return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3C(NH2)HCH2CH3 (2-Butanamine)

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 C1 1A
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-212.726510
Energy at 298.15K-212.739077
Nuclear repulsion energy196.209105
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 3505 3467 2.25      
2 A 3420 3383 0.26      
3 A 3051 3017 17.83      
4 A 3047 3014 16.13      
5 A 3035 3002 19.30      
6 A 3029 2996 27.78      
7 A 2995 2962 8.24      
8 A 2958 2926 20.56      
9 A 2956 2924 36.36      
10 A 2948 2916 8.67      
11 A 2814 2783 74.29      
12 A 1568 1551 49.22      
13 A 1432 1417 12.12      
14 A 1420 1404 2.13      
15 A 1416 1401 12.83      
16 A 1407 1392 6.46      
17 A 1391 1376 2.15      
18 A 1367 1352 7.86      
19 A 1332 1317 11.90      
20 A 1331 1316 28.24      
21 A 1315 1301 4.92      
22 A 1270 1256 0.06      
23 A 1241 1228 0.88      
24 A 1205 1192 0.84      
25 A 1175 1162 2.49      
26 A 1126 1113 6.71      
27 A 1070 1058 0.30      
28 A 1022 1011 3.14      
29 A 977 966 5.83      
30 A 943 933 2.32      
31 A 927 917 8.45      
32 A 811 802 15.82      
33 A 795 786 96.45      
34 A 742 734 14.38      
35 A 470 465 6.23      
36 A 451 446 7.56      
37 A 365 361 2.58      
38 A 292 288 24.87      
39 A 254 251 6.00      
40 A 226 223 4.90      
41 A 213 211 10.37      
42 A 117 116 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 31712.9 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 31367.2 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
0.26846 0.11831 0.09073

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.507 1.355 -0.227
H2 -0.305 1.896 0.077
H3 1.340 1.861 0.081
C4 1.765 -0.673 -0.019
H5 1.884 -0.693 -1.113
H6 2.636 -0.152 0.407
H7 1.773 -1.706 0.356
C8 0.481 0.023 0.333
H9 0.376 0.023 1.444
C10 -0.707 -0.724 -0.224
H11 -0.564 -0.811 -1.315
H12 -0.698 -1.747 0.187
C13 -2.020 -0.051 0.076
H14 -2.876 -0.643 -0.276
H15 -2.086 0.930 -0.419
H16 -2.149 0.105 1.160

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 C10 H11 H12 C13 H14 H15 H16
N11.02191.02182.39562.62212.68413.36351.44572.14052.40762.65083.35372.90823.92952.63533.2469
H21.02191.64553.30053.59293.59874.16752.04752.41592.66723.05533.66562.59493.63072.08662.7893
H31.02181.64552.57122.87112.41593.60372.04492.48303.31133.56614.14523.86644.91663.58594.0526
C42.39563.30052.57121.10101.10091.09931.50222.13432.48132.66952.69493.83734.64804.19074.1613
H52.62213.59292.87111.10101.78081.78882.13793.05392.73952.45933.07694.13134.83274.34444.6976
H62.68413.59872.41591.10091.78081.77892.16342.49303.45003.69393.70254.66915.57574.91464.8508
H73.36354.16753.60371.09931.78881.77892.15802.47482.72973.00952.47664.14764.81004.73714.3937
C81.44572.04752.04491.50222.13792.16342.15801.11591.50942.12232.13122.51543.47592.82492.7583
H92.14052.41592.48302.13433.05392.49302.47481.11592.12383.03172.42182.75953.73803.21772.5419
C102.40762.66723.31132.48132.73953.45002.72971.50942.12381.10421.10281.50542.17062.16182.1632
H112.65083.05533.56612.66952.45933.69393.00952.12233.03171.10421.77492.15242.53962.47963.0782
H123.35373.66564.14522.69493.07693.70252.47662.13122.42181.10281.77492.15322.48503.07562.5458
C132.90822.59493.86643.83734.13134.66914.14762.51542.75951.50542.15242.15321.09851.10101.1021
H143.92953.63074.91664.64804.83275.57574.81003.47593.73802.17062.53962.48501.09851.76581.7746
H152.63532.08663.58594.19074.34444.91464.73712.82493.21772.16182.47963.07561.10101.76581.7827
H163.24692.78934.05264.16134.69764.85084.39372.75832.54192.16323.07822.54581.10211.77461.7827

picture of 2-Butanamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C8 C4 108.701 N1 C8 H9 112.730
N1 C8 C10 109.102 H2 N1 H3 107.247
H2 N1 C8 110.984 H3 N1 C8 110.765
C4 C8 H9 108.320 C4 C8 C10 110.961
H5 C4 H6 107.955 H5 C4 H7 108.775
H5 C4 C8 109.464 H6 C4 H7 107.903
H6 C4 C8 111.492 H7 C4 C8 111.155
C8 C10 H11 107.576 C8 C10 H12 108.342
C8 C10 C13 113.100 H9 C8 C10 107.039
C10 C13 H14 111.994 C10 C13 H15 111.129
C10 C13 H16 111.173 H11 C10 H12 107.071
H11 C10 C13 110.192 H12 C10 C13 110.337
H14 C13 H15 106.801 H14 C13 H16 107.490
H15 C13 H16 108.034
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 -0.295      
2 H 0.134      
3 H 0.129      
4 C -0.345      
5 H 0.115      
6 H 0.106      
7 H 0.105      
8 C -0.042      
9 H 0.096      
10 C -0.181      
11 H 0.105      
12 H 0.103      
13 C -0.374      
14 H 0.122      
15 H 0.109      
16 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.004 0.250 1.074 1.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.569 0.545 0.853
y 0.545 -32.729 1.718
z 0.853 1.718 -36.177
Traceless
 xyz
x 0.884 0.545 0.853
y 0.545 2.144 1.718
z 0.853 1.718 -3.027
Polar
3z2-r2-6.055
x2-y2-0.840
xy0.545
xz0.853
yz1.718


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.275 -0.057 -0.008
y -0.057 9.074 0.026
z -0.008 0.026 8.174


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000