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

using model chemistry: LSDA/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-210.269854
Energy at 298.15K-210.276988
HF Energy-210.269854
Nuclear repulsion energy160.336637
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/cc-pVTZ
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' 3071 3037 7.03      
2 A' 3060 3026 13.74      
3 A' 2977 2945 11.28      
4 A' 2954 2922 0.96      
5 A' 2312 2287 12.68      
6 A' 1435 1419 12.65      
7 A' 1421 1406 14.96      
8 A' 1348 1333 7.52      
9 A' 1295 1281 3.99      
10 A' 1156 1144 2.32      
11 A' 1081 1069 4.50      
12 A' 932 922 3.18      
13 A' 782 773 0.51      
14 A' 544 538 1.33      
15 A' 341 337 0.16      
16 A' 272 269 0.72      
17 A' 209 207 1.91      
18 A" 3071 3037 5.95      
19 A" 3058 3025 0.04      
20 A" 2977 2944 8.30      
21 A" 1408 1393 4.83      
22 A" 1406 1390 1.40      
23 A" 1327 1313 13.52      
24 A" 1260 1246 0.08      
25 A" 1121 1108 1.86      
26 A" 947 937 0.62      
27 A" 896 886 3.26      
28 A" 565 559 0.00      
29 A" 221 218 0.03      
30 A" 177 175 4.05      

Unscaled Zero Point Vibrational Energy (zpe) 21811.8 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 21574.0 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/cc-pVTZ
ABC
0.27157 0.13459 0.09884

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.409 -2.157 0.000
C2 0.024 -1.067 0.000
C3 -0.438 0.302 0.000
C4 0.024 1.016 1.254
C5 0.024 1.016 -1.254
H6 -1.543 0.259 0.000
H7 -0.369 2.043 1.262
H8 -0.315 0.504 2.164
H9 1.122 1.069 1.280
H10 -0.369 2.043 -1.262
H11 -0.315 0.504 -2.164
H12 1.122 1.069 -1.280

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15562.60063.43363.43363.10574.45333.50533.54304.45333.50533.5430
C21.15561.44502.43182.43182.05263.37882.69552.72153.37882.69552.7215
C32.60061.44501.51551.51551.10512.15092.17652.15872.15092.17652.1587
C43.43362.43181.51552.50812.14481.09891.09751.09932.74533.47242.7618
C53.43362.43181.51552.50812.14482.74533.47242.76181.09891.09751.0993
H63.10572.05261.10512.14482.14482.48002.49953.06472.48002.49953.0647
H74.45333.37882.15091.09892.74532.48001.78401.78022.52343.75523.1029
H83.50532.69552.17651.09753.47242.49951.78401.77903.75524.32713.7736
H93.54302.72152.15871.09932.76183.06471.78021.77903.10293.77362.5594
H104.45333.37882.15092.74531.09892.48002.52343.75523.10291.78401.7802
H113.50532.69552.17653.47241.09752.49953.75524.32713.77361.78401.7790
H123.54302.72152.15872.76181.09933.06473.10293.77362.55941.78021.7790

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 179.203 C2 C3 C4 110.427
C2 C3 C5 110.427 C2 C3 H6 106.439
C3 C4 H7 109.692 C3 C4 H8 111.812
C3 C4 H9 110.279 C3 C5 H10 109.692
C3 C5 H11 111.812 C3 C5 H12 110.279
C4 C3 C5 111.684 C4 C3 H6 108.849
C5 C3 H6 108.849 H7 C4 H8 108.632
H7 C4 H9 108.170 H8 C4 H9 108.164
H10 C5 H11 108.632 H10 C5 H12 108.170
H11 C5 H12 108.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.045      
2 C -0.083      
3 C -0.141      
4 C -0.320      
5 C -0.320      
6 H 0.155      
7 H 0.118      
8 H 0.133      
9 H 0.126      
10 H 0.118      
11 H 0.133      
12 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.189 3.895 0.000 4.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.806 1.742 0.000
y 1.742 -39.394 0.000
z 0.000 0.000 -30.216
Traceless
 xyz
x 3.998 1.742 0.000
y 1.742 -8.883 0.000
z 0.000 0.000 4.884
Polar
3z2-r29.769
x2-y28.587
xy1.742
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.605 -0.583 0.000
y -0.583 9.229 0.000
z 0.000 0.000 7.438


<r2> (average value of r2) Å2
<r2> 126.843
(<r2>)1/2 11.262