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All results from a given calculation for C5H9N (Propanenitrile, 2,2-dimethyl-)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-248.229720
Energy at 298.15K-248.239442
HF Energy-247.648100
Nuclear repulsion energy225.124438
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 MP2/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3163 3019 38.90      
2 A1 3082 2942 8.03      
3 A1 2127 2030 2.96      
4 A1 1612 1538 14.86      
5 A1 1507 1439 3.18      
6 A1 1322 1261 11.90      
7 A1 890 850 0.65      
8 A1 679 648 1.03      
9 A1 389 372 0.94      
10 A2 3162 3018 0.00      
11 A2 1579 1507 0.00      
12 A2 1033 986 0.00      
13 A2 258 246 0.00      
14 E 3166 3022 24.04      
14 E 3166 3022 24.04      
15 E 3157 3013 3.10      
15 E 3157 3013 3.10      
16 E 3079 2939 12.64      
16 E 3079 2939 12.64      
17 E 1599 1526 8.00      
17 E 1599 1526 8.00      
18 E 1586 1514 0.59      
18 E 1586 1514 0.59      
19 E 1480 1412 8.25      
19 E 1480 1412 8.25      
20 E 1276 1218 6.22      
20 E 1276 1218 6.22      
21 E 1113 1063 0.30      
21 E 1113 1063 0.30      
22 E 963 919 0.81      
22 E 963 919 0.81      
23 E 609 581 0.35      
23 E 609 581 0.35      
24 E 373 356 0.04      
24 E 373 356 0.04      
25 E 298 284 0.12      
25 E 298 284 0.12      
26 E 208 198 2.23      
26 E 208 198 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 29306.2 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 27972.8 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 MP2/3-21G
ABC
0.14924 0.08962 0.08962

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.275
C2 0.000 0.000 1.204
C3 0.000 1.468 -0.784
C4 1.271 -0.734 -0.784
C5 -1.271 -0.734 -0.784
N6 0.000 0.000 2.393
H7 0.000 1.464 -1.880
H8 1.268 -0.732 -1.880
H9 -1.268 -0.732 -1.880
H10 -0.892 1.995 -0.429
H11 0.892 1.995 -0.429
H12 2.174 -0.225 -0.429
H13 1.282 -1.770 -0.429
H14 -1.282 -1.770 -0.429
H15 -2.174 -0.225 -0.429

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.47911.55371.55371.55372.66872.17182.17182.17182.19102.19102.19102.19102.19102.1910
C21.47912.47092.47092.47091.18963.41333.41333.41332.72812.72812.72812.72812.72812.7281
C31.55372.47092.54292.54293.49991.09612.76552.76551.09511.09512.77843.50083.50082.7784
C41.55372.47092.54292.54293.49992.76551.09612.76553.50082.77841.09511.09512.77843.5008
C51.55372.47092.54292.54293.49992.76552.76551.09612.77843.50083.50082.77841.09511.0951
N62.66871.18963.49993.49993.49994.51694.51694.51693.56973.56973.56973.56973.56973.5697
H72.17183.41331.09612.76552.76554.51692.53522.53521.78411.78413.11193.76913.76913.1119
H82.17183.41332.76551.09612.76554.51692.53522.53523.76913.11191.78411.78413.11193.7691
H92.17183.41332.76552.76551.09614.51692.53522.53523.11193.76913.76913.11191.78411.7841
H102.19102.72811.09513.50082.77843.56971.78413.76913.11191.78383.78564.34803.78562.5642
H112.19102.72811.09512.77843.50083.56971.78413.11193.76911.78382.56423.78564.34803.7856
H122.19102.72812.77841.09513.50083.56973.11191.78413.76913.78562.56421.78383.78564.3480
H132.19102.72813.50081.09512.77843.56973.76911.78413.11194.34803.78561.78382.56423.7856
H142.19102.72813.50082.77841.09513.56973.76913.11191.78413.78564.34803.78562.56421.7838
H152.19102.72812.77843.50081.09513.56973.11193.76911.78412.56423.78564.34803.78561.7838

picture of Propanenitrile, 2,2-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 180.000 C1 C3 H7 108.868
C1 C3 H10 110.420 C1 C3 H11 110.420
C1 C4 H8 108.868 C1 C4 H12 110.420
C1 C4 H13 110.420 C1 C5 H9 108.868
C1 C5 H14 110.420 C1 C5 H15 110.420
C2 C1 C3 109.101 C2 C1 C4 109.101
C2 C1 C5 109.101 C3 C1 C4 109.839
C3 C1 C5 109.839 C4 C1 C5 109.839
H7 C3 H10 109.021 H7 C3 H11 109.021
H8 C4 H12 109.021 H8 C4 H13 109.021
H9 C5 H14 109.021 H9 C5 H15 109.021
H10 C3 H11 109.060 H12 C4 H13 109.060
H14 C5 H15 109.060
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.287     0.322
2 C 0.365     0.352
3 C -0.469     -0.480
4 C -0.469     -0.461
5 C -0.469     -0.489
6 N -0.423     -0.449
7 H 0.189     0.142
8 H 0.189     0.138
9 H 0.189     0.145
10 H 0.197     0.131
11 H 0.197     0.131
12 H 0.197     0.125
13 H 0.197     0.125
14 H 0.197     0.133
15 H 0.197     0.133


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.595 3.595
CHELPG        
AIM        
ESP 0.003 0.002 -3.612 3.612


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.516 0.000 0.000
y 0.000 -37.516 0.000
z 0.000 0.000 -47.688
Traceless
 xyz
x 5.086 0.000 0.000
y 0.000 5.086 0.000
z 0.000 0.000 -10.173
Polar
3z2-r2-20.345
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.693 0.000 0.000
y 0.000 6.693 0.000
z 0.000 0.000 8.532


<r2> (average value of r2) Å2
<r2> 171.568
(<r2>)1/2 13.098