Energy | E (Hartree) | e2/a0(4pe0) | 4.3597482 | 10-18 | J |
27.2113961 | eV | ||||
219474.63068 | cm-1 | ||||
2 | Rydbergs | ||||
Length | a0 | (4pe0) (h/2p)2/mee2 | 5.291772527 | 10-11 | m |
Mass | me | 9.1093897 | 10-31 | kg | |
5.4857990 | 10-4 | a.m.u. | |||
Velocity | v0 | e2/(h/2p)(4pe0) | 2.1876926 | 106 | m sec-1 |
Time | t0 | a0/v0 | 2.418884326 | 10-17 | sec |
Polarizability | a0 | a03 | 1.481847466 | 10-31 | m3 |
van der Waals potentail | C6 | Eh a06 | 5.9752740 | 10-61 | eV m6 |
6.92005197 | mK nm6 | ||||
van der Waals potentail | C3 | Eh a03 | *.***** | 10-** | eV m3 |
4.679276443 | 104 | mK nm3 |
Speed of Light | c | 1/a | 137.03599976 | au |
c | = | 2.99792458 | 108 | m sec-1 | Speed of Light |
m0 | = | 1.2566370614... | 10-8 | H m-1 | magnetic constant |
e0 | = | 8.854187817... | 10-12 | F m-1 | electric constant |
G | = | 6.673(10) | 10-11 | N m2 kg-2 | gravitational constant |
h | = | 6.62606876(52) | 10-34 | J sec | Planck constant |
h/2p | = | 1.054571596(82) | 10-34 | J sec | |
e | = | 1.602176462(63) | 10-19 | C | electron charge |
mB | = | 9.27400899(37) | 10-24 | J T-1 | Bohr magneton |
me | = | 9.10938188(72) | 10-31 | kg | electron mass |
mp | = | 1.67262158(13) | 10-27 | kg | proton mass |
mn | = | 1.67492716(13) | 10-27 | kg | neutron mass |
g | = | 2.0023193043737(82) | -- | g-factor of electron | |
a0 | = | 0.5291772083(19) | 10-10 | m | Bohr constant |
R00 | = | 1.0973731568548(83) | 107 | m-1 | Rydberg constant |
a | = | 7.297352533(27) | 10-3 | -- | fine structure constant |
1/a | = | 137.03599976(50) | -- | -- | |
kB | = | 1.3806503(24) | 10-23 | J K-1 | Boltzmann constant |
mu | = | 1.66053873(13) | 10-27 | kg | Atomic Mass Constant |
NA | = | 6.02214199(47) | 1023 | mol-1 | Avogadro constant |
R | = | 8.314472(15) | J mol-1 K-1 | gas constant |
See also: "Rika-Nenpyo, 2002 edition, p. 434 (Japanese),
and/or CRC Handbook of Chemistry and Physics, 72nd edition, p. 1-18.
1 cal | = | 4.184 | J (def.) | calorie | |
1 erg | = | 1 | 10-7 | J (def.) | erg |
1 A | = | 1 | 10-10 | m (def.) | Angstrom |
Eh | eV | cm-1 | Hz | K | J | J/mol | |
---|---|---|---|---|---|---|---|
Eh | 1 | 2.7211396 101 | 2.1947463 105 | 6.5796839 1015 | 3.1577322 105 | 4.3597482 10-18 | 2.6255000 106 |
eV | 3.6749309 10-2 | 1 | 8.0655409 103 | 2.4179883 1014 | 1.1604448 104 | 1.6021773 10-19 | 9.6485309 104 |
cm-1 | 4.5563353 10-6 | 1.2398424 10-4 | 1 | 2.9979246 1010 | 1.4387687 | 1.9864475 10-23 | 1.1962658 101 |
Hz | 1.5198299 10-16 | 4.1356692 10-15 | 3.3356410 10-11 | 1 | 4.7992157 10-11 | 6.6260755 10-34 | 3.9903132 10-10 |
K | 3.1668297 10-6 | 8.6173857 10-5 | 6.9503877 10-1 | 2.0836738 1010 | 1 | 1.3806580 10-23 | 8.3145112 |
J | 2.2937104 1017 | 6.2415064 1018 | 5.0341125 1022 | 1.5091890 1033 | 7.2429233 1022 | 1 | 6.0221367 1023 |
J/mol | 3.8087983 10-7 | 1.0364272 10-5 | 8.3593461 10-2 | 2.5060689 109 | 1.2027165 10-1 | 1.6605402 10-24 | 1 |
1 mK | = | 20.836738 | MHz | |
1 cm-1 | = | 29.979246 | GHz | |
1 eV | = | 11604.448 | K |
Eh | eV | cm-1 | Hz | K | J | J/mol | |
---|---|---|---|---|---|---|---|
Eh | 1 | 2R00hc/e | 2R00/100 | 2R00c | 2R00hc/k | 2R00hc | 2R00hcN |
eV | e/(2R00hc) | 1 | e/(100hc) | e/h | e/k | e | eN |
cm-1 | 100(2R00) | 100hc/e | 1 | 100c | 100hc/k | 100hc | 100hcN |
Hz | 1/(2R00c) | h/e | 1/(100c) | 1 | h/k | h | hN |
K | k/(2R00hc) | k/e | k/(100hc) | k/h | 1 | k | kN |
J | 1/(2R00hc) | 1/e | 1/(100hc) | 1/h | 1/k | 1 | N |
J/mol | 1/(2R00hcN) | 1/eN | 1/(100hcN) | 1/(hN) | 1/(kN) | 1/N | 1 |
1H | 1.007825 |
2D | 2.0140 |
4He | 4.0026 |
12C | 12 |
14N | 14.00307 |
16O | 15.99491462 |
19F | 18.9984 |
23Na | 22.989768 |
32S | 31.97207 |
35Cl | 34.96885 |
40Ar | 39.962383124 |
40Ca | 40.08 |
85Rb | 85.4678 |
133Cs | 132.90545 |
174Yb | 173.04 |
amount | prefix | symbol |
10-24 |
yocto |
y |
10-21 |
zepto |
z |
10-18 |
atto |
a |
10-15 |
femto |
f |
10-12 |
pico |
p |
10-9 |
nano |
n |
10-6 |
micro |
m |
10-3 |
milli |
m |
10-2 |
centi |
c |
10-1 |
deci |
d |
101 |
deca |
da |
102 |
hecto |
h |
103 |
kilo |
k |
106 |
mega |
M |
109 |
giga |
G |
1012 |
tera |
T |
1015 |
peta |
P |
1018 |
exa |
E |
1021 |
zetta |
Z |
1024 |
yotta |
Y |