.60921.44721.51961.51961.10792.15712.18202.16522.15712.18202.1652
C43.44342.43571.51962.51402.15001.10201.10051.10222.75233.48092.7689
C53.44342.43571.51962.51402.15002.75233.48092.76891.10201.10051.1022
H63.11912.06061.10792.15002.15002.48552.50623.07302.48552.50623.0730
H74.46643.38592.15711.10202.75232.48551.78891.78492.53023.76513.1111
H83.51532.70102.18201.10053.48092.50621.78891.78353.76514.33803.7834
H93.55232.72572.16521.10222.76893.07301.78491.78353.11113.78342.5664
H104.46643.38592.15712.75231.10202.48552.53023.76513.11111.78891.7849
H113.51532.70102.18203.48091.10052.50623.76514.33803.78341.78891.7835
H123.55232.72572.16522.76891.10223.07303.11113.78342.56641.78491.7835

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 179.377 C2 C3 C4 110.345
C2 C3 C5 110.345 C2 C3 H6 106.748
C3 C4 H7 109.716 C3 C4 H8 111.786
C3 C4 H9 110.338 C3 C5 H10 109.716
C3 C5 H11 111.786 C3 C5 H12 110.338
C4 C3 C5 111.626 C4 C3 H6 108.814
C5 C3 H6 108.814 H7 C4 H8 108.634
H7 C4 H9 108.142 H8 C4 H9 108.130
H10 C5 H11 108.634 H10 C5 H12 108.142
H11 C5 H12 108.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.299      
2 C 0.255      
3 C -0.157      
4 C -0.483      
5 C -0.483      
6 H 0.166      
7 H 0.158      
8 H 0.173      
9 H 0.170      
10 H 0.158      
11 H 0.173      
12 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.139 3.779 0.000 3.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.073 1.743 0.000
y 1.743 -38.500 0.000
z 0.000 0.000 -29.551
Traceless
 xyz
x 3.953 1.743 0.000
y 1.743 -8.688 0.000
z 0.000 0.000 4.735
Polar
3z2-r29.471
x2-y28.427
xy1.743
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.944 -0.625 0.000
y -0.625 8.526 0.000
z 0.000 0.000 6.630


<r2> (average value of r2) Å2
<r2> 126.927
(<r2>)1/2 11.266