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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-301.844211
Energy at 298.15K-301.854244
HF Energy-301.844211
Nuclear repulsion energy245.528487
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 PBEPBE/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 A 3489 3327 8.25      
2 A 3068 2925 0.36      
3 A 3004 2865 0.00      
4 A 2955 2818 0.72      
5 A 1682 1604 101.59      
6 A 1540 1469 32.93      
7 A 1526 1455 0.00      
8 A 1465 1397 6.70      
9 A 1409 1344 60.24      
10 A 1158 1104 0.57      
11 A 1149 1095 11.28      
12 A 1128 1076 0.00      
13 A 898 856 4.53      
14 A 497 474 1.33      
15 A 276 263 0.00      
16 A 236 225 0.62      
17 A 175 167 0.00      
18 A 148 141 0.00      
19 B 3481 3319 5.15      
20 B 3066 2924 0.22      
21 B 3005 2865 97.07      
22 B 2953 2816 173.66      
23 B 1556 1483 83.57      
24 B 1527 1456 17.33      
25 B 1485 1416 292.66      
26 B 1419 1353 0.05      
27 B 1218 1162 269.63      
28 B 1137 1084 0.53      
29 B 1126 1074 95.88      
30 B 1028 980 1.82      
31 B 738 704 19.63      
32 B 686 654 13.25      
33 B 499 476 290.44      
34 B 368 351 40.40      
35 B 185 176 0.93      
36 B 118 113 14.75      

Unscaled Zero Point Vibrational Energy (zpe) 25699.4 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 24504.4 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 PBEPBE/3-21G*
ABC
0.31755 0.07109 0.05942

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.084
O2 0.000 0.000 1.342
N3 0.000 1.169 -0.670
N4 0.000 -1.169 -0.670
C5 0.001 2.462 0.018
C6 -0.001 -2.462 0.018
H7 0.001 1.142 -1.691
H8 -0.001 -1.142 -1.691
H9 0.902 3.058 -0.220
H10 -0.902 -3.058 -0.220
H11 0.001 2.211 1.092
H12 -0.001 -2.211 1.092
H13 -0.900 3.058 -0.220
H14 0.900 -3.058 -0.220

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.25891.39071.39072.46262.46262.11022.11023.20213.20212.43052.43053.20243.2024
O21.25892.32742.32742.79532.79533.24133.24133.54993.54992.22562.22563.55013.5501
N31.39072.32742.33731.46503.69511.02122.52582.14114.34472.04783.81192.14104.3452
N41.39072.32742.33733.69511.46502.52581.02124.34472.14113.81192.04784.34522.1410
C52.46262.79531.46503.69514.92352.15983.98831.10615.59761.10264.79501.10615.5979
C62.46262.79533.69511.46504.92353.98832.15985.59761.10614.79501.10265.59791.1061
H72.11023.24131.02122.52582.15983.98832.28322.57834.54022.98184.35772.57904.5402
H82.11023.24132.52581.02123.98832.15982.28324.54022.57834.35772.98184.54022.5790
H93.20213.54992.14114.34471.10615.59762.57834.54026.37551.80245.50421.80166.1159
H103.20213.54994.34472.14115.59761.10614.54022.57836.37555.50421.80246.11591.8016
H112.43052.22562.04783.81191.10264.79502.98184.35771.80245.50424.42281.80235.5045
H122.43052.22563.81192.04784.79501.10264.35772.98185.50421.80244.42285.50451.8023
H133.20243.55012.14104.34521.10615.59792.57904.54021.80166.11591.80235.50456.3760
H143.20243.55014.34522.14105.59791.10614.54022.57906.11591.80165.50451.80236.3760

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 119.142 C1 N3 H7 121.309
C1 N4 C6 119.142 C1 N4 H8 121.309
O2 C1 N3 122.825 O2 C1 N4 122.825
N3 C1 N4 114.350 N3 C5 H9 112.010
N3 C5 H11 104.911 N3 C5 H13 112.007
N4 C6 H10 112.010 N4 C6 H12 104.911
N4 C6 H14 112.007 C5 N3 H7 119.549
C6 N4 H8 119.549 H9 C5 H11 109.376
H9 C5 H13 109.056 H10 C6 H12 109.376
H10 C6 H14 109.056 H11 C5 H13 109.373
H12 C6 H14 109.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.843      
2 O -0.501      
3 N -0.683      
4 N -0.683      
5 C -0.439      
6 C -0.439      
7 H 0.296      
8 H 0.296      
9 H 0.202      
10 H 0.202      
11 H 0.251      
12 H 0.251      
13 H 0.202      
14 H 0.202      


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 -3.793 3.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.885 0.007 0.000
y 0.007 -30.396 0.000
z 0.000 0.000 -35.279
Traceless
 xyz
x -5.047 0.007 0.000
y 0.007 6.186 0.000
z 0.000 0.000 -1.139
Polar
3z2-r2-2.278
x2-y2-7.489
xy0.007
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.189 0.001 0.000
y 0.001 10.073 0.000
z 0.000 0.000 6.574


<r2> (average value of r2) Å2
<r2> 195.492
(<r2>)1/2 13.982