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

using model chemistry: HF/aug-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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-210.074010
Energy at 298.15K-210.081582
HF Energy-210.074010
Nuclear repulsion energy160.113107
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/aug-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' 3246 2955 39.25      
2 A' 3241 2951 53.26      
3 A' 3190 2904 2.14      
4 A' 3174 2889 19.17      
5 A' 2575 2345 20.11      
6 A' 1627 1481 8.51      
7 A' 1618 1473 7.19      
8 A' 1552 1413 2.44      
9 A' 1473 1341 10.27      
10 A' 1294 1178 3.18      
11 A' 1223 1113 5.51      
12 A' 982 894 0.26      
13 A' 808 736 2.81      
14 A' 600 546 1.80      
15 A' 377 344 0.52      
16 A' 310 282 2.00      
17 A' 241 220 2.79      
18 A" 3242 2952 20.79      
19 A" 3233 2943 0.03      
20 A" 3169 2885 20.77      
21 A" 1607 1463 2.95      
22 A" 1605 1462 0.40      
23 A" 1531 1394 2.02      
24 A" 1448 1319 0.24      
25 A" 1218 1109 1.97      
26 A" 1043 949 0.23      
27 A" 1014 923 1.27      
28 A" 631 574 0.19      
29 A" 237 216 0.02      
30 A" 210 192 6.63      

Unscaled Zero Point Vibrational Energy (zpe) 23859.4 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 21721.6 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 HF/aug-cc-pVTZ
ABC
0.26631 0.13394 0.09757

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.392 -2.157 0.000
C2 0.029 -1.090 0.000
C3 -0.436 0.311 0.000
C4 0.029 1.023 1.273
C5 0.029 1.023 -1.273
H6 -1.518 0.267 0.000
H7 -0.358 2.034 1.285
H8 -0.322 0.511 2.159
H9 1.110 1.070 1.314
H10 -0.358 2.034 -1.285
H11 -0.322 0.511 -2.159
H12 1.110 1.070 -1.314

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.12752.60323.44483.44483.08594.44753.50533.55824.44753.50533.5582
C21.12751.47572.46672.46672.05763.39982.71002.74973.39982.71002.7497
C32.60321.47571.53111.53111.08352.15092.17082.16642.15092.17082.1664
C43.44482.46671.53112.54642.14201.08261.08171.08272.77803.48762.8046
C53.44482.46671.53112.54642.14202.77803.48762.80461.08261.08171.0827
H63.08592.05761.08352.14202.14202.47412.47993.04662.47412.47993.0466
H74.44753.39982.15091.08262.77802.47411.75631.75652.57033.76583.1372
H83.50532.71002.17081.08173.48762.47991.75631.75433.76584.31723.7982
H93.55822.74972.16641.08272.80463.04661.75651.75433.13723.79822.6287
H104.44753.39982.15092.77801.08262.47412.57033.76583.13721.75631.7565
H113.50532.71002.17083.48761.08172.47993.76584.31723.79821.75631.7543
H123.55822.74972.16642.80461.08273.04663.13723.79822.62871.75651.7543

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 179.615 C2 C3 C4 110.227
C2 C3 C5 110.227 C2 C3 H6 106.012
C3 C4 H7 109.559 C3 C4 H8 111.204
C3 C4 H9 110.795 C3 C5 H10 109.559
C3 C5 H11 111.204 C3 C5 H12 110.795
C4 C3 C5 112.519 C4 C3 H6 108.813
C5 C3 H6 108.813 H7 C4 H8 108.484
H7 C4 H9 108.427 H8 C4 H9 108.295
H10 C5 H11 108.484 H10 C5 H12 108.427
H11 C5 H12 108.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.664      
2 C 0.256      
3 C 0.284      
4 C -0.967      
5 C -0.967      
6 H 0.291      
7 H 0.287      
8 H 0.295      
9 H 0.302      
10 H 0.287      
11 H 0.295      
12 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.245 4.186 0.000 4.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.844 1.846 0.000
y 1.846 -40.277 0.000
z 0.000 0.000 -30.382
Traceless
 xyz
x 4.485 1.846 0.000
y 1.846 -9.664 0.000
z 0.000 0.000 5.179
Polar
3z2-r210.357
x2-y29.433
xy1.846
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.427 -0.464 0.000
y -0.464 8.695 0.000
z 0.000 0.000 7.178


<r2> (average value of r2) Å2
<r2> 128.122
(<r2>)1/2 11.319