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 C2H6N2O2 (Dimethylnitroamine)

using model chemistry: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-339.672057
Energy at 298.15K-339.681083
HF Energy-339.672057
Nuclear repulsion energy259.675118
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 TPSSh/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 3198 3068 5.84      
2 A 3196 3066 2.70      
3 A 3145 3017 39.79      
4 A 3141 3013 0.12      
5 A 3050 2926 48.55      
6 A 3044 2920 24.47      
7 A 1641 1574 251.26      
8 A 1553 1490 32.74      
9 A 1534 1472 1.37      
10 A 1530 1468 8.32      
11 A 1515 1454 13.67      
12 A 1501 1440 30.33      
13 A 1458 1399 5.34      
14 A 1341 1287 268.78      
15 A 1317 1264 2.08      
16 A 1279 1227 2.06      
17 A 1163 1115 56.36      
18 A 1137 1091 3.04      
19 A 1059 1016 12.45      
20 A 999 958 67.14      
21 A 849 815 10.82      
22 A 767 736 17.85      
23 A 612 587 1.40      
24 A 608 583 9.42      
25 A 411 394 3.82      
26 A 352 338 2.17      
27 A 210 201 9.99      
28 A 146 140 0.41      
29 A 136 131 2.72      
30 A 117 112 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21004.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 20151.2 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 TPSSh/6-31G*
ABC
0.17329 0.13265 0.07800

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.353 -1.099 0.030
O2 -1.353 1.099 0.030
H3 1.168 -1.565 1.101
H4 2.287 -1.138 -0.226
H5 0.797 -2.049 -0.572
C6 1.238 -1.269 0.047
H7 1.167 1.565 1.102
H8 0.796 2.049 -0.572
H9 2.286 1.139 -0.226
C10 1.238 1.269 0.047
N11 -0.805 -0.000 -0.026
N12 0.560 0.000 -0.210

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.19872.77823.64912.42582.59693.82113.85914.28033.51051.22982.2198
O22.19873.82124.28033.85933.51052.77802.42533.64882.59661.22982.2198
H32.77823.82121.78821.78081.09753.13084.00023.21363.02502.75892.1305
H43.64914.28031.78821.78031.09143.21353.53572.27712.64023.30042.0680
H52.42583.85931.78081.78031.08934.00014.09793.53573.40402.65692.0940
C62.59693.51051.09751.09141.08933.02503.40402.64022.53812.40601.4615
H73.82112.77803.13083.21354.00013.02501.78091.78821.09752.75882.1305
H83.85912.42534.00023.53574.09793.40401.78091.78041.08942.65672.0940
H94.28033.64883.21362.27713.53572.64021.78821.78041.09143.30032.0679
C103.51052.59663.02502.64023.40402.53811.09751.08941.09142.40591.4614
N111.22981.22982.75893.30042.65692.40602.75882.65673.30032.40591.3774
N122.21982.21982.13052.06802.09401.46152.13052.09402.06791.46141.3774

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 126.734 O1 N11 N12 116.621
O2 N11 N12 116.617 H3 C6 H4 109.564
H3 C6 H5 109.045 H3 C6 N12 111.940
H4 C6 H5 109.452 H4 C6 N12 107.316
H5 C6 N12 109.488 C6 N12 C10 120.531
C6 N12 N11 115.859 H7 C10 H8 109.046
H7 C10 H9 109.565 H7 C10 N12 111.941
H8 C10 H9 109.453 H8 C10 N12 109.486
H9 C10 N12 107.314 C10 N12 N11 115.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.423      
2 O -0.423      
3 H 0.184      
4 H 0.180      
5 H 0.219      
6 C -0.341      
7 H 0.184      
8 H 0.219      
9 H 0.180      
10 C -0.341      
11 N 0.641      
12 N -0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.422 0.000 0.211 4.427
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.727 0.000 -0.067
y 0.000 7.524 0.000
z -0.067 0.000 4.434


<r2> (average value of r2) Å2
<r2> 149.278
(<r2>)1/2 12.218