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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-211.135737
Energy at 298.15K-211.143012
HF Energy-210.909517
Nuclear repulsion energy158.621948
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 B2PLYP/6-31G*
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' 3177 3016 21.91      
2 A' 3172 3010 36.53      
3 A' 3092 2935 15.66      
4 A' 3081 2925 5.38      
5 A' 2298 2181 1.80      
6 A' 1559 1480 9.37      
7 A' 1550 1472 7.15      
8 A' 1469 1394 2.37      
9 A' 1385 1315 6.78      
10 A' 1223 1161 2.62      
11 A' 1153 1095 4.98      
12 A' 948 900 0.59      
13 A' 782 743 0.73      
14 A' 554 525 1.19      
15 A' 358 340 0.21      
16 A' 291 277 0.81      
17 A' 223 211 2.33      
18 A" 3176 3015 13.64      
19 A" 3167 3006 0.51      
20 A" 3090 2933 15.58      
21 A" 1539 1461 3.19      
22 A" 1537 1459 0.47      
23 A" 1447 1374 2.84      
24 A" 1361 1292 0.60      
25 A" 1155 1096 2.00      
26 A" 995 944 0.19      
27 A" 961 913 1.97      
28 A" 569 540 0.04      
29 A" 236 224 0.01      
30 A" 187 177 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 22867.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 21705.8 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 B2PLYP/6-31G*
ABC
0.26467 0.13107 0.09602

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.407 -2.189 0.000
C2 0.026 -1.084 0.000
C3 -0.441 0.312 0.000
C4 0.026 1.032 1.275
C5 0.026 1.032 -1.275
H6 -1.537 0.276 0.000
H7 -0.365 2.053 1.284
H8 -0.325 0.518 2.172
H9 1.118 1.080 1.311
H10 -0.365 2.053 -1.284
H11 -0.325 0.518 -2.172
H12 1.118 1.080 -1.311

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16822.64063.48483.48483.13924.49843.54703.59324.49843.54703.5932
C21.16821.47242.47062.47062.07243.41222.72212.75593.41222.72212.7559
C32.64061.47241.53701.53701.09662.16452.18522.17692.16452.18522.1769
C43.48482.47061.53702.55002.15431.09331.09221.09302.78283.50322.8075
C53.48482.47061.53702.55002.15432.78283.50322.80751.09331.09221.0930
H63.13922.07241.09662.15432.15432.48592.49943.06802.48592.49943.0680
H74.49843.41222.16451.09332.78282.48591.77391.77322.56803.78213.1430
H83.54702.72212.18521.09223.50322.49941.77391.77163.78214.34483.8122
H93.59322.75592.17691.09302.80753.06801.77321.77163.14303.81222.6224
H104.49843.41222.16452.78281.09332.48592.56803.78213.14301.77391.7732
H113.54702.72212.18523.50321.09222.49943.78214.34483.81221.77391.7716
H123.59322.75592.17692.80751.09303.06803.14303.81222.62241.77321.7716

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 179.501 C2 C3 C4 110.344
C2 C3 C5 110.344 C2 C3 H6 106.634
C3 C4 H7 109.601 C3 C4 H8 111.308
C3 C4 H9 110.596 C3 C5 H10 109.601
C3 C5 H11 111.308 C3 C5 H12 110.596
C4 C3 C5 112.105 C4 C3 H6 108.615
C5 C3 H6 108.615 H7 C4 H8 108.522
H7 C4 H9 108.396 H8 C4 H9 108.342
H10 C5 H11 108.522 H10 C5 H12 108.396
H11 C5 H12 108.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.433      
2 C 0.311      
3 C -0.184      
4 C -0.456      
5 C -0.456      
6 H 0.193      
7 H 0.164      
8 H 0.176      
9 H 0.172      
10 H 0.164      
11 H 0.176      
12 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.115 3.747 0.000 3.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.451 1.757 0.000
y 1.757 -39.061 0.000
z 0.000 0.000 -29.976
Traceless
 xyz
x 4.067 1.757 0.000
y 1.757 -8.847 0.000
z 0.000 0.000 4.780
Polar
3z2-r29.560
x2-y28.609
xy1.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.476 -0.644 0.000
y -0.644 7.934 0.000
z 0.000 0.000 5.974


<r2> (average value of r2) Å2
<r2> 129.399
(<r2>)1/2 11.375