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 NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-303.889831
Energy at 298.15K-303.899596
HF Energy-303.889831
Nuclear repulsion energy245.862408
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 BLYP/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 3491 3480 6.29      
2 A 3063 3054 9.65      
3 A 3007 2998 8.33      
4 A 2930 2921 4.60      
5 A 1685 1680 206.74      
6 A 1490 1485 16.20      
7 A 1460 1455 0.37      
8 A 1432 1428 4.94      
9 A 1406 1402 15.14      
10 A 1151 1147 1.18      
11 A 1127 1124 0.05      
12 A 1110 1106 6.77      
13 A 885 882 1.16      
14 A 505 503 46.66      
15 A 409 407 42.16      
16 A 217 216 3.39      
17 A 171 171 0.08      
18 A 73 73 0.13      
19 B 3485 3475 4.75      
20 B 3063 3054 2.40      
21 B 3007 2998 62.25      
22 B 2928 2920 145.24      
23 B 1505 1501 186.68      
24 B 1471 1467 12.15      
25 B 1447 1443 112.64      
26 B 1408 1404 13.73      
27 B 1205 1201 269.75      
28 B 1120 1116 50.09      
29 B 1107 1104 2.29      
30 B 989 986 1.17      
31 B 728 726 7.18      
32 B 703 701 21.58      
33 B 472 471 100.42      
34 B 312 311 42.62      
35 B 117 117 8.84      
36 B 76 75 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 25376.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 25300.5 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 BLYP/cc-pVTZ
ABC
0.32199 0.07063 0.05941

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.106
O2 0.000 0.000 1.338
N3 0.000 1.169 -0.657
N4 0.000 -1.169 -0.657
C5 -0.233 2.458 0.001
C6 0.233 -2.458 0.001
H7 -0.361 1.087 -1.602
H8 0.361 -1.087 -1.602
H9 0.126 3.263 -0.649
H10 -0.126 -3.263 -0.649
H11 0.328 2.476 0.938
H12 -0.328 -2.476 0.938
H13 -1.294 2.634 0.237
H14 1.294 -2.634 0.237

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.23191.39641.39642.47122.47122.05672.05673.35163.35162.63242.63242.93792.9379
O21.23192.31262.31262.80752.80753.15533.15533.82233.82232.52912.52913.13443.1344
N31.39642.31262.33851.46603.69391.01502.47262.09764.43412.08833.99252.14984.1161
N41.39642.31262.33853.69391.46602.47261.01504.43412.09763.99252.08834.11612.1498
C52.47122.80751.46603.69394.93802.11373.93591.09555.75881.09245.02271.10115.3216
C62.47122.80753.69391.46604.93803.93592.11375.75881.09555.02271.09245.32161.1011
H72.05673.15531.01502.47262.11373.93592.29092.42554.45942.97644.37582.57854.4691
H82.05673.15532.47261.01503.93592.11372.29094.45942.42554.37582.97644.46912.5785
H93.35163.82232.09764.43411.09555.75882.42554.45946.53101.78315.97151.78846.0768
H103.35163.82234.43412.09765.75881.09554.45942.42556.53105.97151.78316.07681.7884
H112.63242.52912.08833.99251.09245.02272.97644.37581.78315.97154.99471.77435.2475
H122.63242.52913.99252.08835.02271.09244.37582.97645.97151.78314.99475.24751.7743
H132.93793.13442.14984.11611.10115.32162.57854.46911.78846.07681.77435.24755.8700
H142.93793.13444.11612.14985.32161.10114.46912.57856.07681.78845.24751.77435.8700

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 119.370 C1 N3 H7 116.164
C1 N4 C6 119.370 C1 N4 H8 116.164
O2 C1 N3 123.138 O2 C1 N4 123.138
N3 C1 N4 113.724 N3 C5 H9 109.100
N3 C5 H11 108.540 N3 C5 H13 112.978
N4 C6 H10 109.100 N4 C6 H12 108.540
N4 C6 H14 112.978 C5 N3 H7 115.658
C6 N4 H8 115.658 H9 C5 H11 109.170
H9 C5 H13 109.016 H10 C6 H12 109.170
H10 C6 H14 109.016 H11 C5 H13 107.974
H12 C6 H14 107.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.277      
2 O -0.368      
3 N -0.168      
4 N -0.168      
5 C -0.177      
6 C -0.177      
7 H 0.111      
8 H 0.111      
9 H 0.083      
10 H 0.083      
11 H 0.116      
12 H 0.116      
13 H 0.079      
14 H 0.079      


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 -3.589 3.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.089 -1.620 0.000
y -1.620 -31.158 0.000
z 0.000 0.000 -37.808
Traceless
 xyz
x -3.606 -1.620 0.000
y -1.620 6.791 0.000
z 0.000 0.000 -3.184
Polar
3z2-r2-6.369
x2-y2-6.931
xy-1.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.374 -0.579 0.000
y -0.579 11.508 0.000
z 0.000 0.000 8.362


<r2> (average value of r2) Å2
<r2> 196.517
(<r2>)1/2 14.018