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

using model chemistry: mPW1PW91/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 mPW1PW91/TZVP
 hartrees
Energy at 0K-211.397314
Energy at 298.15K-211.404593
HF Energy-211.397314
Nuclear repulsion energy159.647365
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 mPW1PW91/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' 3156 3011 18.15      
2 A' 3150 3005 30.70      
3 A' 3070 2929 15.45      
4 A' 3064 2923 2.27      
5 A' 2386 2276 11.98      
6 A' 1515 1445 11.63      
7 A' 1506 1436 10.79      
8 A' 1429 1364 4.27      
9 A' 1358 1295 5.66      
10 A' 1202 1146 3.54      
11 A' 1134 1082 5.36      
12 A' 942 899 0.96      
13 A' 782 746 0.50      
14 A' 560 534 1.28      
15 A' 352 336 0.21      
16 A' 284 271 1.05      
17 A' 220 210 1.83      
18 A" 3155 3009 11.87      
19 A" 3146 3001 0.27      
20 A" 3067 2926 14.48      
21 A" 1494 1425 4.60      
22 A" 1492 1423 0.39      
23 A" 1407 1343 5.88      
24 A" 1328 1267 0.15      
25 A" 1142 1090 3.12      
26 A" 981 936 0.24      
27 A" 944 901 2.20      
28 A" 584 557 0.05      
29 A" 223 213 0.03      
30 A" 191 182 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 22630.6 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 21589.6 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 mPW1PW91/TZVP
ABC
0.26652 0.13332 0.09733

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.398 -2.168 0.000
C2 0.027 -1.079 0.000
C3 -0.434 0.308 0.000
C4 0.027 1.024 1.271
C5 0.027 1.024 -1.271
H6 -1.528 0.264 0.000
H7 -0.366 2.041 1.281
H8 -0.322 0.510 2.166
H9 1.116 1.077 1.310
H10 -0.366 2.041 -1.281
H11 -0.322 0.510 -2.166
H12 1.116 1.077 -1.310

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.14992.61163.45553.45553.10214.46553.51863.57184.46553.51863.5718
C21.14991.46172.45762.45762.05483.39622.70912.74773.39622.70912.7477
C32.61161.46171.53011.53011.09452.15662.17822.16982.15662.17822.1698
C43.45552.45761.53012.54222.14711.09061.08951.09042.77573.49272.8016
C53.45552.45761.53012.54222.14712.77573.49272.80161.09061.08951.0904
H63.10212.05481.09452.14712.14712.47952.49083.05982.47952.49083.0598
H74.46553.39622.15661.09062.77572.47951.76881.76822.56283.77233.1370
H83.51862.70912.17821.08953.49272.49081.76881.76683.77234.33183.8039
H93.57182.74772.16981.09042.80163.05981.76821.76683.13703.80392.6197
H104.46553.39622.15662.77571.09062.47952.56283.77233.13701.76881.7682
H113.51862.70912.17823.49271.08952.49083.77234.33183.80391.76881.7668
H123.57182.74772.16982.80161.09043.05983.13703.80392.61971.76821.7668

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 179.555 C2 C3 C4 110.435
C2 C3 C5 110.435 C2 C3 H6 106.107
C3 C4 H7 109.614 C3 C4 H8 111.392
C3 C4 H9 110.672 C3 C5 H10 109.614
C3 C5 H11 111.392 C3 C5 H12 110.672
C4 C3 C5 112.345 C4 C3 H6 108.645
C5 C3 H6 108.645 H7 C4 H8 108.454
H7 C4 H9 108.335 H8 C4 H9 108.291
H10 C5 H11 108.454 H10 C5 H12 108.335
H11 C5 H12 108.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.098      
2 C -0.057      
3 C -0.099      
4 C -0.372      
5 C -0.372      
6 H 0.163      
7 H 0.139      
8 H 0.145      
9 H 0.133      
10 H 0.139      
11 H 0.145      
12 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.180 3.973 0.000 4.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.580 1.770 0.000
y 1.770 -39.528 0.000
z 0.000 0.000 -30.027
Traceless
 xyz
x 4.198 1.770 0.000
y 1.770 -9.225 0.000
z 0.000 0.000 5.027
Polar
3z2-r210.053
x2-y28.948
xy1.770
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.222 -0.620 0.000
y -0.620 8.841 0.000
z 0.000 0.000 6.885


<r2> (average value of r2) Å2
<r2> 128.161
(<r2>)1/2 11.321